Trim a Butterfly Bush?


Old 09-20-07, 04:41 PM
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Question Trim a Butterfly Bush?

We have two beautiful Butterfly Bushes in our landscaping that have grown tall and wide. Last year as winter came close and I looked at the bushes I wondered if they need trimming but that got put off
This year I would like to know at least if they're normally trimmed or just let grow wild. I did notice the old flowers don't drop. So, would trimming these dead flowers help in any sort of way? How about trimming the bush in general?
Any advice would be greatly appreciated
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Old 09-20-07, 10:15 PM
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Commonly, a butterfly bush is trimmed to about 12" tall in winter. It will grow back easily in spring. You can just leave them, but they seem to appear more vigorous if trimmed.
Old 09-20-07, 11:59 PM
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You can deadhead the spent flowers and you will have more flowers appear. If it's too wild for you for the winter you can prune it by half after the finish of bloom, but the best time to prune them for size control is just before bud break in late winter or early spring. If you prune too severly in fall you risk a dieback to the roots over the winter.


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