Landscape Plants of the Upper Midwest

Sweetautumn Clematis

{Picture of Sweetautumn Clematis}

Plant Information

  • Plant Type: Vine
  • Scientific Name: Clematis maximowicziana Play audio of plant name
  • Family: Clematis
  • Zone: 4
  • Bloom Time: Fall
  • Bloom Color: White
  • Habit: Twining tendrils
  • Culture:

    Adaptable. Full sun to partial shade. A twining vine.

  • Notes:

    It is spectacular in September when covered with sweetly fragrant white flowers. Once established is quit vigorous and will often die back considerably in severe winters only to return with a vengeance.

  • How vines climb:

    The means by which vines climb can be divided into two broad categories: those that twine around a supporting structure, and those that hold onto structures by use of holdfasts.

    Twining: Twining vines wrap around a support using tendrils, petioles or the stem of the vine. These vines require a support structure that facilitates twining such as a fence, arbor or trellis. When these vines become overgrown they can be renewed by cutting the entire plant back severely in early spring.

    Holdfasts: This group of vines attach using holdfasts or aerial roots, structures that fasten the vine stem by sticking directly to a structure. These vines can affix to almost any surface, but are best used on masonry. They are not recommended on wood structures as they create a moist environment that can lead to rot, and the holdfasts are difficult to remove and may damage the wood

  • Pruning:Pruning animation

    When overgrown, this vine may be renewed by cutting it back to 1' - 1 1/2' above the ground level just above a few strong buds.

    Rigorous pruning such as this should only be done when the vine is dormant, late fall to early spring.

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Landscape Plants of the Upper Midwest

Bill Hoch, Associate Professor
Montana State University

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