Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
The exact answer would depend on which type of Hydrangea you have but for the most part if the can is 'dead' it is safe to clip it back to the point where you see the leaf buds swelling.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
