Amsonia 'Blue Ice'

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Photo Courtesy of Walters Gardens, Inc.
 Common Name: Blue Star

Our favorite variety of Amsonia!  This selection of Amsonia from White Flower Farm bears gorgeous plump navy blue buds in late spring, opening to vivid periwinkle blue, star-shaped flowers.  They are larger than the species and are borne in clusters at the ends of each stem. 

The bright green, compact, slowly spreading foliage forms the perfect background for the delightful blossoms and then turns a rich shade of yellow in fall.  Amsonia adds a billowy, finely textured element to the landscape.  It grows into a dense mass, much like a small shrub.

'Blue Ice' is a selected seedling from A. tabernaemontana which is native to North America.

Introducer: White Flower Farm

Parentage: A. tabernaemontana seedling

Origin: Native Cultivar


  12-16 Inches
  18-24 Inches
Flower Color:
  Blue shades
Foliage Color:
  Green shades
Hardiness Zone:
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Average water needs
  Consistent water needs
Need critter resistant plants?:
  Deer resistant
How fast should it grow?:
When should it bloom?:
  Late spring
  Early summer
Looking for seasonal interest?:
  Fall Color
How's your soil?:
  Poor Soil
  Average Soil
  Fertile Soil
Sweet or Sour Soil?:
  Neutral Soil (pH = 7.0)
What's your garden style?:
  Rain Garden
  Water Garden


Border plants
Cut flower or foliage
Mass Planting
Easy to grow

Homeowner Growing & Maintenance Tips:

Amsonia thrives in most gardens with little care.  It is low-maintenance, easy to grow and trouble-free.  Plant it in full sun or partial shade and moist soil of average fertility.  If grown in too much shade or very rich soil, its habit will be open and floppy.  This plant grows fairly large but it will not need to be divided for many years.  Cutting the stems back to within 6-8" of the ground after flowering will result in fuller growth.


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While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.