Scientific Name: Clematis × hybrida 'Henryi' Common Name: Henryi Clematis Hardiness Zone: 4-11 Hardiness Degree: Hardy to -30°F (-34°C) Blooming Season: Late spring to early summer and late summer to early fall Plant Habit: Vigorous, deciduous climber Characteristics: Features large, pure white, star-shaped flowers measuring 6-8 inches (15-20 cm) across, with contrasting dark brown anthers; blooms primarily in late spring to early summer, with a second flush in late summer to early fall; ideal for growing over arbors, trellises, pergolas, and other garden structures; attracts pollinators; deer-resistant. Water: Prefers well-drained, organic, moist soil; avoid waterlogging. Fertilize: Apply a balanced, slow-release fertilizer in early spring to support vigorous growth and abundant blooms. Spacing: Space plants 3 to 5 feet (0.9 to 1.5 meters) apart to accommodate their spread. Height: Grows 8 to 12 feet (2.4 to 3.7 meters) tall. Width: Spreads 3 to 5 feet (0.9 to 1.5 meters) wide. Exposure: Thrives in full sun to partial shade; full sun promotes optimal flowering. Pruning: Belongs to pruning group 2; prune in late winter or early spring before new growth begins by removing dead or weak stems and cutting back some stems after the first flush of flowers to encourage a second bloom.
