Royal Purple Cotinus Cog - Knowledgebase Question

Laval, QC
Question by IreneDore
August 21, 2005
Does this small tree need to be cut down at any time of the year (fall/spring), or do I just let it go... Zone 5... also, it is now 2-1/2 ft H... how many years to maturity.... thanks Irene

Answer from NGA
August 21, 2005


It isn't necessary to prune your Royal Purple Smoke Tree, but you certainly can. To keep the plant shrub-like, cut all stems back to within 2-3 buds from the base, annually in early spring. For growing as a tree, in late winter to early spring, only remove crossing or wayward stems to maintain a healthy frame. Royal Purple Cotinus has the potential to grow 15 feet tall and wide. It is a moderately growing plant so expect it to take 8-10 years to reach mature size.

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