Photo by Melody

PlantFiles: Clematis
Clematis 'Harlow Carr'

Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Harlow Carr
Hybridized by Evison; Year of Registration or Introduction: 2005

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One vendor has this plant for sale.

Unknown - Tell us

8-10 ft. (2.4-3 m)

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USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Bloom Color:

Flower Fragrance:
No fragrance

Bloom Shape:

Bloom Diameter:
Medium - 2 to 5 inches (5 to 12 cm)

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Sun Exposure:
Sun to Partial Shade

Other details:
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Unknown - Tell us

Pruning Groups:
Group 3 - Summer/Fall bloomers; prune hard in early spring

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By Kell
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By Kell
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive jackidee On Jul 7, 2010, jackidee from Sherwood, OR wrote:

I wind this along a deck railing, and it blooms heavily for a long time. Nice cut flowers, too.

Positive mfmartin On Apr 28, 2006, mfmartin from Takoma Park, MD wrote:

Different sources of information categorize this plant into different pruning groups -- 2 or 3. I usually prune it hard to almost ground level every year because of the space I have, but it comes always right back up. Vigorous bloomer, but you really have to stake it carefully or the fragile stems will break and you lose a lot of growth all of a sudden.

Neutral Kell On Jun 3, 2005, Kell from Northern California, CA (Zone 9b) wrote:

This clematis is 1 of 4 of the Raymond Evison Signature Series developed for the Bicentenary Plant Collection to celebrate 200 years of the Royal Horticultural Society, the United Kingdom's leading gardening association.

These clematis were developed for their strength, resistance to disease, and long flowering habit. They are supposedly a great improvement over the older cultivars. They have the longest blooming time of any other clematis for it goes from June thru October.

The 4 clematis in this collection by Raymond Evison are
Wisley, Rosemoor, Hyde Hall and Harlow Carr, all are named after the four RHS gardens.


This plant has been said to grow in the following regions:

Elk Grove, California
Takoma Park, Maryland
Sherwood, Oregon
Lansdowne, Pennsylvania

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