Pruning lilac bush - Knowledgebase Question

Plainfield, Il
Question by gfischetti7
April 24, 2010
I have an older lilac bush, the bottoms are bare, how far back can I prune? It's getting almost too tall for its spot.

Answer from NGA
April 24, 2010


The general rule of thumb is to prune lilacs back by about one third in a single pruning session. If yours needs to be reduced by more than that, plan on pruning it back again next spring after it has finished flowering.

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