Caption: Clematis 'Henryi' 24W19 Clematis S1- (Clematis) Queen of the Vines Clematis, Mature plant size: 4-6ft., WHITE, USDA Hardiness Zone 5, Michigan Bloom Week ISO WW20, In Garden Bed S1 for 6.9 YEARS (Bluestone). Planted in 2017.Missouri Botanical Garden: 'Hen