Climbing Hydrangeas
Q.

Hydrangea Vines

Anonymous added on May 12, 2011 | Answered

There are brown spots on my hydrangea leaves.

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on May 13, 2011

Various fungal spots can develop on hydrangea leaves and are normally triggered by too much or too little water. Spots also develop when hot sun strikes wet foliage. Water only when the soil is dry and use drip irrigation, if possible. You want the water to soak into the soil and not get on the foliage, which can lead to these fungal problems. You can also retain soil moisture by using mulch. For the fungus, treat the shrub with a neem oil foliar spray.

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