Photo by Melody

PlantFiles: Passion Flower Clematis
Clematis florida var. sieboldiana

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Species: florida var. sieboldiana
Additional cultivar information: (aka Sieboldii, Bicolor, Choir Boy)

Synonym:Clematis bicolor
Synonym:Clematis siboldii
Synonym:Clematis florida var. bicolor

» View all varieties of Clematis

2 vendors have this plant for sale.

21 members have or want this plant for trade.

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Group:
Late Large-flowered

Height:
10-12 ft. (3-3.6 m)

Spacing:
24-36 in. (60-90 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Bloom Color:
Pale Yellow
Pale Green
Purple

Flower Fragrance:
Slightly Fragrant

Bloom Shape:
Unknown - Tell us

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

Bloom Time:
Mid Summer
Late Summer/Early Fall

Sun Exposure:
Sun to Partial Shade
Light 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:
From softwood cuttings
From semi-hardwood cuttings
By simple layering
By serpentine layering

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

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By stevenova
Thumbnail #1 of Clematis florida var. sieboldiana by stevenova

By stevenova
Thumbnail #2 of Clematis florida var. sieboldiana by stevenova

By gldandrews
Thumbnail #3 of Clematis florida var. sieboldiana by gldandrews

By JeanneTX
Thumbnail #4 of Clematis florida var. sieboldiana by JeanneTX

By JeanneTX
Thumbnail #5 of Clematis florida var. sieboldiana by JeanneTX

By kniphofia
Thumbnail #6 of Clematis florida var. sieboldiana by kniphofia

By kniphofia
Thumbnail #7 of Clematis florida var. sieboldiana by kniphofia

There are a total of 21 photos.
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Profile:

5 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Hintont On Aug 3, 2009, Hintont from Cincinnati, OH wrote:

This wonderful vine is perfectly hardy in my zone 6a garden. In fact Bluestone Perennials, where I bought mine two years ago, lists its zones as 5-9.

Mine blooms prolifically in very early summer. I've had no late summer repeats--as those in warmer zones are reporting.

Positive tashmoore On May 2, 2009, tashmoore from Fort George G Meade, MD wrote:

My apt complexes 'lawn maintenance' people took a weed whacker to this early in the spring this year reducing it to maybe 18". As of today (2 May 09) it has 5 vines (as opposed to the two it had last year, it's first year here) reaching 4 or so feet, and there seem to be a lot of buds.

UPDATE: as of June 2010 my clematis is still going strong. She survived the blizzards this past winter just fine. Actually I layered her and now have two plants side by side. I have lost track of how many vines I have. The longest ones are maybe 5-6'. She bloomed for a solid 6 weeks from the beginning of May until mid/late June.

Positive chunghsia On Jul 11, 2008, chunghsia from Santa Clara, CA (Zone 9a) wrote:

One of the best performed clematis I planted this spring. Striking, unique, exotic flowers. LOVE IT!!!

Positive JeanneTX On Oct 25, 2006, JeanneTX from Willis, TX (Zone 8b) wrote:

A fantastic Clematis for the warmer zones

Neutral fluffygrue On Jul 13, 2005, fluffygrue from Manchester
United Kingdom (Zone 8a) wrote:

Seems a little demanding - I bought one for my mother and it just didn't want to grow. Will see if I have any more success soon..

Positive Chills On Jun 21, 2005, Chills from Saint Clair Shores, MI (Zone 6b) wrote:

I planted this plant last spring in an area that is well protected from the winter winds, but is probably not ideal as it is rather shady below five feet. I was worried about it returning (I am in zone 6), but it came up at the same time as many of my other clematis.

It has just started blooming this week (June 20th) and Iove added a second one to a much more sunny area. Everyone who sees it asks about it.

Regional...

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

,
San Anselmo, California
San Jose, California
Jacksonville, Florida
Lakeside, Florida
Calhoun, Georgia
Lavonia, Georgia
Fort Meade, Maryland
Saint Clair Shores, Michigan
Bedford, New Hampshire
Cincinnati, Ohio
Franklin Park, Pennsylvania
Austin, Texas
Garland, Texas
Plano, Texas
Willis, Texas
Amelia Court House, Virginia
Charlottesville, Virginia
Fairfax, Virginia
Leesburg, Virginia



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