A compact plant ideal formal locations. Narrow leaves resemble pine needles and turn yellow in fall. Delicate blue flowers appear in early spring.
Native Plant Database
Header Photo: Mervin Wallace
Thread-Leaved Blue Star
Amsonia ciliata
Plant Type: Herbaceous Perennials
Native Environment: Stream Edge
Season of Interest: Early (Feb - Apr), Late (July - frost), Winter (Nov - Mar)
Main Color: Blue
Fall Color: Gold
Hardy From Zone: 1
Hardy To Zone: 1

Photo: Mervin Wallace

Sun Exposure
Full Sun

Soil
Moisture
Dry

Nature Attracting
Butterfly, Hummingbird, Pollinators/Beneficial Insects

Wildlife Benefit

Animal
Resistance
Deer Resistant
Size
Height:
16 to
24
inches
Spread:
18 to
24
inches
Size
Height: 16 to
24
inches
Spread: 18 to
24
inches
Size
Height: 16 to
24
inches
Spread: 18 to
24
inches
Typical Landscape Use
A compact plant, good for formal beds. Becomes denser and more mound-like every year.
Establishment and Care Instructions
Special Features
Special Usage
Basic Description
Where Should I Start?
Check out the Grow Native! Committee’s Top Ten picks of native plants for a particular purpose.
What’s the Next Step?
Picked out your plants? View our Resource Guide of garden centers, seed sources, landscapers, education resources, and more!
Where Can I Find This Plant in Nature?
Learn about the Native Environment(s) inhabited by the plants in this database.