Clematis, 'Jackmanii'

Clematis, 'Jackmanii'
Sun Preference
Full-Sun, Part-Sun
Bloom or Harvest Time
June, July, August, September
As low as: $0.00

Description

The granddaddy of clematis, more popular than any other variety and for good reason; this variety features endless waves of rich velvet purple-blue flowers throughout the season; tough, hardy and thrives with neglect

  • Zone: 4-9
  • H 10-12'

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Details

Height: 12 feet

Spread: 24 inches

Sunlight:full sun

Hardiness Zone: 4a

Description:

The granddaddy of clematis, more popular than any other variety and for good reason; this variety features endless waves of rich velvet purple-blue flowers throughout the season; tough, hardy and thrives with neglect

Ornamental Features

Jackmanii Clematis features showy royal blue star-shaped flowers with white anthers at the ends of the branches from mid summer to early fall. It has green foliage throughout the season. The compound leaves do not develop any appreciable fall color. The fruit is not ornamentally significant.

Landscape Attributes

Jackmanii Clematis is a multi-stemmed deciduous woody vine with a twining and trailing habit of growth. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance woody vine. It is a Type 3 clematis; each spring it should be pruned back to within a few inches of the ground, as it flowers on new wood of the season. It is a good choice for attracting hummingbirds to your yard. It has no significant negative characteristics.

Jackmanii Clematis is recommended for the following landscape applications;

  • Accent
  • Hedges/Screening
  • General Garden Use
  • Container Planting

Planting & Growing

Jackmanii Clematis will grow to be about 12 feet tall at maturity, with a spread of 24 inches. As a climbing vine, it tends to be leggy near the base and should be underplanted with low-growing facer plants. It should be planted near a fence, trellis or other landscape structure where it can be trained to grow upwards on it, or allowed to trail off a retaining wall or slope. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 20 years.

This woody vine should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. Consider applying a thick mulch around the root zone in both summer and winter to conserve soil moisture and protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid.

Jackmanii Clematis makes a fine choice for the outdoor landscape, but it is also well-suited for use in outdoor pots and containers. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. Note that when grown in a container, it may not perform exactly as indicated on the tag - this is to be expected. Also note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our store for more information on how to protect it over the winter months.

SKU Container Size
C0100 #1/7" Container (1 Gallon)

* Not all container sizes may be available at this time. See store for details on specific container size availability.

More Information

Available for Pre-Order No
Bloom or Harvest Time June, July, August, September
Sun Preference Full-Sun, Part-Sun
USDA Hardiness Zone 4, 5, 6, 7, 8, 9
Common Family Name Clematis

Product Questions (8)

Gertens carries annuals, perennials, shrubs, trees, water plants, house plants, edibles, cacti/succulents, seasonal blooming holiday plants and a wide variety of bulbs and seeds!
Hardiness is the capacity of a cultivated plant to withstand adverse conditions, usually its tolerance of low temperature. Plants are given a hardiness rating by the U.S. Department of Agriculture in 11 zones based on the coldest or warmest temperature...
Yes, you can overwater plants. Especially in pots but also in the ground, however, planting in the ground allows for better water dispersion so the odds of overwatering are less. Low lying areas may be more prone to flooding. Areas with clay soil also...
A rough estimate for the last frost date here in zone 4b is the first week of May. This is not exact, as Minnesota weather can be variable, but it does help for plantings.
Use ant repellents.  Terro = Grease Ants Revenge = Garden Ants NOTE: Before bringing...
Root stimulators provide a hormone to the root system to recover faster from any damage done during the transplant process. This will also help the roots grow faster and stronger. To view Gertens recommended root stimulator, click ...
Full sun is six or more hours of direct sunlight (Note: afternoon sun is the hottest). West side: plants that like it hot and dry.  Part sun is four to six hours of sunlight including some afternoon...
Mulch helps stabilizes soil moisture and temperature. Gertens experts recommend Red Cedar mulch, from that fact that the cedar oil repels soft body insects. Place mulch 2 ...
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