Photo by Melody

PlantFiles: Blue Mist Spiraea, Bluebeard
Caryopteris x clandonensis 'White Surprise'

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: White Surprise
Hybridized by Bos; Year of Registration or Introduction: 2009

5 vendors have this plant for sale.


Unknown - Tell us

4-6 ft. (1.2-1.8 m)

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:
Full Sun

Unknown - Tell us

Bloom Color:
Medium Blue

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
This plant is resistant to deer

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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2 positives
No neutrals
1 negative

Gardeners' Notes:

Positive annejsmith On Sep 28, 2014, annejsmith from Uxbridge
Canada wrote:

Planted spring 2013. Likes well drained soil & is drought tolerant. Is planted in south facing position at front of house, So full sun. I water once a week in the heat. This summer (2014) has been colder & damper than previous summers. Winter 2013/2014 was especially frigid but shrub survived beautifully :). Bees absolutely love this plant when it blooms and i've noticed a few butterflies hanging around. I'm a novice gardener, everythings an experiment right now. But to sum up....i'm loving this shrub, it's my favourite in our garden.

Positive NoLawns On Aug 13, 2014, NoLawns from Warrenville, IL wrote:

A variegated sport of C. Heavenly Blue. May be more tender then other Caryopteris due to the variegation. Most plants that are variegated are less hardier than their plain green counter parts. Plants should be cut back in spring time after new growth emerges and are slow to emerge just like butterfly bush. Plant before September and mulch with leaves to establish the roots. Will report next year if it doesn't make it.

Negative Pupjr On Apr 14, 2014, Pupjr from Broeck Pointe, KY wrote:

Killed off by -10F temps in my zone 6a location. Is it me or are plants men exaggerating plant hardiness on a lot of these new varieties to sell more nursery stock?


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

Warrenville, Illinois

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