Indigastrum costatum
Indigastrum costatum is a perennial ornamental plant that grows 0.5–1 meter tall. It prefers full sun and low water conditions, thriving in sandy, loamy, or chalky soils within USDA zones 8–10. This plant blooms from July to September with purple and blue flowers.
Light
Full sun
Watering
Low water
Soil
Sandy, Loamy, Chalky
Height
0.5–1 m
Spread
0.3–0.6 m
Zones
8–10
Flower colors