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Will a Potted Hydrangea Bloom Again After a Hot Summer?

Hydrangea in pot on balcony (partial shade, daily water) survived hot SoCal summer, lost blooms Sept, regrew leaves. Now healthy but no flowers. Will it bloom? How to prevent drying?

Answer

Likely H. macrophylla — should bloom again.
Fertilize with acid-plant formula (rhododendron type). Avoid high nitrogen.
Water challenge: mulch heavily, deep water weekly + when droopy. Consider tree drip rings.

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