General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Plant Height: 18 inches
Plant Spread: 24 inches
Flowers: Showy
Flower Color: Other: Light blue
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall
Fall
Uses: Groundcover
Wildlife Attractant: Butterflies
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Japanese Aster

Photo Gallery

Date: 9-23-2022
Location: English Gardens, Dearborn Hts, MI
Date: 2010-08-16
Location: Eckert's Greenhouse, Sterling Hts, MI
Date: 2010-08-02
Location: English Gardens, Dearborn Hts, MI
Date: 2010-08-16

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy
Location: My Garden in Kalama, Wa.
Date: 2014-05-27
  • Uploaded by Joy
Location: Home garden VA
Date: 2013-05-21

Date: 2013-01-02 
Kalimeris Blue Star
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2016-07-15
Location: Fairfax VA | February 2023
Date: 2023-02-11
Location: Eckert's Greenhouse, Sterling Hts, MI
Date: 2010-08-02
Location: English Gardens, Dearborn Hts, MI
Date: 2010-08-16
Location: Botanical Garden Leipzig, Germany
Date: 2022-09-17
Location: Northern Illinois (Zone 5a)
Date: 2013-05-24
Location: My garden in Kalama, Wa. Zone 8
Date: 2013-08-14
  • Uploaded by Joy

Date: 2013-07-31

Courtesy Gardens in the Wood of Grassy Creek
  • Uploaded by vic
Location: Home garden VA
Date: 2013-06-04
Comments:
  • Posted by Pattyw5 (La Salle Illinois - Zone 5a) on Jan 2, 2013 2:11 PM concerning plant:
    I love this plant. In zone 5 northern Il. it flowers from late May into early September. I pinch back in spring to promote dense branching or it will flop to the ground when it rains. Have had this plant 15+ years. No disease issues. Attacked once by rose slugs. No other pest issues. In my zone it does seem to need dividing every few years to maintain crown health. I like them best in the first two years anyway as they are smaller in size. Have often read that this plant is drought tolerant. It is not tolerant here anyway. Let some go dry in this year's drought too see how they would do. They stopped flowering, growing and died. All that received a little water from hose are fine. Pat

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