Butterfly Bushes

ok to trim in the fall butterfly bush,hydranga,weeping cherry tree,spyarea

Zone vicksburg mi. 49097 | cgirolami added on October 9, 2018 | Answered

best time to trim fall or spring

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Certified GKH Gardening Expert

Answered on October 10, 2018

In Michigan winters, butterfly bush dies back almost to the ground. If leaves have dropped, it's OK to prune it down to 9 inches. Don't prune any of your plants if leaves haven't dropped. They are busy getting themselves ready for winter and dormancy. This takes about a month. Pruning during that month sends the opposite signal to the plant: grow, baby grow! Fragile new growth is then killed by winter. Spirea can be pruned anytime except spring and reducing them, even thinning out some interior branches once the leaves drop, will lessen the risk of heavy snow causing damage.

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