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

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Hardiness Zones

Midwest map of zones 5 (north), 6, and 7 (south)

as defined by the USDA Plant Hardiness Zone Map; (hardiness zones are not recorded for all Grow Native! plants)
Thread-leaved blue star by Mervin Wallace
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

A compact plant ideal formal locations. Narrow leaves resemble pine needles and turn yellow in fall. Delicate blue flowers appear in early spring.

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.

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