Mildred' has large, pale-lavender, single flowers that bloom during spring. Dark-green foliage keeps its luster through the seasons. Reaches 3-5' tall and 4-5' wide.
The 'Windy Hill' variety averages at 5' tall and wide and produces fragrant purple flowers that bloom from mid-summer into fall. It has a spreading growth habit and is known for having strong, upright stems. Cold hardy, withstanding zones 5-8.
