Clematis x jackmanii 'Superba'

Superb Jackman Clematis, Improved Jackman Clematis

The garden edict of keeping their heads in the sun and toes in the shade is fitting for these vines. Mulch to keep ground temperatures cool and moist, but give direct sun to encourage their large, showy blooms. Many will thrive in partial sun locations, especially in hot-summer climates. Plants attach to supports with twining leafstalks, and so climb up trellises, walls, poles, and trees and over shrubs. Prune to control size, encourage fuller, lower growth and vigorous flowering. Spring-blooming Clematis flower on last year's growth, so prune after flowering. Summer and fall bloomers flower on current spring growth, so prune in the late fall or early spring. Those that bloom in spring and again in summer or fall flower on last year's growth in spring and on new growth in summer or fall. Only light pruning is needed in fall or early spring. Watch for stem-rot, leaf-spot, wilt and mildew.
Clematis x jackmanii, Superb Jackman Clematis, Improved Jackman Clematis
An improved version of C. jackmanii, its large, dark violet-purple flowers grow up to 5 inches across. Watch for mildew in shady locations.

Attributes - Clematis x jackmanii 'Superba'

Plant Type: Vine

Bloom Season: Early Summer through Mid Summer

Flower Color: Magenta, Purple

Foliage: Deciduous

Height: 8 ft. to 12 ft.

Width: 10 ft.

Sunlight: Full Sun

Climate: Zones 4, 5, 6, 7, 8, 9, 10

Notes: Thrives in Wet Soil. Cut Flowers, Showy Flowers. Susceptible to Black Spot, Powdery Mildew, Scales, Spider Mites, Whiteflies.

Related Plants

Clematis 'Carnaby', Clematis 'Comptesse de Boucharo', Clematis x 'Duchess of Edinburgh', Clematis x 'Ernest Markham', Clematis 'General Sikorski', Clematis 'H F Young', Clematis x 'Hagley Hybrid', Clematis x 'Henryi', Clematis 'Huldine', Clematis 'Madame Edouard Andre', Clematis 'Mme Julia Correvon', Clematis x 'Nelly Moser', Clematis 'Prince Hendrick', Clematis x 'Ville De Lyon', Clematis alpina 'Frances Rivis', Clematis armandii, Clematis dioscoreifolia robusta, Clematis integrifolia, Clematis x jackmanii, Clematis lanuginosa 'Candida', Clematis lanuginosa 'Empress of India', Clematis maximowicziana, Clematis montana 'Elizabeth', Clematis montana rubens, Clematis paniculata, Clematis patens 'The President', Clematis tangutica, Clematis texensis, Clematis viticella 'Betty Corning', Clematis viticella 'Etoile Violette'
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