The 'Purple Cow' is a mid-sized variety that produces large clusters of purple blooms that will persist through the summer. It will reach 6-10' tall and 4-5' wide at maturity.
Winterthur' has white flower clusters that bloom in late spring, followed by clusters of berries that change color as they ripen. Dark-green leaves turn dark, purplish-red in the fall. Keeps an upright habit, reaching 6-10' tall and 5-6' wide.
