Remove and take off deceased, dying or infected limbs. If you have an Asian azalea shrub, it could be one of two main evergreen varieties: Kurume hybrids are usually bright red and don't tend to grow very large - no more than 3 or 4 feet (0.9 or 1.2 m). 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Trim all of the other branches on the plant as though you were shaping the plant. Keep in mind that a natural and not formal look is best. All of them are characterized by the beauty of their flowers, they bloom in spring and often they can last several weeks. But many homeowners wonder how do you prune an azalea to keep it a manageable size and shape. Sign up for our newsletter. Its great popularity means that an article in this blog about how and when to prune azaleas bushes can not be missing. The shallow root system and small size of Azalea japonica makes it an ideal candidate for container growing on a balcony or terrace. Only add as a recommendation that you take your plant outside when pruning for easy cleaning. In Japan azaleas are pruned straight after flowering and then once or twice during the leaf growth period. You can prune azaleas in late summer as long as you understand a couple of things. We already analyze in a general way the pruning of this bush, now it is time to see some special cases, which will be the following: Next we will see how pruning varies in each of the four previous cases. If you have not cut sick or attacked by pests, you can use them in your garden (for example, compost), otherwise try to remove such waste from the garden to avoid spreading diseases or pests to other plants. Azaleas will grow new branches from right below wherever you cut. Cut these branches back by a third to a half. Deadhead azaleas regularly to keep the plants neat and promote continued flowering. Cut about 2 to 6 inches (5 to 15 cm) off the tip of each branch. Just as the beginning of spring is a good time to prune your azaleas bushes, so is summer, especially when it has stopped flowering. Generally speaking, Azaleas will need very little pruning but it is often advisable to take away a few twigs in some places to help you power out dense new expansion. Avoid the use of native soil. Native azaleas grow like vines, and they don't need pruning. When you remove the azalea plant from the nursery container, you should check the condition of the roots.If the root ball has fibrous roots wrapped around it, you will need to loosen it up. Floragard Rhodohum is a ready-to-use speciality soil for planting lime sensitive Rhododendrons, Azaleas, Heathers, Camellias and other ericaceous plants. Once you finish reading the article it will be necessary to analyze all the information and apply what you have learned in the best way. If you have already shaped your azalea in previous prunings, look for the old cuts and prune at that height, so it will recover the previous form. As for the second case (you have not yet transplanted), you will not need to prune, let your plant grow freely until it is the size you consider appropriate for the transplant. Most are best if this is confined to the removal of dead, dying or broken branches and to the cutting out of branches that obstruct paths or driveways. Therefore, we will begin by analyzing the aspects of pruning in a general way, and then take some special cases. In general terms we can say that if the place where we planted our evergreen azalea is properly selected, and the necessary care is given, practically no type of pruning will be necessary. Prepare heath plant soil mix and ensure the pot or container is wide enough. We will also take the time to leave some basic advice on the care of this plant. Prune after flowering for plenty of new growth. Don’t wait too long to prune, as pruning close to blooming time will reduce the number of flowers. Native azaleas growing in pots appreciate a moist but well-drained soil. How to Prune Overgrown Azaleas. Be sure to watch new growth for lace bug damage. Azalea is a bush of flowers of the genus Rhododendron, there are thousands of varieties that exist, among them there are the evergreen type and the deciduous type. Growing Azaleas in Pots or Containers. (We are talking now of outdoor azaleas and not the florist’s indoor Azalea indica types.) There are some semi-evergreen varieties of azaleas. Pick out the branches on the plant that are outside of your mental shape for the plant and cut each one of those back. Apply at half the recommended rate for pot plants on two or three occasions up until the end of June. Nov 11, 2015 - Neat and compact, azaleas are well-suited for container growing. Mulch the azaleas with a sugarcane mulch, cow manure and compost mix to protect their shallow roots. Prune in early spring before new growth appears, and prune as the azalea blooms to encourage more flowers (these cut flowers look beautiful in a vase). Rhododendrons and Azaleas flower from buds produced on the end of the shoot. Azaleas may be deciduous (drop their leaves in autumn/winter) or evergreen. When pruning azaleas, you do not need to worry about cutting back to a connecting branch. You can prune at anytime of year but the best time is after flowering. In general terms we can divide the cut of this shrub into the following types: In what follows we will analyze each of the prunings just detailed. They can also be taken indoors in alight airy room for a short time, normally no longer than a week. To keep your Azalea japonica small, prune branches back after the blooming. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. © Copyright, HowandWhentoPrune.com • Contact • Legal, privacy and cookies, 2. Fortunately even the florist Azaleas sold in little pots for indoor decoration can be potted on into larger pots and grown outdoors. If you have any questions, remember that you can contact us to make your inquiries. They grow new shoots almost anywhere in the stem so there is no need to worry. As a protection, spray weekly during summer with Eco-Neem. Looking for the most crowded areas, do not let yourself be cut in scarce areas of foliage. This is called azalea petal blight. We would need a special article to talk about the pruning of a azalea bonsai, so as not to extend this article too much I will leave you a good video on the subject (John Geanangel channel).. As you may have noticed, and not to reiterate the same concepts ten times in the post (something quite tiring for you and me), I have been selecting videos to respond to these special cases. Do not worry about performing this drastic pruning, the azaleas recover perfectly. Rule 3: Do not leave pieces when cutting large branches, prune them with another branch. So, how do you prune an azalea? Select a pruning tool such as pruning shears or hand saws and try to make cuts leaving a rounded shape at the top. If pruned they may continue to grow a few more inches than the branch. Keep in mind that there are hundreds of varieties, including dwarf, medium and tall, in many colors and that bloom early or late. Make the cut at the point of connection between wood dry or diseased and healthy wood. Whilst azaleas don’t require annual pruning they are tolerant to being cut back so you do not have to be overly cautious. Timing of pruning is absolutely vital to ensure flower for the following year. Best done October/ November. Showy clusters of flowers adorn azaleas in spring, summer or fall. This last case (pruning of Overgrown Azalea Shrub) will not be the exception, I hope this video ( Giroud Tree and Lawn channel) is very useful. Or sometimes azaleas become leggy and need to be rejuvenated. Prune these flower buds, as if they will probably be killed by cold weather. Azaleas can be grown in all manner of containers, and make a splendid temporary floral display near the house on a patio or deck. 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