Stiff aster gets its name from its stiff stems and stiff, needle-like leaves.
- Synonyms: Aster linariifolius, Ionactis linariifolius
- Family: aster (Asteraceae)
- Habitat: dry clearings, rocky slopes
- Height: 6-18 inches
- Flower size: flowerheads 3/4 to 1 inch across
- Flower color: pale blue-purple rays around a disk that starts yellow, then turns red-orange
- Flowering time: September to October
- Origin: native
Stiff aster growing in a rock garden.