United Kingdom 
hi there, would like to know if i should cut off dead or dying flowers from a hydranga it is a potted plant in my garden.
9 Jun, 2017
Answers
the old flower heads can look good rimed with frost.
welcome to GoY too :o)
9 Jun, 2017
Usual practice is to leave them on over winter for some frost protection and then trim them off just at the very beginning of bud break.
10 Jun, 2017
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No need, unless you feel it improves the appearance of the plant. It won't flower again this year whatever you do.
9 Jun, 2017