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PlantFiles: Bluebill, Vase Vine, Leather Flower
Clematis viorna

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

» View all varieties of Clematis

One vendor has this plant for sale.

14 members have or want this plant for trade.


12-15 ft. (3.6-4.7 m)

36-48 in. (90-120 cm)

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)

Bloom Color:
Magenta (Pink-Purple)

Flower Fragrance:
Unknown - Tell us

Bloom Shape:

Bloom Diameter:
Small - less than 2 inches (5 cm)

Bloom Time:
Mid Spring
Late Spring/Early Summer

Sun Exposure:
Full Sun
Sun to Partial Shade

Other details:
This plant is attractive to bees, butterflies and/or birds
This plant may be considered a protected species; check before digging or gathering seeds

Unknown - Tell us

Pruning Groups:
Unknown - Tell us

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From softwood cuttings
From seed; direct sow outdoors in fall
By simple layering

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

Click thumbnail
to view:

By vroomp
Thumbnail #1 of Clematis viorna by vroomp

By cceamore
Thumbnail #2 of Clematis viorna by cceamore

By creekwalker
Thumbnail #3 of Clematis viorna by creekwalker


3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive Gascoigne On May 27, 2012, Gascoigne from Shawnee Mission, KS (Zone 5a) wrote:

Very vigorous yet well behaved climbing vine. i bought three seedlings online last year 2011, and my biggest one one, on the north side of my house, is now 7', growing next to clematis 'Walenburg'. I love the texture of the feels just the way it dense styrofoam...and it floats! i'll take a pic soon....i just love this funky took me forever to find it, however, which is why i purchased 3 when i found case i killed one or two. None have died...all are thriving. I have the other two growing through a redbud, and the other through a Don Juan Rose.

Positive wetdogfarm On Aug 12, 2009, wetdogfarm from Eveleth, MN (Zone 3a) wrote:

No problem with survival for this species in zone 3a, N. Minnesota.

Neutral bluespiral On Mar 11, 2007, bluespiral from (Zone 7a) wrote:

A little more detail on germination from the 2nd edition of Norman C. Deno's book, Seed Germination Theory and Practice -

If you obtain the seed too late for fall sowing, sow in the dark at 70*F; germination may take about 3 months.

Positive vroomp On Jun 14, 2003, vroomp from Marietta, GA (Zone 7a) wrote:

I rescued this plant(actually I got 3) from a construction site in North Georgia where it grows naturally, although sparsely. Grown in full sun it can be treated just like a Jackmanii. Trim old growth in late winter as flowers appear on new growth. Once established, this vine produces flowers for about two months, Late April-June in Zone 7. Quite an agressive grower/climber it can take over a small arbor or trellis in one season.


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

Auburn, Alabama
Amana, Iowa
Shawnee Mission, Kansas
Monticello, Kentucky
New Orleans, Louisiana
Eveleth, Minnesota
Cole Camp, Missouri
Barto, Pennsylvania
New Braunfels, Texas

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