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PlantFiles: Clematis
Clematis 'Blue Light'

 
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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Clematis (KLEM-uh-tiss) (Info)
Cultivar: Blue Light
Additional cultivar information: (aka Vanso)

» View all varieties of Clematis

2 vendors have this plant for sale.

3 members have or want this plant for trade.

Group:
Late Large-flowered

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

Spacing:
36-48 in. (90-120 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:
Light Blue

Flower Fragrance:
No fragrance

Bloom Shape:
Double

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

Bloom Time:
Mid Spring
Late Spring/Early Summer

Sun Exposure:
Full Sun
Sun to Partial Shade

Other details:
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

Danger:
Unknown - Tell us

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

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By Gourd
Thumbnail #1 of Clematis  by Gourd

By KatieLovesDogs
Thumbnail #2 of Clematis  by KatieLovesDogs

By scutler
Thumbnail #3 of Clematis  by scutler

By scutler
Thumbnail #4 of Clematis  by scutler

By scutler
Thumbnail #5 of Clematis  by scutler

By victorgardener
Thumbnail #6 of Clematis  by victorgardener

By Kell
Thumbnail #7 of Clematis  by Kell

There are a total of 18 photos.
Click here to view them all!

Profile:

4 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Neutral Joan On May 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.
Positive seedpicker_TX On Apr 2, 2009, seedpicker_TX from (Taylor) Plano, TX (Zone 8a) wrote:

This is my very favorite clematis. It likes a lot more sun than most clematis. The flowers are HUGE. They last for several weeks, and even when they are done, the center petals hang on for another few days.
Even in my alkaline soil, they are very true blue.
There can be two flower forms of this, on the same plant. Sometimes they open single and sometimes double. The double blooms are the most showy.
If you can find some of this from Monrovia, buy it! They sell huge specimens with great root systems. I've purchased this from several places(Wayside, Lowes, and a garden center carrying Monrovia) and the Monrovia was by far the best, and largest one for the price.
The one from Wayside is growing painfully slowly, and the Lowes one is doing ok. The Monrovia ones are taking off and are a real joy.
My sister visited one year, and asked if they were fake. She said she'd never seen such large beautiful flowers, especially that color, that were not fake. :0)

Positive Merrilee On Jul 6, 2008, Merrilee from Batavia, IL (Zone 5a) wrote:

This clematis is worth the extra effort. I planted it 4 years ago. Each year I would get just 1-3 small blossoms on it. This year I was going to dig it up and replace it with another clematis. It took off and I currently have 12 blooms with more on the way. (early July) Mine is not real blue, more of a lavender but very full and beautiful. I have many different kinds of clematis in my yard but this one is very special.

Positive scutler On Aug 5, 2005, scutler from Charleston, SC (Zone 8b) wrote:

My blue light bloomed this year for the 1st time (It's maybe 2 years old). The spot where I planted it gets very little sun, so I had feared it would not bloom. This spring it produced dozens of large sky blue blooms that seemed to last forever. Then, much to my surprise, and despite my failure to remove the spent blooms, it continued to bloom off and on all summer long! I have dozens of clematis plants. None have bloomed so tirelessly as this one. Even in the hottest part of summer (and I live in the South US!) when no other clematis in my yard was even thinking of blooming, this plant seemed to always display a few blooms. And it's also quite lovely!

Positive Gourd On Apr 27, 2005, Gourd from (Zone 4b) wrote:

Container grown and bloomed the first year. Good color, the center takes a few days to fill out. This is photo of first day it opened.

Regional...

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

Moreno Valley, California
San Leandro, California
Keystone Heights, Florida
Batavia, Illinois
Plainfield, Illinois
Bloomfield, Iowa
Kingfield, Maine
Portland, Oregon
Charleston, South Carolina
Gainesboro, Tennessee
Paris, Texas
Plano, Texas
Willis, Texas
Puyallup, Washington
Ripon, Wisconsin



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