Step 3. Fall and winter are a common time to prune and shape most deciduous trees and shrubs – exceptions to this are maples because they will bleed or ooze sap. The hardy shrub does not require pruning. When you prune, do it between November and January. A 12-16 in. Those grown in containers will need potting on every two or three years. Some gardeners prefer to prune just after the leaves fall, but many recommend pruning early in spring. Frost-proof terracotta pots are heavy, providing extra stability to prevent trees blowing down in windy weather. Avoid pruning the tree in weather hotter than 80 °F (27 °C), especially if the tree is located in full sun. If you have Acers planted in the ground you can read about pruning these here. For all trees in containers, root pruning should be considered an essential tool for maintaining trees in peak vitality. The roots of maples in pots are vulnerable to frost over winter, so wrap your container with a sheet of bubble wrap, held in place with garden twine. I re-potted again because the other pot was too big and I read a lot of stuff about the dangers of "over potting" + the fact that the roots weren't free. How and when to prune Acers in pots. Of course, they will do well in most soils as long as there is some good compost there. Powered by, Pruning Acer Trees and Shrubs – everything you need to know, Top 5 Best Polytunnels For Gardens and Allotments, Top 5 Best Felt For Sheds That Are Durable and Long Lasting, Best Power File Sander – Top 5 Models & Buyers Guide, Top 4 Best Biscuit Jointers, Buyer Guide & Reviews, Top 4 Best Shed Paints For Protecting and Brightening Up Your Shed. How to grow Japanese maples. Last year I got a 6-7’ Japanese maple bloodgood which came in great condition but in a very small pot - I literally had to cut the plastic pot to get the plant out .... it was never coming out otherwise! Gardening and DIY tips, advice & product reviews. Make sure the pot has good drainage holes and stand your pot on feet so that water can escape in winter. Rubbing branches under the main canopy as well as some branches that look out of place and ruin the aesthetics of the tree. Our site is reader supported, this means we may earn a small commission from Amazon and other affiliates when you buy through links on our site. It produced new roots after being re-potted so is clearly keen to grow and survive. You should prune the roots only lightly while cleaning them off any dry and hardened-up old soil. jamesharcourt West Sussex Posts: 462. You do not say if your tree is in a pot or in the ground. Hi, thanks for this. If you are growing Acers in your home, or you want to but you don’t have a large garden, pots make for an excellent alternative with the Acer Palmatum varieties being the best choice as they are slow growing and do well in pots. As for pruning, acers do bleed if they are pruned in the growing season. Tip the Japanese maple's pot to its side carefully so as not to jar the tree. Your cart is empty. However, the porosity of these pots means the compost dries out quickly and the weight makes them difficult to move around. Last year I got a 6-7’ Japanese maple bloodgood which came in great condition but in a very small pot - I literally had to cut the plastic pot to get the plant out .... it was never coming out otherwise! Can you poss update, did it survive well and thrive? Acers grow impressively, and when planted in pots, one thing you will need to look out for is outgrowing the pot. Beni Maiko is a dwarf Acer Palmatum growing to 2-3 feet in 10 years and can be kept in a large pot or used in even a small garden. Good potted fig tree care must include knowledge on how to prune fig trees in containers. If it is very dry outside your maple certainly appreciates a bit of water. For example we have several Acer Japonicum aconitifolium ("The Fern Leaf Maple") plants are perfectly happy to be kept to a size less than 4 feet (1.22m) in height. The spring is when the maple has the most sap. Caring for a Japanese Maple in a Pot If you want a healthy, happy, container grown Japanese maple, you’ll need to plant your tree in a container that is about twice the size of the tree’s root system. Click here to find the best lavender varieties for your pots and containers . It … Otherwise, move the pot to a more sheltered location. Our choice would be to use terracotta or glazed pots. Simply cut the dead wood back to a pair of live sprouting buds - about 2cm - 1in above. 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