Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Symphyotrichum (sim-fy-oh-TRY-kum) (Info)
Species: dumosum (doo-MO-sum) (Info)
Cultivar: Sapphire
Additional cultivar information: (PP16083, aka Kiestrbl)
Hybridized by Niederländer; Year of Registration or Introduction: 2004
Synonym:Aster dumosus
Synonym:Aster dumosus var. dodgei
Synonym:Aster dumosus var. strictior
Synonym:Symphyotrichum dumosum var. dodgei
 2 vendors have this plant for sale.
Category:
Alpines and Rock Gardens
Perennials
Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
N/A
Bloom Color:
Light Blue
Medium Blue
Blue-Violet
Violet/Lavender
Purple
Bloom Time:
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Foliage:
Herbaceous
Other details:
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers
Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information:
Patented
Propagation Methods:
By dividing the rootball
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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