Unhealthy Looking Hydrangea, It Has Yellowing Leaves . Have Fed With Ericaceous Feed.

Question

I have six bushes in a row and numbers two and three are affected. All others are healthy.

• 

Answer 1

It appears as sun damage.Some are a little more tolerant of bright sun than others, but only tree hydrangeas can survive in full sun. Other than that, they need a significant amount of shade.

Here is an article that will help you to care for the shrub:

https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/growing-hydrangeas-hydrangea-care-guide.htm