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The Plant Guide

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Marsh clematis

Clematis crispa

KLEM-ah-tiss KRIS-pah Audio

A deciduous climber native to the southeastern United States, Clematis crispa bears lavender-blue, bell-shaped flowers with curly edges in summer. Its blooms are not profuse, but their elegant shape makes this plant a good choice for trellises, growing through shrubs, or planting in damp areas. The flowers are slightly fragrant and are followed by attractive seedheads. It also makes an unusual cut flower.

Noteworthy CharacteristicsLater flowering than most other clematis, and likes moister soils. Native to the southeastern U.S.

CareProvide consistently moist soil and full sun or partial shade. Clematis like their roots to be shaded. Plant root ball 3 inches below soil surface. Prune in early spring before growth begins by cutting back all the previous years stems to a pair of strong buds, 6 to 8 inches above the ground.

PropagationSow seed in a cold frame as soon as ripe. Divide or take cuttings in spring. Root semi-ripe cuttings in early summer. Layer in late winter or early spring.

ProblemsScale insects, whiteflies, earwigs, and aphids can occur. This species is susceptible to wilt, which can be fatal.

  • Genus : Clematis
  • Plant Width : 1 to 3 feet
  • Zones : 10, 11, 5, 6, 7, 8, 9
  • Plant Height : 6 to 10 feet
  • Characteristics : Fragrant Flowers, Showy Seed Heads
  • Light : Full Sun to Partial Shade
  • Moisture : Medium to Wet
  • Growth Rate : Moderate
  • Maintenance : Moderate
  • Plant Type : Perennials
  • Bloom Time : Summer
  • Plant Seasonal Interest : Summer Interest
  • Flower Color : White
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