Photo by Melody

PlantFiles: Blue Mist Spiraea, Bluebeard
Caryopteris x clandonensis 'Grand Bleu'

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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: Grand Bleu
Additional cultivar information: (PP17837; aka Inoveris, Gran Blue, Grand Blue Inoveris)
Hybridized by Cadic; Year of Registration or Introduction: 2007

3 vendors have this plant for sale.

2 members have or want this plant for trade.

Category:
Perennials
Shrubs

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

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

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

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Dark Blue

Bloom Time:
Late Summer/Early Fall

Foliage:
Deciduous
Herbaceous
Silver/Gray
Aromatic

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Suitable for growing in containers

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

Patent Information:
Patented

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings

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

Click thumbnail
to view:

By fdetroch
Thumbnail #1 of Caryopteris x clandonensis by fdetroch

By ecrane3
Thumbnail #2 of Caryopteris x clandonensis by ecrane3

By phoebejo
Thumbnail #3 of Caryopteris x clandonensis by phoebejo

Profile:

3 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive fdetroch On May 10, 2007, fdetroch from Merelbeke
Belgium (Zone 8a) wrote:

Very attractive small shrub. Grows very well (yet sheltered) in Belgium (zone 8).
'Grand Bleu' (aka 'Inoveris') is the result of in vitro mutagenesis by INRA, France

Positive braun06 On May 8, 2007, braun06 from Peoria Heights, IL (Zone 5b) wrote:

it is a trouble free plant. It will die down to the snowline in zone 5 for most winters. With dieback expect it still to reach 3'x3' every season. I see no difference between this cultivar and most other blue mist shrubs.

Neutral berrygirl On Mar 17, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

Caryopteris clandonensis 'Grand Bleu' BLUE MIST SHRUB Dec (z5) (Cut,Hon,Bfly)
The same DEEP blue flowers as 'Heavenly Blue' but over a longer summer bloom period and on a plant half the size! (to 2-3'high & wide)...now EVERYone can enjoy it even in a container or small yard. Sun/Med/GDr

Positive saya On Sep 4, 2006, saya from Heerlen
Netherlands (Zone 8b) wrote:

In a more mild climates it is a small (60 cm) deciduous shrub, but in more colder climates it will die down to its roots...so more behaving like a herbacious perennial. It flowers on the new first year growth. Because of its size Gran Blue is suitable to grow in a container.

Regional...

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

Dublin, California
Hanna City, Illinois
Iowa City, Iowa
Waverly, Iowa
Portland, Maine
Irwin, Pennsylvania



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