25+ Hydrangea Flowers Turning Brown. You likely pruned your hydrangea at the wrong time — and cut off all its new blooms. Other factors can turn hydrangea flowers brown.
Panicles of white flowers turning pink, then brown.
This variety flowers on both old hydrangea flowers change their colour overtime based on the soil acidity and presence of are yew tree berries poisonous why is my yew tree turning brown or yellow how to prune a yew. Plant them in an area that receives afternoon shade to protect the flowers from the hottest part of the day. For example, hydrangea flowers can wilt and the edges of the petals can turn brown from heat stress. Hydrangeas are a classic flower that are a favorite amongst florists and gardeners.