Plant Propagation

This is a site for plant propagation methods.I will post about propagating plant cuttings,types of plant propagtion,rooting plant cuttings,seed propagation, and more. Enjoy your free plants.

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Sunday, April 16, 2006

Wednesday, April 12, 2006

Free House plants: Houseplant Propagation Hotsheet

Tuesday, April 11, 2006

Spring Planting Tips

by Michael J. McGroarty

Spring means that the garden centers are packed with people, and car trunks are packed with plants. Everybody has dirt on their knees, dirt under their nails, and are excited about gardening. To make certain that this excitement yields positive results, let's discuss the basics in this article of spring planting tips.

Installing new plants and having them grow successfully is not difficult, nor is it as complicated as some would have you think. Is it as easy as just digging a hole and setting the plant in? Yes, it certainly can be. I won't get into bed preparation, as I have covered that in other articles that are available at http://freeplants.com

Let's start with B&B plants. B&B is short for balled in burlap. Closely examine the ball on the plant that you have purchased. Did the diggers wrap twine around the ball to hold the plant secure? If they did, you should at least cut the twine and lay it in the bottom of the hole, or remove it completely. Pay close attention around the stem of the plant where it emerges from the root ball, as diggers often wrap the twine around the stem several times as they tie the ball. This is extremely important because if the string is nylon, it will not rot and will girdle and kill the plant two or three years from now.

When B&B plants are stored in the nursery for extended periods of time it becomes necessary to re-burlap them if the bottom starts to rot before the plants are sold. If the plant that you buy has been re-burlaped it is possible that there could be nylon stings between the two layers of burlap, check the stem carefully. As long as the nylon string is removed from around the stem of the plant, it is actually harmless around the rest of the ball, and you do not have to remove it.

Is the root ball wrapped in genuine burlap, or imitation burlap made of a non-biodegradable plastic material?

Genuine burlap will rot quickly underground and does not have to be disturbed before planting. If you're not sure or suspect a poly type burlap, you don't have to remove it completely, but should loosen it around the stem of the plant and cut some vertical slices around the circumference of the ball.

More spring planting tips . . .

Now here's the critical part. What kind of soil are you planting in?

If your soil is heavy clay, I highly suggest that your raise the planting bed at least 8” with good rich topsoil. If you can't do that for some reason, install the plant so that at least 2” or more of the root ball is above the existing grade and mound the soil over the root ball. Keep in mind that plants installed this way could dry out over the summer, but planting them flush with the ground in heavy clay can mean that the roots will be too wet at other times of the year.

The “experts” suggest that when planting in clay soil you dig the hole wider and deeper than the root ball and fill around and under the plant with loose organic material. That sounds like a really great idea doesn't it? Some of these experts also recommend that you dig the hole extra deep and put a few inches of gravel in the bottom for drainage. Where do you suppose they think this water is going to “drain” to?

Keep in mind that most B&B plants are grown in well drained soil. That means that the soil in the root ball is porous and water can easily pass through. Now imagine if you will, a root ball about 15” in diameter, setting in a hole 30” diameter. All around and under that root ball is loose organic matter. Inside of that root ball is porous soil. Now along comes Mother Nature with a torrential downpour. There is water everywhere, and it is not going to soak into that hard packed clay soil, so it is just flowing across the top of the ground searching for the lowest point.

When it reaches our newly planted tree surrounded by loose organic matter, it is going to seep in until the planting hole is completely full of water. (Remember my article on getting rid of standing water and the French drain system?) By using this planting technique we have actually created a French drain around our poor little plant that can not tolerate it's roots being without oxygen for long periods of time. Because the bottom of this hole is clay, even though we've added gravel for drainage, there is nowhere for the water to go, and this plant is going to suffer and likely die.

If you can not raise the planting bed with topsoil, and are planting in clay soil, I recommend that you install the root ball at least 2” above grade and backfill around the ball with the soil that you removed when you dug the hole. Backfilling with the clay soil that you removed is actually like building a dam to keep excess water from permeating the root ball of your newly planted tree. The plant is not going to thrive in this poor soil, but at least it will have a chance to survive.

More spring planting tips . . .

Once again, raising the bed with good rich topsoil is the best thing you can do to keep your plants healthy and happy.

No matter what kind of soil you have, be careful not to install your plants too deep. They should never be planted any deeper than they were grown in the nursery. Planting too deep is a common problem, and thousands of plants are killed each year by gardeners who just don't understand how critical planting depth is.

Staking newly planted trees is always a good idea. If your new tree constantly rocks back and forth when the wind blows it will have a very difficult time establishing new roots into the existing soil. Stabilize the tree with a stake. You can use a wooden stake, a fence post, or for small trees I often use 1/2” electro magnetic tubing, (conduit), available at any hardware store.

You can secure the tree to the stake with a single wrap of duct tape. In about six months or a year the sun will dry the glue on the duct tape and it will fall off. Check the tape to make sure that it has fallen off. You don't want to girdle the tree with the tape.

More spring planting tips . . .

Container grown plants are much easier. Follow the rules for depth of planting as described earlier. Before gently removing the plant from the container check the drain holes in the bottom of the container for roots that might be growing out the holes. If so cut them off so they will not make it difficult to get the plant out of the container.

The easiest way to remove the plant from the container is to place your hand over the top of the container and turn it completely upside down and give it a gentle shake. The plant should slide right into your hand.

Examine the root mass as you hold it in your hand. Sometimes when plants have been growing in a container for a long time the roots start to grow in a circular pattern around the root mass. This is not good, and you should disturb these roots before planting so you can break this circular pattern. You can take a knife and actually make about three vertical slices from the top of the root mass to the bottom. This will stimulate new roots that will grow outward into the soil of your garden. Or you can just take your fingers and loosen the roots that are circling the root mass and force them outward before you plant them.

What about fertilizer, bone meal, peat moss, and all those other additives they are going to try and sell you at the garden center?

Raise your planting beds with good rich topsoil and forget about the additives. Be very careful with fertilizers, they can do more harm than good. I landscaped my house 14 years ago and I haven't got around to fertilizing the plants yet, and have no intention of doing so. They look great.

As far as bone meal and all those other soil additives are concerned, don't get too caught up in all that stuff. The only thing that I know for sure is that they will make your wallet thinner, but I don't think you'll see a difference in your plants. Over the years I've landscaped several hundred homes with fantastic results, and I never added any of these additives to my planting beds.

Did I mention planting in good rich topsoil? That's the secret!

Michael J. McGroarty is the author of this article. Visit his most interesting website, http://freeplants.com and sign up for his excellent gardening newsletter. Article provided by, http://gardening-articles.com

Friday, March 31, 2006

The Secret of Rooting Cuttings

The Secret of Rooting Cuttings

by Michael J. McGroarty

The secret of rooting cuttings can be summed up in two words.

“Timing and technique”.

When you do your cuttings is every bit as important as how you do them. So if you do the right thing, at the right time of the year, your efforts are sure to bring success. Through this article you will learn both.

"Rooting Hardwood Cuttings of Deciduous Plants"

Hardwood cuttings are much more durable than softwood cuttings which is why hardwoods are the best technique for the home gardener. A deciduous plant is a plant that loses it’s leaves during the winter. All plants go dormant during the winter, but evergreens keep their foliage. Many people don’t consider Rhododendrons, Azaleas, and and Mountain Laurel evergreens, but they are. They are known as broad leaf evergreens. Any plant that completely loses it’s leaves is a deciduous plant.

There are three different techniques for rooting cuttings of deciduous plants. Two methods for hardwood cuttings, and one for softwood cuttings. In this article we are only going to discuss rooting cuttings using the hardwood methods. If you are interested in softwood cuttings, you'll find a very informative article at http://freeplants.com

Of the two hardwood techniques is one better than the other? It depends on exactly what you are rooting, what the soil conditions are at your house, and what Mother Nature has up her sleeve for the coming winter.

I have experienced both success and failure using each method. Only experimentation will determine what works best for you. Try some cuttings using each method.

When doing hardwood cuttings of deciduous plants, you should wait until the parent plants are completely dormant. This does not happen until you’ve experienced a good hard freeze where the temperature dips down below 32 degrees F. for a period of several hours. Here in northeastern Ohio this usually occurs around mid November.

Unlike softwood cuttings of deciduous plants, where you only take tip cuttings from the ends of the branches, that rule does not apply to hardwood cuttings of deciduous plants. For instance, a plant such as Forsythia can grow as much as four feet in one season. In that case, you can use all of the current years growth to make hardwood cuttings.

You might be able to get six or eight cuttings from one branch. Grapes are extremely vigorous. A grape vine can grow up to ten feet or more in one season. That entire vine can be used for hardwood cuttings. Of course with grape vines, there is considerable space between the buds, so the cuttings have to be much longer than most other deciduous plants. The average length of a hardwood grape vine cutting is about 12” and still only has 3 or 4 buds. The bud spacing on most other deciduous plants is much closer, so the cuttings only need to be about 6- 8” in length.

Making a deciduous hardwood cutting is quite easy. Just collect some branches (known as canes) from the parent plants. Clip these canes into cuttings about 6” long. Of course these canes will not have any leaves on them because the plant is dormant, but if you examine the canes closely you will see little bumps along the cane. These bumps are bud unions. They are next year’s leaf buds or nodes, as they are often called.

When making a hardwood cutting of a deciduous plant it is best to make the cut at the bottom, or the butt end of the cutting just below a node, and make the cut at the top of the cutting about 3/4” above a node. This technique serves two purposes. One, it makes it easier for you to distinguish the top of the cutting from the bottom of the cutting as you handle them. It also aids the cutting in two different ways. Any time you cut a plant above a node, the section of stem left above that node will die back to the top node. So if you were to leave 1/2” of stem below the bottom node, it would just die back anyway. Having that section of dead wood underground is not a good idea. It is only a place for insects and disease to hide.

It is also helpful to actually injure a plant slightly when trying to force it to develop roots. When a plant is injured, it develops a callous over the wound as protection. This callous build up is necessary before roots will develop. Cutting just below a node on the bottom of a cutting causes the plant to develop callous and eventually, roots.

Making the cut on the top of the cutting 3/4” above the node is done so that the 3/4” section of stem above the node will provide protection for the top node. This keeps the buds from being damaged or knocked off during handling and planting. You can press down on the cutting without harming the buds.

When rooting cuttings this way it helps to make the cut at the top of the cutting at an angle. This sheds water away from the cut end of the cutting and helps to reduce the chance of disease. Once you have all of your cuttings made, dip the bottom of the cutting in a rooting compound. Make sure you have the right strength rooting compound (available at most garden stores) for hardwood cuttings. Line them up so the butt ends are even and tie them into bundles.

Select a spot in your garden that is in full sun. Dig a hole about 12” deep and large enough to hold all of the bundles of cuttings. Place the bundles of cuttings in the hole upside down. The butt ends of the cuttings should be up. The butt ends of the cuttings should be about 6” below the surface. Cover the cuttings completely with soil and mark the location with a stake, so you can find them again in the spring.

I know this sounds crazy, but rooting cuttings this way does work. To increase your chances of success you can cover the butt ends of the cuttings with moist peat moss before filling in the hole. Make sure you wet the peat moss thoroughly, then just pack it on the butt ends of the cuttings.

Over the winter the cuttings will develop callous and possibly some roots. Placing them in the hole upside down puts the butt ends closest to the surface, so they can be warmed by the sun, creating favorable conditions for root development. Being upside down also discourages top growth. Leave them alone until about mid spring after the danger of frost has passed.

Over the winter the buds will begin to develop and will be quite tender when you dig them up. Frost could do considerable damage if you dig them and plant them out too early. That’s why it is best to leave them buried until the danger of frost has passed.

Dig them up very carefully, so as not to damage them. Cut open the bundles and examine the butt ends. Hopefully, you will see some callous build up. Even if there is no callous, plant them out anyway. You don’t need a bed of sand or anything special when you plant the cuttings out. Just put them in a sunny location in your garden. Of course the area you chose should be well drained, with good rich topsoil.

To plant the cuttings, just dig a very narrow trench, or using a spade, make a slice by prying open the ground. Place the cuttings in the trench with the butt ends down. Bury about one half of the cutting leaving a few buds above ground. Back fill around the cuttings with loose soil making sure there are no air pockets. Tamp them in lightly, then water thoroughly to eliminate any air pockets.

Water them on a regular basis, but don’t make the soil so wet that they rot. Within a few weeks the cuttings will start to leaf out. Some will more than likely collapse because there are not enough roots to support the plant. The others will develop roots as they leaf out. By fall, the cuttings that survived should be pretty well rooted. You can transplant them once they are dormant, or you can wait until spring. If you wait until spring, make sure you transplant them before they break dormancy.

There really is no exact science when it comes to rooting cuttings, so now I am going to present you with a variation of the above method. This method still applies to hardwood cuttings of deciduous plants. With this variation you do everything exactly the same as you do with the method you just learned, up to the point where you bury them for the winter.

With method number two you don’t bury them at all. Instead, you plant the cuttings out as soon as you make them in the late fall, or anytime during the winter when the ground is not frozen. In other words, you just completely skip the step where you bury the cuttings underground for the winter. Plant them exactly the same way as described for method number one. As with all cuttings, treating them with a rooting compound prior to planting will help induce root growth.

Hardwood cuttings work fairly well for most of the deciduous shrubs. However, they are not likely to work for some of the more refined varieties of deciduous ornamentals like Weeping Cherries or other ornamental trees. Rooting cuttings of ornamental trees is possible, but only using softwood cutting techniques.

Now let's discuss rooting cuttings of evergreens, using hardwood techniques.

Hardwood cuttings of evergreens are usually done after you have experienced two heavy frosts in the late fall, around mid November or so. However, I have obtained good results with some plants doing them as early as mid September, taking advantage of the warmth of the fall sun. When doing them is early, they need to be watered everyday.

Try some cuttings early and if they do poorly, just do some more in November. Hardwood cuttings of many evergreens can be done at home in a simple frame filled with coarse sand.

To make such a frame, just make a square or rectangular frame using 2” by 6” boards. Nail the four corners together as if to make a large picture frame. This frame should sit on top of the ground in an area that is well drained. An area of partial shade is preferred.

Once you have the frame constructed remove any weeds or grass inside the frame so this vegetation does not grow up through your propagation bed. Fill this frame with a very coarse grade of sand. The sand used in swimming pool filters usually works. Mason's sand is a little too fine. If you have a sand and gravel yard in your area visit the site and inspect the sand piles. Find a grade that is a little more coarse than masons sand. But keep in mind that most any sand will work, so just pick one that you think is coarse enough. If water runs through it easily, it's coarse enough.

Make sure you place your frame in area where the water can drain through the sand, and out of the frame. In other words, don't select a soggy area for your cutting bed. Standing water is sure to seriously hamper your results.

Making the evergreen cuttings is easy. Just clip a cutting 4-5 inches in length from the parent plant. Make tip cuttings only. (Only one cutting from each branch.) Strip the needles or leaves from the bottom one half to two thirds of the cutting. Wounding evergreen cuttings isn’t usually necessary because removing the leaves or needles causes enough injury for callous build up and root development.

Dip the butt ends of the cuttings in a powder or liquid rooting compound and stick them in the sand about 3/4” to 1” apart. Keep them watered throughout the fall until cool temperatures set in. If you have some warm dry days over the winter, make sure you water your cuttings. Keep in mind that sand in a raised bed will dry out very quickly. Don't worry about snow. Snow covering your cuttings is just fine, it will actually keep them moist, and protect them from harsh winter winds.

Start watering again in the spring and throughout the summer. They don’t need a lot of water, but be careful not to let them dry out, and at the same time making sure they are not soaking wet.

This method of rooting cuttings of evergreens actually works very well, but it does take some time. You should leave them in the frame for a period of twelve months. You can leave them longer if you like. Leaving them until the following spring would be just fine. They should develop more roots over the winter.

Rooting cuttings of the following plants is very easy using this method. variegated Euonymus varieties, Taxus, Juniper, Arborvitae, Japanese Holly, Boxwood, and English Holly. Rhododendrons and Azaleas prefer to have their bottoms warmed before they root.

Michael J. McGroarty is the author of this article. Visit his most interesting website,http://www.Freeplants.com and sign up for his excellent gardening newsletter. Article provided by, http://gardening-articles.com

Plant Propagation

About Me

Sunday, April 16, 2006

Free House plants

Wednesday, April 12, 2006

Free House plants: Houseplant Propagation Hotsheet

Tuesday, April 11, 2006

Spring Planting Tips

Friday, March 31, 2006

The Secret of Rooting Cuttings

Free House plants: FREE - Gardening E-book

Free House plants: Planting and Caring for Flower Bulbs by Michael J. McGroarty

Plant Propagation