Long-leaved houstonia is a threatened species in Connecticut.
- Synonyms: Hedyotis longifolia
- Family: bedstraw (Rubiaceae)
- Habitat: dry soil, often associated with rocks or gravel
- Height: 5-10 inches
- Flower size: 1/4 inch across
- Flower color: lavender to white
- Flowering time: June to September
- Origin: native
The flowers of long-leaved bluets can be nearly white, pale blue, or pale purple.
Photographed in Shenandoah National Park, Virginia in late June.