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They never need to be pruned. Now if you wish to remove the dead blooms that is fine. You do this with small shears or garden sissors just below the bloom. Now if you feel that the bush is just to big for you, you will need to wait until after the spring. They produce their blooms for the next year in the fall so if you trim them then, you will loose your next years flower. So wait until after the spring bloom and before Aug. to do this.

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15y ago
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15y ago

I've had bridal veil spirea for over 20 years, they are my garden favorite in the spring. They are very hardy and can take a hard pruning. This year I have cut mine back to about a foot. They were over 7' and starting to leaning forwad in an ugly position. After cutting them back this far, they will not bloom this year but will have a very healthy bloom the following year. Again, they are very hardy and can take a heavy pruning. The best pruning times are in the early spring, (this will affect the volume of bloom) and the early autumn. Light pruning can be done through out the year.

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Q: How do you trim flowers off a hydrangea bush?
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