Incrediball' produces flowers that open green, then mature to white before fading to green again. Will reach 4-5' tall and wide.
Rose-pink, violet, or blue flowers on red-purple stems with glossy dark green leaves in summer. Grows 3-4' tall and 4-5' wide. Heat tolerant and resistant to powdery mildew.
Sister Theresa' produces massive, true-white blooms. It will grow to be 4-5' tall and wide at maturity.
Blue Billow' produces blue, lace-cap flowers against dark-green foliage. Profuse bloomer. Grows 3-4' tall and 4-5' wide.