Top shot of a French Hydrangea's Inflorescence ; Flower color is determined by the soil pH. In acid soils the flowers will be blue. In neutral or alkaline medium soil, the flowers will be pink, white or pale green.
Gilles Mermet / Biosphoto
View author's portfolio
JPEG bitmap image
Image size: 3292x4100 pixels (11"x13.7" @300dpi)