Swertia erosula
Swertia erosula is a perennial ornamental plant for USDA zones 5-8, growing 0.4-0.6 meters tall. It requires full sun and medium watering, preferring loamy, sandy, or chalky soil. This plant blooms in blue and purple from July to September. It attracts pollinators but is not fragrant or toxic, and it is not evergreen.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Chalky
Height
0.4–0.6 m
Spread
0.3–0.4 m
Zones
5–8
Flower colors