hydrangea - Knowledgebase Question

zanesville, Oh
Question by swood007
May 18, 2010
What is the proper year round care for my hydrangea? It does not bloom well.

Answer from NGA
May 18, 2010


Big leaf hydrangeas flower on new growth that emerges from old growth. For these, you only need to prune them down to about knee high every spring. The new growth that develops should flower. Hydrangeas need at least 4 hours of morning sun in order to bloom well. They tend to wilt in hot afternoon sunshine but will still grow and flower. I don't like to see mine wilt so I plant them in morning sunshine and afternoon shade.

If your hydrangeas die down to ground level each winter, they may not bloom well for you because they need some old growth on which to develop new flowering stems. There are some great hydrangeas for cold winter areas that bloom on both old and new growth. Endless Summer is one such plant.

Hope this clarifies things for you. Good luck with your hydrangeas.

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