After your old wood hydrangeas' blooms have faded, you can deadhead those spent flowers, but don't go further than the first set of buds. Some hydrangeas prefer a hard pruning. "Smooth hydrangeas ...
STEP 1: Deadhead any withered flowers that remain on the hydrangea bush. How to Prune Hydrangeas That Bloom on Old Wood How to Prune Hydrangeas That Bloom on Old Wood STEP 2: Remove branches that ...
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