Symphyotrichum Species, Frost Aster, Hairy Aster, Hairy White Oldfield Aster, Wild Aster

Symphyotrichumpilosum

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Symphyotrichum (sim-fy-oh-TRY-kum)
Species
pilosum (pil-OH-sum)
Synonym
Aster pilosus
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
12-15 in. (30-38 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)
Danger
N/A
Bloom Color
Pale Pink
Pink
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Regional

This plant is said to grow outdoors in the following regions:

Cordele, Georgia

Benton, Kentucky

North Billerica, Massachusetts

Mount Morris, Michigan

Frenchtown, New Jersey

Croton On Hudson, New York

Greensboro, North Carolina

Glouster, Ohio

Millersburg, Pennsylvania

Clarksville, Tennessee

Arlington, Texas

Austin, Texas

Chester, Virginia

Peterstown, West Virginia

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Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
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M
M
Benton, KY (Zone 7a) | November 2004 | positive

What a wonderful way to end the season! These plants are absolutely covered in tiny white blossoms, and bloom into November here in West ...Read More

F
Josephine, Arlington, TX (Zone 8a) | October 2004 | positive

Downy Aster, White Heath Aster, White Old-field Asteris a rather inconspicuous plant all year, but come Fall
it is solidly covere...Read More

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