Vine
Clematis, Jackman
Clematis x jackmanii
Features
Large, showy flowers in a variety of colors (dependingonthe cultivar selected). After flowering, small fruit with long silky hairs are produced.
Culture
Best if the plant receives some shade in the heat of the day. Soil should be moist, but well drained. Mulch is essential for keeping the root system cool.
Cultivars
Numerous cultivars available. Check local garden centers for cultivars available in your area.
Mature Height
5-10 Feet
(Hardiness will vary by cultivar.)
USDA Hardiness Zone
4 - 8
Bloom Color
Bi-color
Blue
Lavender
Pink
Purple
Red
White
Bloom Season
June - September
Soil Conditions
Moist, Well-Drained
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
Method of Attachment
Twining
Foliage Color
Green
Fall Foliage Color
Green
Pests and Problems
Environmental Damage
Herbicide Injury
Additional pests and problems that may affect this plant:
Leaf spots and stem rots are common problems.
Additional Notes
Related Resources
Home, Yard & Garden Pest Guide
The Home, Yard & Garden Pest Guide (C1391) provides is written for homeowners and other residents and provides nonchemical and current chemical recommendations for controlling pests associated with trees, shrubs, turf, flowers, groundcovers, vegetables, fruit, and houses. In addition, you'll find detailed information about integrated pest management, pesticide safety, and pesticide application and calibration techniques. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "C1391").
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Illinois Commercial Landscape and Turfgrass Pest Management Handbook
The Illinois Commercial Landscape and Turfgrass Pest Management Handbook (ICLT) is written for professional applicators and provides nonchemical and current chemical recommendations as well as application timing information for all major pests of turf, woody ornamentals and herbaceous ornamentals. This publication may be purchased at your local University of Illinois Extension Unit office, or by calling 800-345-6087, or by placing an order online (search for "ICLT").
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U of IL - Distance Diagnosis through Digital Imaging
A free plant, weed, insect and disease identification service available through your local University of Illinois Extension office. Center Educators or State Specialists review & respond to information and digital images submitted by local Extension office personnel. Some samples may require further examination or culture work (nominal fee involved) at the U of IL Plant Clinic.
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U of IL - Plant Clinic
Services include plant and insect identification, diagnosis of disease, insect, weed and chemical injury (chemical injury on field crops only), nematode assays, and help with nutrient related problems, as well as recommendations involving these diagnoses. Microscopic examinations, laboratory culturing, virus assays, and nematode assays are some of the techniques used in the clinic.
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