Threadleaf Bluestar
Threadleaf Bluestar is a standout native perennial admired for its soft, finely textured foliage and exceptional fall color. Also called Arkansas Bluestar, it is technically native only to the Ouachita Mountains of Arkansas and Oklahoma, though it adapts well to a variety of garden settings across the eastern and central U.S.
In late spring, clusters of starry pale blue flowers bloom atop upright stems, attracting a range of early pollinators including bumblebees and small native bees. After flowering, the true magic of this species lies in its needle-like foliage, which forms a dense, airy mound that adds a fine, ferny texture throughout summer. Come autumn, the plant transforms into a mass of brilliant gold, rivaling the display of ornamental grasses or shrubs.
Threadleaf Bluestar typically grows around 2.5 feet tall and wide, thriving in full sun to part shade and tolerating a range of soils as long as drainage is good. Once established, it is drought-tolerant and deer-resistant, making it both beautiful and low-maintenance. Its deep roots help stabilize soil and create habitat structure in designed meadows or mixed borders.
Details
Range Map
record
Ecological Benefits
Maintenance Tips
- Watering: Water regularly during establishment; drought-tolerant after the first year.
- Sunlight: Prefers full sun for best flowering and fall color, but tolerates light shade.
- Trimming: Cut back in late fall or early spring to make way for new growth.
- Spacing: Give it room to form a tidy mound—avoid overcrowding to prevent legginess.
- Division: Rarely needed, but can be divided in spring every 5–7 years if desired.
- Pests/Disease: Extremely resistant to pests, deer, and rabbits.



