John Holland Well-Known Member Aug 28, 2018 #1 I came across a very blue hydrangea in Freising, Germany
Pete Askew Admin Aug 31, 2018 #2 Blimey, that is blue - they must have check sulphuric acid in the soil! We have one that is a very delicate, dusky pink.
Blimey, that is blue - they must have check sulphuric acid in the soil! We have one that is a very delicate, dusky pink.