Mimosa tree - Knowledgebase Question

Vancouver, WA
Avatar for Garry2rsk
Question by Garry2rsk
September 17, 1998
Is a mimosa tree considered a nuisance tree and if so why? I have one and it's beautiful but only 3 or 4 years old. If I'm going to have trouble with it, I would like to know now before it gets any bigger. My mimosa tree is currently about 15 to 20 feet tall.

Answer from NGA
September 17, 1998
The mimosa tree, otherwise known as the Silk Tree (Albizia julibrissin), is a rapidly growing tree that can reach 40 feet tall with a 50-foot spread. That said, any mimosa tree can be pruned to keep it smaller (10-20 feet). The beauty of the mimosa tree is the pink plume-like flowers it bears in the summer, and the feathery foliage that folds up at night. A mimosa tree looks best when pruned back and allowed to develop multiple trunks. They can be messy, though, and that's where their reputation as a nuisance comes into play. If you plant your mimosa tree next to a patio or deck, you'll have to remove the litter of fallen leaves, flowers, and seed pods frequently. If the tree is planted in a lawn area, cleaning up is as easy as running the lawnmower beneath it. My vote is to keep your mimosa tree - its virtues far outweigh any problems that might occur with fallen leaves and flowers.

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