PlantFiles: Clematis
Clematis forsteri

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Species: forsteri (FOR-ster-ee) (Info)

Synonym:Clematis hexapetala

» View all varieties of Clematis

Group:
Unknown - Tell us

Height:
12-15 ft. (3.6-4.7 m)

Spacing:
8-10 ft. (2.4-3 m)

Hardiness:
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Bloom Color:
Pale Green

Flower Fragrance:
Unknown - Tell us

Bloom Shape:
Unknown - Tell us

Bloom Diameter:
Unknown - Tell us

Bloom Time:
Mid Spring

Sun Exposure:
Sun to Partial Shade

Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are fragrant

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

Pruning Groups:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:
By sueone

Thumbnail #1 of Clematis forsteri by sueone

By plantboyman

By bootandall

By mrporl

By plantaholic186

There are a total of 12 photos.
Click here to view them all!

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

Rating	Author	Comment
Neutral	Joan	On Jul 25, 2009, Joan from Belfield, ND (Zone 4a) wrote: Editor's Note Some resources list all parts of all Clematis species poisonous if ingested. The toxic principal is Anemonin, and symptoms after ingestion include intense burning sensation in the mouth and mouth ulcers. Dermatitis and skin irritation has also been recorded, as have allergies and hay fever type symptoms from pollen inhalation. We tend to err on the side of caution in PlantFiles, and the danger notation in the details above is to caution gardeners, parents and pet owners to look further for more information.
Neutral	plantaholic186	On Jun 22, 2008, plantaholic186 from Winnetka, IL wrote: I disagree that C. forsteri is synonymous with C. hexapetala, which has linear leaves, and grows into a 3' shrub-form plant. I have read that C. hexapetala is a synonym for C. angustifolia, though. By the way, my C. hexapetala thrives in zone 5, and although I haven't seen any signs of self-seeding, it grows easily from seed.
Positive	sueone	On May 3, 2002, sueone from Weymouth, Dorset United Kingdom (Zone 9a) wrote: this is afairly tender one, but the scent in spring is worth it, I've tried sowing fromseed, but without much sucess so far.