It looks good scrambling over a fence, up a tree or through a rambling rose. There are Clematis varieties that bloom starting in late winter, while others bloom in spring, summer, or fall. ‘Stand by Me’ is a shrub-forming plant that works well in pots. Clematis that flower in late summer, including Clematis viticella and Clematis texensis, are in Pruning Group 3. Grow it up an obelisk in the border, or use it to cover a fence or wall. Here’s a handy guide to Clematis types and varieties. Group three, which bloom primarily on new growth and can be cut back to about 12 inches in early spring. Pruning regularly will ensure that you can enjoy flowers at eye level, rather than them all appearing towards the top of the plant. 5. Consider these five key elements before you select your Clematis plant. In addition, there are 10 basic Clematis flower shapes, and the timing of when they flower in the year: Clematis plants generally are easy-care and pleasant additions to just about any garden—once established and in the appropriate locations. Highly-scented, it was launched to a frenzy of interest at the Chelsea Flower Show 2005. Generally, most Clematises tolerate a range of Ph and are adaptable to different soil types. This is probably the best place to start, particularly for gardeners in northern latitudes. This is part of the Complete Clematis Care Guide with tips on planting, propagation, fertilizing, and more. Class 1 clematis bloom off of old wood while Class 3 plants bloom off of new wood. To ensure a robust display of flowers in summer and autumn, cut it down to a couple of feet from the ground every February or March. Unusually, it is a semi-climbing perennial that needs staking. ‘Stand by Me’ is a shrub-forming plant that works well in pots. The Class 2 clematis bloom off both old and new wood and produce blooms twice in the season. The flowers of Clematis viticella ‘Jorma’ are large, and deep purple-blue with yellow-green anthers. This classic viticella clematis bears masses of purple flowers in July and August. 250 variétés de clématites, précoces ou tardives, montana, viticella, à grandes et petites fleurs, rouge, rose, blanc; bleu, rose, noire. It will also prevent a tangled mass of stems. From the team at Gardeners' World Magazine. Clematis plants are divided into three basic groups. Examples include Clematis montana, C. alpina, and evergreen species C. armandii. Those that grow tall and wide, like ‘Happy Jack,’ can get quite heavy with growth. It’s a very vigorous climber, so give it plenty of space in which to spread. It can be grown in the ground or in a pot, but will need support. For example, ‘Viva Polonia’ is a vining cultivar that spreads 4 to 6 feet and should be spaced 3 to 5 feet from other plants. The hybrid ‘Stand by Me’ Clematis, on the other hand, is hardy to zone 3. Some are even repeat-bloomers, producing flowers in more than one season. If pruning, do so before the end of July. Sweet Summer Love Clematis Vine. Clematis groups explained; Group 1 clematis to grow; Group 2 clematis to grow; Pruning regularly will ensure that you can enjoy flowers at eye level, rather than them all appearing towards the top of the plant. These are all no prune Clematis. Most of these are the large-flowering hybrids, including ‘Diamond Ball’ and ‘Viva Polonia.’. Providing a solid structure for their vines and foliage can help prevent wind damage and breakage. Save 30 per cent on Sunday tickets* for BBC Gardeners' World Live 2021. Clematis varieties in this group generally only need a light pruning each year after blooming. Most species and cultivars are hardy to USDA hardiness zone 4, but some are not.