Aster, Japanese Aster 'Blue Star'

Asteryomena

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Aster (ASS-ter)
Synonym
Kalimeris yomena
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Good Fall Color
Smooth
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
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)
Bloom Color
Lavender
Bloom Time
Late Summer/Early 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
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
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:

Marietta, Georgia

Weymouth, Massachusetts

Pequannock, New Jersey

Ringwood, New Jersey

Somers, New York

MOUNT HOOD PARKDALE, Oregon

West Chester, Pennsylvania

Kalama, Washington

show all

Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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N
SOUTH WEYMOUTH, MA | October 2018 | positive

Unassuming and yet awesome little perennial in my 6b garden. Starting blooming early-midsummer, took a brief breather during the hottest ...Read More

I
| September 2017 | positive

I live in Kitchener, Ontario, Canada - Zone 5.
I bought this plant about 5 years ago.
My soil is mostly clay.

...Read More

S
Ringwood, NJ (Zone 6b) | August 2012 | positive

This is my new favorite plant. It has bloomed all summer long on discreet new growth, and is still going strong in late August in zone 6b...Read More

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