The first stage of work on these satsukis was carried out last April. Pests are not common on azalea bonsai. Even if they seem oversized, this allows me to create movement without them branching off, as we are not yet at that stage. Don’t forget to spread a fine layer of moss across the surface: it will help maintain a constant, healthy level of moisture. Never put them in compost, as this can create a source of infection. Through regular intervention, the plant can be formed without major effort, and any errors can be corrected without having to go back to square one. Azaleas have a very fine and reactive cambium, which will try to cover the training wire. We are now getting ahead for the next stage of work, as it is easier to shorten a trunk by cutting it down than to wait for it to grow. The second phase of shaping is complete. I wire the young shoots almost without protection: they are very flexible, allowing me to position them where I want. After preparatory work last April, these Japanese azalea plants are ready to begin being shaped into future bonsai. The next time you visit our online store all you need to view your personal details is your email address and password. They are ready for the next phase of work. Diseases, Pests. When it comes to cultivating satsuki as bonsai (in the U,K) a few simple rules need to be adhered to. The following few simple rules are valid for the prevention of a large number of diseases, and have proved highly effective: Government legislation often leaves little choice of active ingredients that are effective against this disease. This process should be creative, and not rigid, as we still have a long way to go before the plant is a Bonsai. One of the plants does not appear here. The Japanese Kanuma bonsai soil is well suited for azalea bonsai. The most common plant to utilize Kanuma for bonsai is azaleas. But with the right approach, keeping these flowering bonsai … In azaleas, the fine layer of cells moves over the wire and covers it. If indoor, place in a well-lighted area with two or more hours of filtered sun. Azaleas tend to sprout in the form of a crown: several shoots emerge from the same point. Our first job is to remove the wiring – which is no mean task. These are important assets, as this is how thick, widely spread nebari are formed. Beware also of other funguses such as Verticillium and Rhizoctonia, which cause more or less the same symptoms as Phytophthora. It is easy to apply, and is suitable for use in organic agriculture. The race for sunlight pushes the plants to spread out, so as to take full advantage of the light available. This fungus is very well known in the cultivation of plants from the Ericaceae family. Imported Japanese KanumaJapanese Kanuma is the perfect soil for acid loving plants. The end of the wire that will be used to train the future trunk is bent to form a fastening that will anchor the branches to the substrate. It is now time to cut away any superfluous or poorly positioned branches and to balance up the future Bonsai. If this is not the case, there must be an underlying problem – most likely a disease or insects.Since April, the foliage has more than doubled in density, and shoots have sprouted all over the place. Even if some of the branches are well positioned and could be interesting for structuring the Bonsai. Following a few tentative weeks of spring, the warm temperatures of early summer have caused an explosion of growth. Azalea Bonsai may be grown either indoors or outdoors. Let us consider this active response as an advantage rather than a drawback. Top 5 tips for keeping azalea bonsai healthy. Their initial forms are fixed, leading us on to the next stages. The forms should be sinuous and irregular throughout, with a unity between the different trunks, as this will be useful when the tree is balanced out during its final shaping. This article was contributed by Esprit Bonsai Magazine. Once slightly dried, these substrates are difficult to wet again. I cut out the trunks that are too close together, and I try to ensure that the remaining trunks are spaced at equal distances: this will allow me to give them more homogeneous forms during wire training.I prune back all the branches on the trunks as soon as they reach a diameter of 1/4" (6mm), so that they thicken up; I leave the smaller ones as sacrifice branches. The initial stage of this project for six Japanese satsuki azaleas can be carried out up to early June, after blossoming. But to begin, we need that spark of inspiration. As a general rule, azaleas should not be worked on over the winter period. The infection spread through the whole plant, and killed it. By the time its effects are visible, it is already too late. Treat plants regularly and systematically with Aliette (fosetyl-aluminium). Disinfect tools with 90° alcohol after cutting or pruning each tree, to avoid transmitting fungus spores. The Japanese Azalea has long been a favorite of bonsai enthusiasts. Concave branch cutters are to be avoided, as they scoop out the wood; this does not harm the azalea’s healing process, but it leaves an ugly mark, exposing the section that has been hollowed out by the cut. Some display abundant growth, others less so. In the world of bonsai, there are few things more beautiful than an Azalea bonsai in full bloom. For best results move the indoor bonsai … With its immune system undermined, it was contaminated by a fungus – Phytophthora. Its level has dropped due to watering and weeding, and bringing it up again will allow the roots to develop and to continue this natural layering process. As with many flowering bonsai, it looks beautiful when in bloom. I still remove them without hesitation: I am not yet at the stage of selecting and constructing branches, and if I keep these, it will be to the detriment of the fundamental structure. Peat moss also helps retain water while still allowing air to reach the roots. The disease spreads through contaminated material: dead leaves and twigs. This last cutting of the year will allow the plant the time to heal and to prepare for winter. I would even go so far as to say that it helps shape the trunk, for a tree’s character is born of its imperfections. Isolate plants if you suspect that they are infected. At this stage, the fact that the wire has marked the wood is nothing to worry about, since the plant will continue to grow and the wounds will heal. It is imperative to burn the latter. Satsuki Azalea bonsai prefer acidic soils, so using extra peat moss is advised. Right: Fine roots have been formed on contact with the moss and kanuma: they will help to create handsome nebari. Jérôme Hay invited readers to follow his shaping of an azalea, starting with a classic 2-to-3-year-old seedling. Repotting Azalea Bonsai. If this had been done from the beginning, when the plant first sprouted, the sprigs would have been even longer and thicker, as the ones being removed here represent wasted material. Those that are retained should not be cut back, as this would reduce their vitality – that is, their speed of growth – and we want to allow them to continue to grow and thicken.