description Stiff Aster Overview
Stiff aster (Ionactis linariifolia) is a compact perennial wildflower in the aster family native to eastern North America. It has stiff, narrow leaves and flower heads with violet to blue-purple rays surrounding yellow disk florets, generally appearing in late summer and fall. The species is adapted to dry, nutrient-poor settings, including sandy plains, rocky openings, pine barrens, and open woodland edges.
help Stiff Aster FAQ
Why is Ionactis linariifolia called stiff aster?
Its leaves are narrow, linear, rigid, and marked by a single prominent central vein. That stiff foliage helps distinguish Ionactis linariifolia from asters with softer or broader leaves.
Where does stiff aster grow naturally?
Stiff aster is native to eastern and central North America. It is associated with acid soils in pine-oak or pine-hickory woods, ridgetops, upland slopes, and glades.
When does stiff aster bloom?
The Missouri Botanical Garden lists July as the bloom time for Ionactis linariifolia. In other parts of its range, flowering can continue into late summer or fall.
How tall does stiff aster get, and what color are its flowers?
It is a compact, clump-forming perennial that commonly reaches about 15 to 20 inches tall. Its flower heads have violet, blue, or purple rays around yellow disk florets.
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