Perennial Geranium Also called cranesbill for the shape of its seedpods, perennial geranium makes a great groundcover on sites with clay soil. It grows in full sun to part shade, and blooms profusely in spring. Some varieties continue to bloom throughout the summer. Many develop wonderful fall color to boot. Name: Geranium selections Zones: 3-9
The pincushion-like flowers of knautia are a striking reddish-purple color. They are carried on slender branched stems that weave gracefully among nearby plants. Knautia is ideal for cottage or wild gardens as well as more formal sites.
Butterfly Blue pincushion flower is a nonstop bloomer in the sunny border. The cushion-like blue flowers are borne on slender stalks reaching 12 to 15 inches tall and are a surefire way to attract butterflies.