Robbie's Twist' has an upright growth habit with a slightly twisting structure. It will slowly reach 6-8' tall and 3-4' wide. Foliage turns vibrant yellow in the fall.
The 'Carousel' is prized for its white blooms that are lined with a speckled band of purple hues. This is a larger variety that will reach 6-8' tall and wide at maturity. Evergreen and deer resistant.