Wednesday, November 9, 2011

World Seed Supply's Cheap and Simple Lighting Options for Indoor Plants

People ask us all the time about lighting for their indoor plants.  The following information will just offer three lighting solutions for indoor plants that most people should have access to and be able to afford.

While most serious plant setups use high pressure sodium (HPS) or metal halide bulbs (MH), most plants can be supported just fine under fluorescent lighting.  What's even better is that fluorescent bulbs can be bought cheaply and are inexpensive to run.  The most accessible and efficient form of fluorescent lighting is the CFL or compact fluorescent light bulb.  You can find these bulbs anywhere that sells light bulbs from grocery store to pharmacies to hardware stores. We've seen them as cheaply as one dollar.  And while HPS and MH bulbs require special ballasts, compact fluorescent light bulbs can fit in any standard lamp fixture as they are.  You can use these bulbs either by themselves or to supplement window light for plants.

One of the best ways to make the light accessible to your plants is to use desk lamps with bendable necks. This will allow you to adjust the lamp to fit the growth of the plants or to point the light at a particular area.  CFL lights work well for starting cactus and plant seedlings as well as for maintaining mature plants.  The following example is one simple setup using CFL light bulbs in a floor lamp / desk lamp combo.



Another source of fluorescent light is the fluorescent tube.  These are the typical lights you will find in office buildings and other public places, and they are used because they are inexpensive to run.  This setup will be a little more expensive, but it can support more plants than a CFL and will offer them much more light for good growth.  Whereas the CFL system is more for sustaining plants, the tube setup can be used for actively growing plants and seedlings.  The tubes require a special fixture which typically fits 4ft. fluorescent tubes.  Most fixtures will hold 2 or 4 of these bulbs.  

The tubes also range in thickness (from .25" to 1.5").  Thickness is based on a "T" scale from T2-T12. The T stands for tubular, and the number represents eighths of an inch.  The different bulbs have different advantages.  The T8 is the typical bulb with 8/8" or 1" diameter and will suffice for most vegetative growing situations.  So all the fancy numbers aside, a four-foot long, one-inch thick bulb will work for your basic setup.

Aside from bulb length and thickness, you must also select from light color appearance. This is based on the color spectrum of the light that is produced.  Color appearances include warm, neutral, cool white, natural light and daylight.  It should be noted that warm is just the color of the light. Warm bulbs actually run the coolest with the daylight bulbs outputting the most heat.  Many growers use the cool white bulbs for their plants, although the daylight bulbs are even better if you can find one.  

The advantage of using this system is that the fixture can be hung above the plants by chain or rope and raised as the plants grow.  This allows you to maintain the same light intensity as your plants grow without the plants touching the bulbs.  Fluorescent lights do run very cool compared to other types of light, but they can still burn leaves if the bulbs are touching them.  

The hanging system is typically employed inside a growing chamber or in places where there is something to hang the light fixture from.  But small mini chambers can be set up anywhere using plastic storage containers.  In this case, the cool output of the fluorescent light allows the bulbs to be rested on the edge of the storage bins.  As a precaution, the setup can include small pieces of wood to rest the bulb on so that it is not actually touching the plastic.  But the setup is really as simple as placing a tube fixture (two or four tubes) across the top of a large storage bin with two pieces of wood (if you choose) between the edge of the bin and the bulbs.  If you choose to skip the wood just do some tests to make sure the heat of your bulb is compatible with the plastic in your setup.  This particular example does not use the wood, and there is no damage to the plastic.  For maximum efficiency, the inside of the bin should be lined with aluminum foil (dull side out) or mylar.  But this picture shows just the minimal version of this setup.  It should also be noted that the cover of the bin is typically laid over the top of the fixture to keep light from escaping.  The overhanging areas of the bulb are also being utilized to grow cactus seedlings and root pereskiopsis cuttings.  Use the biggest bins you can find to minimize overhang.



The last setup we would like to share actually involves a specific bulb we were fortunate to come across.  It is made by General Electric and is called the Reveal 100.  This 100 watt bulb outputs 1275 lumens and is a full-spectrum bulb.  The full spectrum is what is important.  We usually buy them at Home Depot for under $5, and they are warrantied for 2 years. This bulb is enough to support a large number of plants.  We've fitted ours into a standard closet light fixture to support shelved plants.  

The only drawback about this type of bulb is that is has a very high heat output.  But it is also valuable in creating an environment for tropical and desert plants. The high output means that only very heat tolerant plants such as certain cacti can be placed close to the bulb on the top shelf.  (The small pot on top contains a small astrophytum myriostigma.)  We've even laid a screen across the top shelf for shading.  But this setup will still support plants up to five or six feet away.  Accordingly, we have plants on three lower levels of shelving, spaced 18" apart.  You only see the top two levels in the photo.  You can see some kratom plants and some Blue Agave being grown happily in this setup.  Much of the growth for the kratom, which enjoys a lot of light, occurs outside of the shelving area in the open light.  But the screen on top allows for plants that require a bit more shade to be grown underneath the shelving area.  The different levels also allow you to work with different levels of light intensity depending on what you're trying to grow.  We've also setup an upside down tub on the floor of the closet to fit additional plants.  While the other setups we mentioned involve moving the light to change intensity, this system, with a fixed light, requires you to shift the plants to access different light intensities.  Again, this setup would be most efficient if the walls were lined with aluminum foil (dull side out) or mylar.  But do what we say, not what we do : ) 



If you do not have a free closet to designate to your plants, you can still keep the Reveal 100 full spectrum in mind as a lighting option.  Feel free to adapt ideas from the section on CFL lights.  You can position your bulb using a desk lamp or other type of clip lamp.  This type of bulb will support more plants than your CFL in a similar setup.  But also keep in mind that it will produce more heat. Consider what it means for what plants will do best and what might become a fire hazard in your surrounding area.  Whereas the closet fixture is already set away from anything else, you want to be sure when using a desk or clip lamp that you do not let the bulb touch anything that could potentially ignite.

At this point, we hope that you have at least one lighting option that fits your budget, your growing space and your plant collection.  Keep in mind that these are just the basic setups for people looking to support their plants indoors.  The more you are dedicated, the more you can tweak these ideas to maximize your conditions.  This includes setting up light cycles, ventilation, humidification, carbon dioxide treatment and more.  But we'll save these topics for future guides.

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Wednesday, May 25, 2011

Unpacking Plants and Preparing them for Growth After Shipping.

Shipping can be a time of depravation and trauma for a plant in many senses. And above that, we really do not know what kind of environment the plant was used to before it came to us. Your environment may be better or worse, but that still does not negate the need for some tender loving care. Some plants are hardier than others and will bounce back from even the most stressful situations. But in getting a new plant, our goal should be to gradually adjust the plant to its new home. That takes place in both the unpacking and in the adjustment processes.


You may or may not realize it, but even a package that has “Fragile” written all over it is subject to being stacked and bounced in the most aggressive ways. The sad reality is that when people have a job to do, they are more focused on getting the job done quickly than getting it done in a way that might be most beneficial to the customer. And if the package is uninsured, most workers really see no special obligation to “handle with care” if it means that doing so will make their job any more difficult. At the end of the day there is not all that much accountability from couriers, and so shippers may go through what seems like ludicrous lengths to make sure the plant does not move inside the box. It is your job to take that effort to the next level by carefully unpacking your plant.


When sending a plant, the shipper’s goal is usually to minimize movement of any part of the plant, including the leaves. That may mean folding the leaves in a particular position that may ordinarily be awkward, but in a way that will keep them from moving around and potentially breaking during shipping. Leaves may be folded up to keep them protected, but they will usually go back to normal once the plant is back at ease To minimize movement, shippers will often use all sorts of taping and packing that will keep the plant in place. The best bet when unwrapping your plant is to cut away the tape rather than tear it. Always cut away the secure environment that the shipper has provided so that the plant will be able to handle the unpacking process. Tearing or ripping can cause sudden unwanted movements that can lead to the snapping of a branch or leaf. Losing a branch or leaf may not doom a plant, but if it can be helped, why not allow as much of the plant to remain in tact as possible. Sometimes the tape will have attached itself to a part of the plant, so it is vital to be alert for these situations and to have gentle hands.


Most plants will come in what is called a humidity tent or humidity dome. This is most often just a clear plastic bag that has been placed over the top of the plant to keep it from drying out. While this may limit airflow, plants can usually last quite a while in their humidity tents without breathing. In fact, we have seen plants last months in humidity tent as long s the soil didn’t dry out too much. It is more vital to the plant’s survival that it remains hydrated. After a period of a few days, the air in the tent may be minimal (especially if it is pressed tightly in a box), and there may be a tendency for the plant to cling to the bag. This is normal and acceptable. It is usually a good idea to have a new humidity tent on hand to replace the one that the plant came in. Food Storage bags or the bags that you get produce in from the supermarket are good choices for humidity tents. Often you will have to cut away some of the bottom to free the plant if it is taped to the container. If the original humidity tent is salvageable, then it can be reused. Many growers make the mistake of taking the plant right from this point and putting it into what they read or know to be ideal conditions for the plant. This will often stress the plant and cause wilting, which in some cases can prove fatal. As long as there is no rotting material in the bag, you have to assume that the plant has been used to high humidity for at least the past few days, and a sudden drop could cause the plant to lose moisture from it leaves suddenly.


Preferably, you want to remove any material that may be dead or dried out. These are havens for mold. Next, you want to restructure the humidity tent over the plant so that it has a new supply of air. Prior to now, the plant has been in a box with no light. Even though your eyes might enjoy a certain level of light, if you had been in a dark closet for three days, your eyes would experience strain if placed back into reality. Therefore, you do not want to rush to get the plant into a full sun condition simply because that is what it normally prefers according to grow guides. Start your plant out in ambient room lighting for about a day or so. You can gradually increase the light intensity to the plant’s desired light preference. The same is true for the humidity. Most people do not have humidity gauges in their homes, and even so you do not know exactly what the plant’s experience with humidity was like in the past. Just as you gradually increase the plant’s light exposure, slowly remove it from the humidity tent. This can be accomplished usually by first undoing any type of securing agent, such as a rubber band, from the plant after a few hours. If at any point you see the plant begin to wilt, go back to securing the humidity dome. You can go on to remove the humidity tent from the plant entirely when it shows that it is ready. In many cases, you will be able to do this fairly suddenly. However, some plants will require a more gradual adjustment. You will be able to read your plant’s needs based on how the leaves act. Drooping leaves are indicators of low moisture content. Throughout all of this, you may wish to water the plant if the soil is dry. But if the soil is already moist, your best bet is to control moisture through humidity. Adding too much moisture to the soil is not always a solution. It can cause root rot and molds to form, particularly when airflow is not high.


Another common mistake new plant owners make is repotting too quickly. While most plants are kept in small containers to minimize shipping cost, they could use a repot when they arrive at their new home. But it is important to realize that repotting itself can be stressful to the plant and must be done in a timely manner. You do not want to disrupt the root system and cause additional trauma until the plant has shown that it is stable on its own. Once the plant has fully adjusted to its environment, only then should you repot your plant into a container that will allow it to flourish. Use the type of soil and pot that is recommended for your species. Plants are often kept rootbound to maintain size for shipping, but a good repotting session will do wonders for getting your plants to put on quick growth. With that said, you should allow extra adjustment for plants to be placed outside. Outdoor light, even in a shady location, is often many times stronger than bright light indoors. And just like you can get an early season sunburn from being inside all winter, your plants can go from vibrant to morbid in a matter of hours. So, it is important to provide plants that are going outdoors with extra water and to shade them from the sun, even if they truly prefer full sun. This can be done by starting them in shady locations and gradually moving them to those with more light. You can also use objects such as lawn furniture as shading devices to block the sun in the more intense parts of the day. Or if you prefer to go the natural way, surround your vulnerable plants with taller plants that are already accustomed to the sun’s ferocity.


Usually when you buy a plant, it is a special experience. You are in charge of another life, even if you may not view it that way. You may have invested a good deal of money or better yet, you may have been fortunate enough to add a rare specimen to your collection. So while it may seem like a lot of extra effort, you have a duty to do what you can to safely transplant that new life from one area of the globe to another; and that applies even if you are simply moving your own plant from inside your house to the outdoors.

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Tuesday, February 8, 2011

How to Germinate Lotus Flower (Nelumbo Nucifera) Seeds

Lotus (nelumbo nucifera) is one of the most iconic flowers in history, and its presence can really improve the look of ponds and fountains on your property.  But lotus seeds have an extremely thick seed coat that will keep water out unless you give it some help.  The act of wearing down the seed coat to facilitate germination is called scarification.  In the case of the lotus seed, the scarification must be rather intense.  This impermeable barrier allows the lotus seed to remain viable for years, but it means a little extra work for the grower. This guide will show you just what to do and how far to scarify your seeds to give them the best chance of success.




While you can scarify many seeds on sandpaper and with other abrasive materials, it is best to use a metal file to scarify lotus flowers seeds due to the especially hard coat.  Even with a file, scarification can take a little bit of elbow grease.  We recommend scarification on the side of the seed.  It is best to place the file on a table and press the seed into the file as you rub it back and forth so you can have gravity work with you.  By trying to hold the file and the seed, it will take a lot more effort. 





You will notice that the lotus seed has essentially three layers.  There is an outer shiny layer, which ends where you see the white ring on the seed in the photo.  Then there is another dark layer that comprises most of the seed coat and which will account for most of your effort when filing. There is then a yellowish layer inside the seed, which you will see once you file through the seed coat.  As you start to file, you will see a ring form.  You want to keep going until the inner part of that ring begins to turn a light tan color as you approach the yellow inside.  The seed in the picture has just broken through the seed coat and into the yellow layer.  We usually aim to stop right before this actually breaks through because it increases the chance that an infection can take hold. But if you keep the conditions clean, it will usually not affect the seed.  With that said, you do not want to file into the yellow layer if you can help it





Now that you have filed down the hard shell, water can penetrate into the embryo to begin germination.  Your next step is to toss the seeds directly into a glass or bowl or water.  Any amount of water that will fully cover the seeds is fine.  The seeds will start to swell initially. You will continue the soak until the seeds actually sprout.  This will usually take about a week, but it can sometimes take longer, especially if you did not scarify enough.  You will notice that the water can get cloudy pretty quickly. Therefore, you will want to be sure to change the water daily to reduce the risk of infection.




When the lotus seeds finally sprout, they will split open and a stem will pop out. The lotus is unique in the sense because most seeds will sprout with a taproot emerging first. In the case of the lotus, the foliage emerges first. This stem actually contains an immature leaf that will later develop. When the stem becomes about 2-3 inches it will form an angled bend, which will then straighten out. You can plant the seed at this point or choose to wait until roots form. The roots will form out of the base of the stem. It is best to sow the sprouts directly into your pond, but you can choose to sow in 8” pots and transplant later. In the case of a fountain or a manmade pond that does not have a soil bottom you can plant the seeds in large containers that you will submerge.


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Thursday, December 30, 2010

How to Send Seeds Safely Through the Mail Without Being Broken

Until you’ve had some crushed, you probably are not aware of how easily seeds can be crushed in the mail. While some seeds can be sent unpadded and arrive unscathed other seeds can be smashed even after two layers of bubble wrap or a bubble mailer. This guide is designed to offer you two ways to send seeds cheaply through the mail without them being damaged.

We did not create this first method, but it is excellent for sending seeds that are tiny while still meeting the thickness requirements for a first class envelope. This method will keep the package under 1/8", meaning it can be sent with a first class stamp. This method is quick and easy, but it requires Popsicle sticks, which you may not have on hand. For this method, we recommend using some type of card stock. But plain paper should work too. The scissors really aren't necessary unless you want to use them to cut the tape.

Supplies:
Scissors (perhaps?)
Cardstock or index card
Tape
2 or more Popsicle Sticks
Seeds


Supplies


 

Start out by cutting your card stock to size to fit your envelope. An index card should fit pretty well inside a normal 3 5/8" x 6 1/2" envelope.



Next, lay your Popsicle sticks on top with enough space between them to fit your seeds. 



 Now, tape over your sticks to hold them firmly in place.  Depending on how many seeds you have to send and the size of the packs, you can use more than two sticks. But two seems to be about right for most cases.



 Afterwards, your seeds go in between your sticks where they will be protected from rollers in the sorting facility and the general weight of other mail. Just use a piece of tape to hold them in place as you see above.  Here we are using Peruvian Torch cactus seeds, which have very little tolerance for abuse.



At this point, the seeds are ready to go into your envelope where they should fit nicely and flatly.



Just to test them, we've placed them beneath 36 lbs of weight.



And there they are...completely untouched.

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Now let's get to method two.  We at World Seed Supply used this method for a number of years to send seeds for some of our Ebay orders. Eventually, our order load became too great and we found a reasonable source for bubble mailers.  But this method is still great for the average person.  When we first started shipping seeds, there weren't the same requirements for thickness from USPS.  We were able to bulk the package up as much as we needed. But when the rules changed we had to find something that would stay under 1/8" but still protect the seeds.  We assumed that since bubble mailers offer two layers of protection, that would suffice here.  But we eventually came to learn that three layers of bubble wrap are really what is needed. And they can still pass for the 1/8" thickness requirement, allowing them to be sent as an "envelope with a rigid object."  Seeds that need delivery confirmation cannot be packed using this method since a package must be over 1/4" to add that service. This rule is intended to keep senders from adding delivery confirmation to letters and any other piece of mail.  Without being able to add delivery confirmation, this method is best for inexpensive seeds, sending seeds to someone you know and trust or sending internationally, since international tracking is generally too expensive anyway.  

Supplies:
Scissors (definitely for this one)
Tape
12"x12" sheet of bubble wrap
Envelope (3 5/8" x 6 1/2")
Seeds

Supplies



Start out with a single 12" x 12" sheet of bubble wrap. This picture shows a piece that is missing a little strip. The one in the first picture is a full sheet.  But it was from the inner part of a roll of some cheap bubble wrap where the bubbles where neraly deflated.  You want something with a little life in it. We will explain more on this later.  But as long as you have one full 12" side, it ill work. You can actually pack two envelopes with one 12"x12" sheet.



The first thing you want to do is fold your bubble wrap in half so that it becomes roughly 6" in length. As you can see, this is about perfect to fit in a 6 1/2" envelope.



 From the folded sheet of bubble wrap, cut a (folded) strip that is a little less than the height of your envelope. You do not want to cut it to the exact height because then it will be tough to close your envelope at the end.  We usually cut it about 1/4" less than the envelope height as shown.


Taking the remainder of the original sheet of bubble wrap, cut off a second folded strip that is the same width or even a little thinner than the strip you made before.  Half of this piece is going to be used for the third layer.  Going back to the concept of bubble thickness, if you have a new roll of bubble wrap, it might be too much to use three layers of that.  So sometimes a piece of the partially deflated bubble wrap from the inside of the roll is good to use for the middle layer. 



Here you see that we snip of the folded end of the strip we just cut.  This serves to separate the two layers so you can use one for the third layer of your homemade bubble mailer.  But it also helps shorten the piece enough so that it can fit in between without hanging out on the end.



And here you see the original strip opened up with the piece you just made placed on one side.  The bubble of the two layers will interlock, increasing the strength and reducing the thickness of the two layers.  You will notice that it is a little less than half the length of the original, which allows the larger piece to be folded nicely. If the little strip is too long or you have it over too far, you can get some bunching up in the corner where the fold is.  If anything, it is best to leave and excesss towards the right end where it can be cut off.



Now it is time to place your seeds on top of the two layers and tape the packet in place.



By folding the other part of the strip over the two layers, you end up with your three-layered padding.



Proceed to trim any ends that need to be trimmed and tape them up. You will notice that the folded end does not need to be taped.



Finally, the padded seeds are placed inside the envelope, and the envelope is cloesed.  You can see that when done neatly, the envelope stays thin.



Once again, 36 lbs. of weight are placed on top to demonstrate the validity of this method.



Just to prove that the seeds are indeed under there.



And again, they are totally unharmed.

Monday, December 27, 2010

The Mallacht's Worm Compost Tea Recipe

We were given permission to post this guide by The Mallacht. This is a guide for making worm casting tea. Worm castings are a euphemism for worm poop. It is also known as vermicast or worm humus. Like the solid waste of many other animals, worm castings are a wonderful fertilizer than can be used in place of chemicals for organic gardening. In addition to fertilizing, compost tea is believed to help prevent disease in plants. Gardeners often equate worms with a healthy soil, and this is because worms help to foster the web of life within the soil by breaking down organic matter and making nutrients readily available to plants. It also helps increase beneficial aerobic bacteria. By making a tea using worm castings, gardeners can add these beneficial nutrients to their soil in liquid form without actually having the worms present. Through aerating the tea, you can increase the levels of beneficial bacteria in your tea and your soil.


Essentially what you are doing is creating a culture of beneficial aerobic bacteria. When water sits for a long time without moving, it eventually becomes bacteria ridden or disgusting because harmful bacteria, or Anaerobic (anti-air) bacteria, thrive in an environment lacking oxygen. So when you use the bubblers to oxygenate the water, you are creating an environment that is perfect for the beneficial (aerobic) bacteria thus creating a thriving culture of them. Beneficial bacteria help break down components in the soil that would otherwise be useless to plants.




Materials Needed:

Two Socks to use as tea bags
Enough worm castings to fill the two socks (1 bag = $10)
Black Strap brand molasses (said to be the best brand)
Air Stones (preferably 4 or more)
Aquarium pumps for the airstones
Standard 5-gallon bucket



Here’s a picture of what a completed setup looks like without water



As you can see, there are four airstones in the bottom. Tying them together can keep them from floating, which is important because they work better on the bottom.


 


Here is a picture with it connected to the air pumps




A picture of Grandma’s Black Strap molasses





This is the setup with the water bubbling


 

     Afterwards 2-3 tablespoons of Grandma’s Black Strap molasses are added.

The worm castings are added to the socks and placed in the water for “brewing” This shows the setup in full operation





A pump is wired with a switch like this so that you can more easily fill gallon jugs and further aerate the tea.




Of course it may be overkill, but it helps to create more of the frothy foam that you are looking for. Let it run for 48-72 hours or more. A good amount of foam is a sign that the tea is ready. The more foam the better. It seems that the foam is indicative of there being a large amount of beneficial bacteria present.

                                                         So FOAM = READY for use


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Wednesday, December 22, 2010

How to Germinate Hawaiian Baby Woodrose Seeds (HBWR)

Germinating Hawaiian Baby Woodrose seeds can be tricky for some growers. Two factors that make Hawaiian Baby Woodrose somewhat difficult to work with is their hard seed coat that does not allow moisture to easily penetrate and a tendency to rot easily. This guide will assist you in overcoming both of these factors so that you can successfully germinate your seeds.

When beginning germination, the first thing you must do is prepare the seeds to receive moisture from the outside so that they embryos can wake up. To do this, you want to file the hard seed coat thoroughly. This process is called scarification and can be accomplished using either a file or some large grit sandpaper. You want to file the seed coat away from the little circle on the seed (the germ eye) and towards the pointy end of the seed. This is because the root of the seed will come from the end with the germ eye, and you do not want to damage it with your filing.

Next, you want to load the seeds up with moisture so that they can germinate quickly. If you were to leave them in the soil without soaking, it would be difficult for them to absorb enough moisture, especially because most of the moisture would have to enter through the nick you made by filing. Soaking will also soften up the seed coat to allow the root to emerge through the other end. Simply submerge your seeds entirely in plain water and let them sit for 24 hours. After 24-hours you will notice that they are swollen, which means they have taken up the water they need to sprout.

The point where germination usually fails is after soaking. The soaked seeds tend to rot easily, especially in soil. Therefore, it is advised to use an inert medium such as a paper towel. Wet a paper towel in pure hydrogen peroxide so that it is moist but not soaking. The paper towel should not leave excess moisture on the surface of a table if it has the proper moisture content. You are using hydrogen peroxide instead of water because peroxide has the ability to resist mold and bacteria better than water. Before you place your seeds in the moist paper towel, blot them dry with a dry paper towel. This will remove any dissolved material on the outside of the seed that pathogens can breed on.

Fold your seeds up in the peroxide paper towel and place them in a plastic zip seal baggie. Do not seal the baggie though because you want some airflow. Check the seeds each day for germination and to make sure the paper towel is not drying out. If it is, you can add some additional peroxide. Once you notice sprouts and the roots are about ¼” long, it is time to transplant them into soil.

Hawaiian Baby Woodrose likes a soil that is rich, well-draining and has good airflow. Plant your seeds with the root facing down at a depth of about ¾”. Keep the soil consistently moist (not wet) at room temperature. From this point on, your seedlings should be easy to grow. Established plants enjoy plenty of sunlight but will survive indoors (without flowering) as well. For pictures of the process follow this link http://www.shroomery.org/forums/showflat.php/Number/13669503

BUY HAWAIIAN BABY WOODROSE SEEDS AND MORE




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Friday, December 17, 2010

How to Root a Cactus Cuttting

Supplies:

Cactus Soil
Perlite
Large Plant Pot
2-3 Stakes
A few feet of rope or string




Like other plants, columnar cacti such as San Pedro Cactus and Peruvian Torch can be reproduced as cuttings. Many columnar cacti have adapted to be able to grow roots from just about anywhere on the plant in the event that a piece would break off. We tend to think of rooted cuttings standing upright, but that is not how it would happen in nature. Most likely, a cactus arm or tip would break off and land on its side. Many people do not realize it, but a broken cactus arm can actually root on its side and send up one or multiple growing tips. But for the purpose of this guide, we will talk about how to root cactus cuttings in the upright position.

Rooting cuttings is very simple and actually does not require much effort at all. After all, a cutting that roots in nature has no human help at all. The same idea should be kept in mind when rooting at home. Rooting really does not involve you other than to set up your cactus cutting in the position you want the cactus to grow in. Many people stress themselves out over what they can do or might be doing wrong to get the cactus cutting to root. But the truth is that the cutting will root on its own when it is ready. The amount of time it takes for a cactus cutting to begin rooting can be anywhere from a few months to several months. As long as the cutting does not rot, it will root. So your job in rooting the cactus is simply to set up the cactus, prevent conditions that could lead to rot and have patience.

One of the conditions that is helpful for preventing rot on your cactus cutting is providing airflow to the buried tip of your cactus cutting. That means you want to have a soil that is not compact. Perlite is the best way to avoid compaction and provide aeration in your soil. Perlite is a type of highly porous volcanic glass that resembles pumice. Perlite appears as small, round, non-uniform, white particles. Some people mistake perlite in potting soil mixtures for Styrofoam balls. Even if you are using a commercial cactus potting soil, we at World Seed Supply recommend adding at least 50% perlite to your soil. This may seem like a lot, but it will keep the airflow constant so you can avoid rot.

Aside from limited airflow, the other condition for rot is moisture. So it is important that your soil is dry before you use it. Unlike rooting plant cuttings where moisture is imperative for the cutting to survive, cactus cuttings already store the moisture they will need until they root. The cactus flesh does not absorb water well on its own and is prone to infection. It is believed that when the cactus becomes thirsty, it will actually trigger rooting. So aside from rot, it is counterintuitive to the rooting process itself.

Once you have your soil mixture you want to fill up a large pot. You want to use a good-sized pot if you have the room. For a 12” cactus cutting, a pot that is about 10” in diameter and 10” deep is ideal. Sometimes pots can be expensive, so even a bucket or similar large container you might find at the dollar store will work if you drill holes in the bottom. This will give your cactus the room it needs to grow once the roots begin growing. If you want nice thick growth, a good root system is essential.

Before you root any cutting it is essential to make sure that it is well-calloused. Just like a scab over a cut, a wound, in this case a slice, on a cutting will scab over. A well-calloused cutting will be dry rough and hard. If there is any moisture present on the cut, leave it in a dry place to finish healing. If you not follow this advice you will almost certainly have to deal with rot.

We usually position the cactus upright, burying the bottom 3” of the cutting underneath the soil. If your cactus cutting is not a tip, it does not matter which side is up or down. At a 3” depth the cutting should be able to stand up on its own. If not, go a little deeper. This is a suitable depth for helping the cactus stand up. But it also gives enough flesh below the soil for roots to come from. You can even bury the cutting a little deeper if you do not mind it starting out shorter. With a good root system, it may just give you a taller cactus in the long run.

If you are rooting indoors, your cactus cutting can probably get away without being staked. But if you want to be on the safe side or you have pets or are rooting outside, then you can use stakes to hold the cutting upright. You can use two to three stakes place around the cactus to hold it up. Stick them deep into the soil so they can gain a good foothold so that they offer maximum support. Wrap a length of rope or string around your stakes and the cactus cutting at the point where they all meet. You can use several wraps to help secure everything together. Then tie it off. Leave the cutting at room temperature, and the roots will form when the cactus is ready. And most important of all, do not water.

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