Get deals and low prices on clematis jackmanni at amazon · jackman s clematis (clematis jackmanii) has earned its role as one of the most popular of all flowering vines. Showy deep purple-violet flowers cover this climbing vine throughout most of the summer. Find out how to grow and care for jackmanii clematis this season! The vine was first introduced in 1862 as a modern large-flowered hybrid clematis plant to grow in the garden. Learn how to grow and prune this plant. · looking for a unique vine to add to your garden? Clematis jackmanii [ klem’-a-tis, jak-man-ee-eye] is a cultivar of the clematis genus and part of the buttercup family ranunculaceae. Clematis jackmanii is a tried and true commonly grown vine , and it has been in cultivation for a long time. From early spring throughout summer, vigorous blooms consistently cover the plant, creating a spectacular garden display. Among the most popular and easy to grow, clematis ‘jackmanii’ is a lovely deciduous vine that gets covered with a profusion of velvety dark purple flowers, fading to violet over time and harmoniously contrasting with the greenish-cream anthers. · what is a jackman clematis ? First introduced in 1862, the jackmanii clematis vine is named after a nurseryman named george jackman. Jackman clematis , the most popular and reliable of the clematis vines. Transform your garden with an array of plants, seeds & flower bulbs.