Symphyotrichum, Frost Aster, Hairy Aster, Hairy Oldfield Aster
Symphyotrichumpilosum 'Lilac Blue Admiral'

Synonym:Aster pilosus

Category
Perennials

Water Requirements

Sun Exposure
Full Sun

Foliage
Evergreen

Foliage Color

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

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

Hardiness
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)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger

Bloom Color
Blue-Violet
Lavender

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details

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

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