Chinese Bellflower, Balloon Flower
Origin: East Asia
small shrub 2-5 ft, full sun, semi-shade, moderate water, regular
water, white/off-white flowers. blue/lavender/purple flowers, pink
flowers, ethnomedical, subtropical, cold hardy at least to 30s F for
a short time
The name Ballon Flower is based on the unopened flower buds which
look like little balloons.
Good for the Rock garden, border or as a ground cover.