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PlantFiles: Bluebeard
Caryopteris x clandonensis 'Dark Knight'

 
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Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Caryopteris (kar-ee-OP-ter-iss) (Info)
Species: x clandonensis (klan-don-EN-sis) (Info)
Cultivar: Dark Knight

4 vendors have this plant for sale.

2 members have or want this plant for trade.

Category:
Shrubs

Height:
36-48 in. (90-120 cm)

Spacing:
4-6 ft. (1.2-1.8 m)

Hardiness:
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)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Dark Blue

Bloom Time:
Late Summer/Early Fall

Foliage:
Deciduous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings
By simple layering

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

By JJsgarden
Thumbnail #1 of Caryopteris x clandonensis by JJsgarden

By lupinelover
Thumbnail #2 of Caryopteris x clandonensis by lupinelover

By KMAC
Thumbnail #3 of Caryopteris x clandonensis by KMAC

By Marilynbeth
Thumbnail #4 of Caryopteris x clandonensis by Marilynbeth

By Xenomorf
Thumbnail #5 of Caryopteris x clandonensis by Xenomorf

By Xenomorf
Thumbnail #6 of Caryopteris x clandonensis by Xenomorf

By Aimee_
Thumbnail #7 of Caryopteris x clandonensis by Aimee_

There are a total of 8 photos.
Click here to view them all!

Profile:

4 positives
3 neutrals
1 negative

Gardeners' Notes:

RatingAuthorComment
Positive ILUVTX On Apr 19, 2008, ILUVTX from Fort Worth, TX wrote:

Here in Zone8a this plant grows great! It is very beautiful when it blooms in the summer and fall. All our neighbors comment how pretty it is! It is very tolerant of our Texas heat, humidity, and lack of rain in the warm months and does very well over the cooler winter months. I would recommend this plant to other gardeners in a similar climate.

Positive Marilynbeth On Nov 17, 2006, Marilynbeth from Hebron, KY
(Zone 6a) wrote:

I love Caryopteris! I love the blue color of most of the varieties and recently saw that there is a soft pink color of a new variety this year.

Neutral gardenworksva On Oct 17, 2006, gardenworksva from Ruckersville, VA wrote:

Planted Dark Knight Spring '06 and having problems with the stems 'laying down' as well has becoming week and splitting off. Possibly it needs harder pruning early on. ?

Positive Leehallfae On Sep 15, 2006, Leehallfae from Seattle, WA wrote:

I like the True blue flowers. It is next to the Black Hollyhock and Star Gazer Lillies, and adds quite a bit of needed contrast.

Positive Julia_T On May 30, 2005, Julia_T from Northern, VA
(Zone 7a) wrote:

I planted three in partial sun in zone 7a last spring. They flowered luxuriantly the same year -- put on a real show, plus the flowers have a delicious scent. The bumblebees agreed, but we didn't get any wasps. Ours have sapphire-blue flowers and soft gray-green foliage, on a mini tree-form habit. I've heard that they can spread quite a bit, so will update if that happens.

Neutral digwell On Aug 25, 2004, digwell from Shelburne, NS
(Zone 6a) wrote:

Have just purchased caryopteris Dark Knight, and put it in a bed next to Pee Gee hydrangea. The combination of the Dark Knight blue flowers against the white of the hydrangea is a lovely fresh change from the usual reds and yellows of most late summer flowers.

Neutral MotherNature4 On May 13, 2004, MotherNature4 from Bartow, FL
(Zone 9a) wrote:

I just purchased Bluebeard 'Dark Knight' yesterday. Being a native Floridian, this was the first time I've ever heard of this lovely plant, so if anyone else from Florida has any growing suggestions, I'd appreciate any and all input. MotherNature4

Negative lupinelover On Jan 3, 2003, lupinelover from Grove City, OH
(Zone 6a) wrote:

Although it is supposed to be hardy to zone 4, this plant is not reliably hardy for me, possibly because of too much moisture in the winter dormant season. The flowers are welcome in the late summer and autumn, but I must replace it every 2-3 years.

Regional...

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

Oakland, California
Temecula, California
Bartow, Florida
Nampa, Idaho
Iowa City, Iowa
Hebron, Kentucky
Alfred, Maine
Sandwich, Massachusetts
Pinconning, Michigan
Lincoln, Nebraska
Albuquerque, New Mexico
Poughkeepsie, New York
Williamsburg, Ohio
Chiloquin, Oregon
Canyon Lake, Texas
Fort Worth, Texas
Farmington, Utah
Kaysville, Utah
Ruckersville, Virginia
Marysville, Washington
Seattle, Washington



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