Thay suck up water so really ammend the soil
Why are the leaves on my hydrangeas curling up and turning brown?
ya what that guy said there not allowed to be in sun they have to be in shade or they will burn up
Reply:I FOUND THREE REASON'S NOT ENOUGH WATER AND NOT ENOUGH SHADE, NOT ENOUGH ACID FEEDINGCHECK ALL THREE AND ACOMMADATE
Reply:allot of sun.see if you can relocate the plant to a less sunny area.