Aster Species, Japanese Aster, Oriental Boltonia, Ghengis Khan Aster

Asterpinnatifidus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Aster (ASS-ter)
Species
pinnatifidus (pin-nat-ih-FY-dus)
Synonym
Aster iinumae
Kalimeris pinnatifida
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Seed Collecting
Regional

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

Heber Springs, Arkansas

Spring Hill, Florida

Atlanta, Georgia

Macon, Georgia

Savannah, Georgia

Jeffersonville, Indiana

Beverly, Massachusetts

Roslindale, Massachusetts

Albion, Michigan

Neptune, New Jersey

Schenectady, New York

Scottsville, New York

Raleigh, North Carolina(2 reports)

Cambridge, Ohio

Cincinnati, Ohio

Defiance, Ohio

Wilkes Barre, Pennsylvania

Conway, South Carolina

Elizabethton, Tennessee

Mc Lean, Virginia

Milwaukee, Wisconsin

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Gardener's Notes:

6
positives
1
neutral
0
negative
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S
S
sj7
Marlborough, MA | June 2019 | positive

I had this plant in my garden in Albion, MI before my fairly recent move to Massachusetts. It was a passalong plant from my mother, who m...Read More

C
ROSLINDALE, MA | May 2014 | positive

I'd rank this among the ten best/most useful garden perennials. Highly floriferous, blooming nonstop from the beginning of July to the mi...Read More

L
Scottsville, NY | June 2006 | positive

Have had this in my garden for the past 10 years after buying it labeled as "Feverfew." I never knew what it really was till last year. I...Read More

T
Heber Springs, AR (Zone 7b) | August 2004 | positive

This is an excellent "filler" plant giving the garden height. It reaches 4 foot here and has beautiful double white blooms, appears like...Read More

O
Macon, GA (Zone 8b) | August 2003 | positive

Started blooming in May in middle Georgia and has bloomed since. I love it because foliage has stayed nice and the flowers are so daintly...Read More

L
Jeffersonville, IN (Zone 6a) | August 2003 | positive

Once this plant starts blooming in July, it just won't quit! Needs no deadheading since the dead flowers shrivel up to small nubbins and ...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2001 | neutral

Closely resembling the Boltonia Aster, K. pinnatifida is prized for its steady stream of hundreds of 1" white blooms from mid-summer unti...Read More

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