![]() Most frequently, it results from the Acer ginnala being overwatered. The answer is obvious once you recognize the cause of the problem. If you disregard these warning signs, your plant could die. ![]() This fungus is probably to blame if you see any brown (or gray) spots. Why does my Amur maple have gray mold spots?Ī particular fungus known as gray mold spots spreads quickly and frequently damages flowers. For this reason, we strongly recommend that you follow our guide to keep your plant alive if the symptoms occur: Root soft and blackened. Root rot on your Amur maple (Acer ginnala) can be fatal if not treated with care. The side lobes are shorter than the middle ones on the leaves. Wingnuts or whirlybirds are sometimes called wingnuts or whirlybirds because of the tree’s samaras or seeds. Your yard will be ablaze in autumn with the red or orange leaves of this small tree or shrub. The Amur maple is known for its fall colors, and it certainly lives up to this reputation. If you have a coniferous tree, fertilizing the tree once in the beginning of winter and once in the middle of winter should be sufficient.NOTE: Amur maple may be referred to as Acer ginnala in this article, in fact, those are the same plants, Acer ginnala is the botanical name for Amur maple. If your Bonsai looses leaves in the winter there is no need to fertilize it then. One of the best and easiest ways to fertilize your Bonsai, is to add a liquid fertilizer mix when water your Bonsai's once a month during the spring/summer. Lava Rock - This can be replaced with fine gravel or you can also look into purchasing a larger lava rock at a hardware or gardening centre and crushing it.Pumice - fine crushed aggregates, expanded shale and vermiculite.Akadama - fine fired or baked clays, some even recommend cat litter as a substitute.Here are some suitable replacements if you cannot find the recommended types of soil. Given how these soils erode over time, repotting every 2-3 years is required. If you are not able to check on your Bonsai's moisture levels daily, add more Akadama to the mix. Soil mixtures can be purchased here, but given their weight and cost of shipping, you can also easily make your own.ĭepending on the type of Bonsai you're growing, here are the general formulas for successful mixtures.ĭeciduous Tree (Leafy and looses leafs in the fall)Ĭoniferous Tree (Evergreen like Juniper, Cedar) Garden soil hardens when it drys and can often lead to a disadvantage when growing a Bonsai. One of the worst things you can do to your tree is plant it in regular garden soil. The quality of the soil directly affects the health, size and growth of your tree. It is important for the soil have good water retention while also draining well, along with very good aeration. Please see our Choosing a Bonsai page for the age and dimensions regarding the different stages of our Bonsai (Baby, Young, & Mature).īonsai soils are usually a mixture of organic potting compost (Pine Bark or Forest Floor), Akadama, pumice, lava rock in varying amounts. These are not seeds - But an Actual Living Bonsai Tree. YOUNG: 18" - 24" tall, comes in a 6" grower's pot. Do not repot on years that the tree has been defoliated instead, alternate repotting and defoliating years.īABY: 12"-24" tall, comes in a 4" grower's pot. Repotting: it is recommended to repot every other year for your trees. Even very aggressive cutting back will produce new buds. Pruning: known to bud back very well on old wood, the Amur Maple is straightforward to prune. Leaf size can be reduced to under one inch when defoliated every other year. Branches and new shoots take very well to wiring. Training: Like all maples, when wiring, be careful not to injure the bark. In the winter, while dormant, very little water is needed. Watering: moderate watering, making sure the soil does not completely dry out in the summer. So whether you're looking for Bonsai material to start with or want to add a super-strong deciduous variety to your collection, the Amur Maple is for you. We are happy to finally have our first batch of nursery-grown Amur Maples available for sale. Budding back is almost guaranteed with an Amur Maple under the right conditions. The Amur Maple is a very hardy variety that is resilient, light, drought-tolerant, and can be hard pruned easily. The Amur Maple is quickly becoming a favourite, especially here in Canada. Although just starting to gain popularity in Bonsai circles in the past 50 years.
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