|
|||||
|
"Clematis Have Different Pruning Methods" Q. Please tell me how to make clematis bloom. I don't know which ones to cut back. Any help would be appreciated. A. Clematis are one of the most beautiful of the flowering vines. Spectacular flowers, many large, star-shaped, come in a rainbow of colors and markings in hundreds of cultivars and species. There are varieties that bloom in spring, summer, and fall. All clematis share cultural conditions of full sun (they like their tops in sun and their roots in cool shade) and moderately moist soil that is humus-rich, drains freely, and is slightly alkaline. Clematis should be planted so that a few inches of stem is buried under the soil level. If the vine is damaged or succumbs to disease, new shoots will emerge from below the soil line. Clematis are grouped according to pruning technique. Each cultivar or species of clematis falls into one of three groups. Group one: This group of clematis blooms in late spring on the previous year's stems. Flowers are produced on short flower stalks borne in groups of two or more. The flower stalks grow from a leaf axil bud. Because this group blooms from old stems, pruning is done right after flowering. Pruning is limited to cutting away any dead or weak stems. Group one clematis include alpina, armandii, chrysocoma, cirrhosa, macropetala, montana, and vedrariensis.< Group two: This group of clematis also produces flowers on the previous year's stems and includes early- and mid-season large-flowered hybrids and double and semi-double types. Flowers are produced on single stems that have grown out of last year's leaf axil buds. Pruning is done in late winter or early spring and involves cutting away dead and weak stems and the rest of the stems to right above the last pair of strong buds at the tip of the stems. Group two clematis include 'Beauty of Worcester,' 'Bees' Jubilee,' 'Corona,' 'Countess of Lovelace,' 'Duchess of Edinburgh,' 'Henryi,' 'Miss Bateman,' 'Nelly Moser,' 'Niobe,' 'Proteus,' and 'The President.' Group three: This group of clematis blooms in midsummer, on current season's growth. Pruning is also done in late winter or early spring. Prune severely to just above the bottom of last year's growth. For a bushier base and more stems, cut back to just above the first pair of strong buds above the ground. Group three clematis include 'Comtesse de Bouchaud,' 'Ernest Markham,' 'Gipsy Queen,' 'Hagley Hybrid,' integrifolia, jackmanii, 'Lady Betty Balfour,' maximowicziana or paniculata (sweet autumn clematis), orientalis, tangutica, 'Ville de Lyon,' and viticella. Click here to order clematis from Pernell Gerver's Online Store
Click here to submit gardening questions for Pernell Gerver's online Q & A column. |
© Copyright Pernell Gerver, Horticultural Communication Services All rights reserved.