Endless Summer Hydrangea - Knowledgebase Question

St. Louis Park, MN
Avatar for dmaslp
Question by dmaslp
June 26, 2005
My Endless Summer hydrangea is wilting and not looking very good, but the three next to it look fine. Can they get too much sun? It gets morning sun, but it has been very hot lately. I try to water it every day--can it get overwatered?

Answer from NGA
June 26, 2005
Hydrangeas tend to wilt when they're planted in full sunshine. The wilting may make you think that it needs water, but in reality the plant is reacting to hot afternoon sunshine by slowing down its transpiration rate. Overly wet soils will not help the leaves perk up but it can suffocate the roots. Instead of watering everyday, water your hydrangeas deeply once a week (twice if the soil drains quickly and the weather is hot). If this hydrangea is the only one that wilts, it may be happier in a spot that provides filtered afternoon sunshine. Best wishes with your garden!

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