Symphyotrichum, Blue Wood Aster, Heartleaf Aster
Symphyotrichumcordifolium 'Little Carlow'

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Symphyotrichum (sim-fy-oh-TRY-kum)
Species: cordifolium (kor-di-FOH-lee-um)
Cultivar: Little Carlow

Synonym:Aster cordifolius

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Light Shade
Partial to Full Shade

Foliage
Herbaceous

Foliage Color

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

Spacing
18-24 in. (45-60 cm)

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)

Where to Grow

Danger
N/A

Bloom Color
Blue-Violet

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Summer/Early Fall
Mid Fall

Other details
May be a noxious weed or invasive

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
Non-patented

Propagation Methods
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed