Hydrangea Plants

Blue Hydrangeas

norman added on May 30, 2011 | Answered

I planted two blue hydrangeas. They started growing good but now they are turning yellow. Will red cypress mulch kill or hurt my hydrangeas? Also, can I use Epsom salts?

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Certified GKH Gardening Expert
Answered on June 3, 2011

The red cypress is not the problem. They likely need more water. If they are newly planted, they need lots of water until they are established. Increase watering and that should help.

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