But there is less inconsistency than in Survey A. Two plants completely fill two 5' tall trellis and I have to cut off the top growth periodically because of the heavy weight at the top...so no idea how tall this would actually grow. Jackman's clematis is a very old and well known clematis with large, dark purple flowers. Showy, deep violet-purple flowers are slightly broader than those of C. 'Jackmanii' and will cover this climbing vine throughout most of the summer. Ernest Markham From top level menus, use escape to exit the menu. Roots should be kept cool, shaded and uniformly moist. Jackmanii Superba can be grown in the garden or in a large pot. I cut down to the ground in the fall. Views: 2353, Replies: 15 » Jump to the end. Plantez-la dans un sol fertile, humifère, bien drainé, en ombrageant les racines et la base de la tige (avec une tuile plate par exemple). An excellent vine for adding vertical interest to the landscape on a fence or trellis, or along rock walls. La Clematis jackmanii 'Superba' appréciera une situation de soleil ou d’ombre légère. Column eight averages the results for columns one to three and five and six. This pic is dated 7/3 so I have a full bloom then. Les clématites préfèrent les sols humides et alcalins. I purchased this plant two years ago because I wanted something that would be vigorous, and then I heard it wasn't so great. Should I discard it and get something new, and what … The Clematis Jackmanii Superba has large sepals in purple on each head, it will grow in any aspect and flowers from june to sept each year. But the genetic background of the two groups may be similar. Name: Karen Minnesota (Zone 4a) Cookies4kids Apr 30, 2015 5:07 PM CST . This will be its third year and it only has one main stem. It is the picture that comes to mind when the word clematis is spoken. There are a number of hybrids derived from this species and they are known as the Jackman group or the … Root areas may be shaded with perennials, annuals or small shrubs. Clematis forum: Jackmanii Superba. I seem to get another full bloom mid-fall. 'Jackmanii Superba' is considered to be a pruning group 3 plant. Grimpants; Clematis; Sélection très florifère de clématite aux grandes fleurs mauves, de 15 à 18 cm de diamètre. Deciduous. Zone 5, west wall, full sun. Its large 5 -inch blooms are a delicious dark purple, making it on of the prettiest flowering vines. Clematite / ClematisClematis x "Jackmanii Superba" Le rendu de la plante peut varier en fonction du moment dans l'année. Clematis vines need a trellis or other support on which to grow. A thick root mulch is appreciated. The most popular of the clematis vines. Jackman's clematis is a hybrid plant, which is why the botanical name of this buttercup-family member is sometimes given as C. x Jackmanii, the parents being C. lanuginosa and C. viticella. Is this clematis Jackmanii vs The President? La clématite flétrit en sol trop humide. difference between clematis jackmanii and jackmanii superba. Do not allow soils to dry out.