Brown spots on hydrangea leaves and flowers are ... infested plant material or bag it and throw it in the trash. If hydrangeas have developed root rot due to waterlogged soil, reduce watering ...

Signs your hydrangea has spider mites include spider webs over ... is dehydrated is browning tips on the leaves, although brown spots on hydrangea leaves is a different common hydrangea disease.

Hydrangeas are one of the most popular garden plants, but there are some flowers that you should avoid planting near them as ...