Ask a Question forum: Prune hydrangeas?

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Name: Lisa Olson
Washington DC (Zone 7a)
Feb 7, 2017 1:35 PM CST
I pruned my mop head hydrangeas last year after they bloomed. Thing is, I can see lots of dead canes I missed. If I should clip the old canes now, will that affect this year's blooms?
Name: Daisy I
Reno, Nv (Zone 6b)
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Feb 7, 2017 1:53 PM CST
You said the canes are dead. Pruning out dead wood can only help the plant be healthier.
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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Feb 7, 2017 1:54 PM CST
What kind of mophead is yours?

I'm not an expert on Hydrangeas but I know there are older varieties that only bloom on old wood but also newer varieties that don't much care how or when you prune them because they are ever-blooming as long as you keep them deadheaded.

Perhaps the folks on the Hydrangea forum could better answer your question.
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Name: Sue
Ontario, Canada (Zone 4a)
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Feb 7, 2017 2:03 PM CST
I agree with Daisy, if the canes are actually dead then cutting them won't have a negative effect on this year's blooms.
Name: Lisa Olson
Washington DC (Zone 7a)
Feb 7, 2017 2:20 PM CST
Thanks, all. Turns out I didn't need to use pruners to take out the old canes, just gave 'em a tug. Yep, they were that old.

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