Nothing pleases the eye quite as much as the sight of Henryi in full early-summer bloom, cascading over a wall or climbing a fence. The single daisy-shaped blooms are fully 6 to 7 inches across, with a dark center and a creamy "crease" or two up the center of each petal. The effect is crisp and clean, particularly against the bright green foliage. And when Henryi shows new growth in spring, the leaves have a deep bronze hue! Henryi blooms all summer, with the heaviest flush early in the season, and has been a proven garden performer for many years. It is one of our very favorites, and we collect compliments each year from gardeners new to its rewarding pleasures!
Clematis is easy to grow in a rich, porous, alkaline soil with plenty of room for the roots to spread. Best performance is when the tops are in full sunlight and the roots are shaded, so apply a generous mulch or a shallow-rooted ground cover near the base of the vine. Very reliable performers once established, they take a season or two to get going. Henryi is a Group II Clematis for pruning purposes, which means that in early spring you should cut back the vine 6 or 8 inches to the nearest pair of strong leaf axil buds. Zones 3-9.