Hydrangea macr. 'Gertrud Glahn'

Hydrangea macrophylla 'Gertrud Glahn' is a medium-sized, compact, richly flowering bulbous hydrangea. This hydrangea blooms from July to September with light pink or light blue flower bulbs, depending on the acidity of the soil. The leaves are dark green, oval and serrated at the margin. This hydrangea likes morning sun and afternoon sun, but cannot stand too bright afternoon sun, which can cause leaf burn on very hot summer days. it prefers a slightly acidic moist soil, is fairly hardy, attracts butterflies and bees. Can also be planted on the coast, sea wind tolerant.