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PlantFiles: Clematis
Clematis 'Mrs. James Mason'

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Mrs. James Mason
Hybridized by Fretwell; Year of Registration or Introduction: 1984

» View all varieties of Clematis

Group:
Unknown - Tell us

Height:
6-8 ft. (1.8-2.4 m)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Bloom Color:
Medium Blue

Flower Fragrance:
No fragrance

Bloom Shape:
Single
Flat

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

Bloom Time:
Mid Summer
Late Summer/Early Fall

Sun Exposure:
Full Sun
Sun to Partial Shade

Other details:
Average Water Needs; Water regularly; do not overwater

Danger:
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Pruning Groups:
Group 2 - Repeat bloomers; prune immediately after flowering

Patent Information:
Non-patented

Propagation Methods:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By Marlina
Thumbnail #1 of Clematis  by Marlina

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Marlina On Jul 27, 2009, Marlina from Blaine, MN (Zone 4b) wrote:

This is my first year with this plant . It is about eight feet tall now and has had about six large blooms on it which I am happy with for its first year. We will see if it makes it over the winter.

Regional...

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

Minneapolis, Minnesota



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