From the source "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press): A medium sized shrub to about 5' high. Co...Read Morerymbs are large, the single florets forming a ring, sepals are entire, usually four per floret. Flower color is dark lilac to violet, or even pink depending on soil conditions. Flowering period is long - June to September, with often a second flowering produced on lateral buds. Suitable as a pot plant but NOT for outdoor cultivation. Blaukehlchen means "bluethroat."
From the source "Encyclopedia of Hydrangeas" C.J. and D.M. Van Gelderen (2004 - Timber Press): A medium sized shrub to about 5' high. Co...Read More