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The strong-growing wild species and their varieties can green fences, grow on pergolas or they can be climbed into trees. The large-flowered clematis hybrids are mainly used for trellises on house and garage walls, rose arches or for obelisks. They are also often combined with climbing roses. Long flowering, compact growing varieties can grow well in a bucket on a trellis. The perennial clematis fit into the bed and can be combined there with other perennials and grasses. Also for use as ground cover some species are suitable.
The clematis have to be cut differently depending on flowering time and growth form. They are therefore divided into three sections. to Section group 1 From April to June flowering wild species such as the alpine clematis or mountain clematis and their varieties belong. You do not need to be cut regularly. If after years a rejuvenation cut is required, so that the plants do not age, you cut immediately after flowering in early June, all shoots back to the desired length. The plants then have until the bud formation in the late summer time to form new shoots.
Section group 2 includes all Large-flowered Clematis hybrids that flower twice a year, once in May / June and once in August / September. In November / December all shoots are cut back to about one meter. In order to stimulate a second bloom, you should also cut off after the first flowering in mid-June all fruit stands with the underlying pair of leaves.
Among the species and varieties of Section group 3 All shoots are cut in November / December to 20 to 50 inches above the ground. These include all perennial Clematis, Clematis viticella and their varieties and the well-known hybrid variety 'Jackmanii'.
Clematis montana 'Rubens' likes to cling to facades and flowers from May to June
Important for Clematis is the right location. If this is correct, the care can be limited to the annual fertilization in the spring and the cut. Forest vines need a deep, well-drained, sandy-humus or -lehmigen soil. Most clematis want a cool, shady root and sun around the flowers. These claims can be met by planting low shrubs or large-leaved perennials such as Funkia or Rodgersia in the root area
Clematis varieties can be propagated in late spring by half-ripe cuttings. Propagation by offshoots is also very easy: simply lay a shoot on the ground and cover it with damp humus soil in places. In the course of the season, it forms roots in these places and can then be divided into several pieces in the fall.
Diseases and pests
The clematis wilt is a dreaded fungal disease that can be caused by various pathogens. It comes relatively suddenly to the wilting of whole shoots and the dying of the plant. Above all, the large-flowered hybrid varieties are affected. Often it is especially at too warm locations to the onset of the disease.