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PlantFiles: Downy Aster, White Heath Aster, Hairy White Old-field Aster
Symphyotrichum pilosum

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Symphyotrichum (sim-fy-oh-TRY-kum) (Info)
Species: pilosum (pil-OH-sum) (Info)

Synonym:Symphyotrichum pilosum var. pilosum
Synonym:Aster chrysogonii
Synonym:Aster pilosus

2 vendors have this plant for sale.

5 members have or want this plant for trade.

Category:
Annuals
Herbs
Perennials

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 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)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Pale Pink
Pink
White/Near White

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

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

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

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to view:

By melody
Thumbnail #1 of Symphyotrichum pilosum by melody

By frostweed
Thumbnail #2 of Symphyotrichum pilosum by frostweed

By melody
Thumbnail #3 of Symphyotrichum pilosum by melody

By melody
Thumbnail #4 of Symphyotrichum pilosum by melody

By melody
Thumbnail #5 of Symphyotrichum pilosum by melody

By melody
Thumbnail #6 of Symphyotrichum pilosum by melody

By mygardens
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive melody On Nov 12, 2004, melody from Benton, KY (Zone 7a) wrote:

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

The last butterflies and bees of the season flock to them in droves and they make a beautiful presence in your garden or along the roadways.

They are perfectly happy to be cultivated in a structured environment, or make a surprise statement in abandoned parking lots and gravel pits.

They do best in full sun and put on the best show when they have good soil, but will be quite forgiving if you have a spot where things find a difficult time thriving.

Positive frostweed On Oct 1, 2004, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Downy Aster, White Heath Aster, White Old-field Asteris a rather inconspicuous plant all year, but come Fall
it is solidly covered with tiny white blossoms and it appears to be covered with snow. It is easy to propagate by division and it likes full sun.
Aster pilosus is native to Texas and other States.

Regional...

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

Cordele, Georgia
Benton, Kentucky
North Billerica, Massachusetts
Mount Morris, Michigan
Croton On Hudson, New York
Greensboro, North Carolina
Glouster, Ohio
Millersburg, Pennsylvania
Clarksville, Tennessee
Arlington, Texas
Chester, Virginia
Peterstown, West Virginia



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