7/28/2023 0 Comments Paperbark maple griwing zones![]() Tamukeyama– A strong, fast growing variety, its thick leaves change from green to bright red or dark purple. Inaba Shidare– This plant will quickly grow to 5 feet. The bright red bark offers striking color all year long (and looks amazing against a snowy backdrop!) It will grow to 15 feet and is said to be very cold tolerant. One post from a gardener in Ithaca, New York (known for their long, cold winters where the temperature is often below zero) said he has a Katsura that has survived outside for over ten years.īeni Kawa/Beni Gawa– This maple has an upright, vase shape with dark green leaves that change into golds and reds. They typically have a hardiness zone of 6, but I read many posts from gardeners in colder zones who had good luck with it. They have beautiful light green leaves that turn bright orange in the fall. Katsura– Katsura’s grow to about 15 feet. Johin– Johin have thick red leaves (hints of green in the summer) and grow 10-15 feet. They have the “standard” red leaf and can reach 20 feet tall. They look like what what most people think of when you say “Japanese maple”. Palmates– (Leaves divided 2/3 – ¾ down the base)Įmperor 1– These are very similar to a bloodgood, but are a little hardier. They are green spring and summer and are well known for the intense crimson they turn during the fall. Osakazuki– This straight growing, round headed, tree has large leaves. Sponsored: Sign Up To My Free Gardening Newsletter and Get 10 Free Gardening Gifts ![]() Here are some hardy varieties of Japanese maple that should hold up well in cold temperatures:Īmoenum-(leaves divided up to 2/3 down the base) You do not want to warm your roots too much, causing the plant to “wake up”. Japanese maples make terrible houseplants.) If your garage gets very cold, you will need to insulate your container or keep a heating pad set to low under it to keep your root temperature from dropping below 14 degrees. Be sure to let your plant go dormant before moving it to a sheltered location (like an unheated garage) for the winter. For zones with extremely cold winters, Japanese maples can be grown in containers. If sunshine is scarce in your area, you may find that the green varieties do better in full shade. This will not only prevent them from freezing, but will the roots will warm slowly in the spring. Since the roots lie relatively shallow, it is important to mulch well. It could encourage new growth that will never survive the bitter winter season. Covering the trunk with a tree wrap helps.Īvoid pruning in late summer and early fall. Daylight warmth from the southern sun mixed with drastically cold nights can cause splits in the bark. It is best to plant on the north or east side of your house. Your house reflects heat off of the southern and western sides which can warm your plant, causing it to prematurely emerge from dormancy. Winter heat sources and late spring frosts can be deadly. The real issue is disruption of dormancy. Cold weather isn’t the main problem with growing Japanese maples in low zones.
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