Argostemma courtallense
Argostemma courtallense is a perennial ornamental plant from the Rubiaceae family, reaching a height of 0.3–0.5 meters. It prefers part shade and medium watering, making it suitable for USDA zones 8–10. This plant blooms with white flowers from July to September. It prefers loamy or peaty soil and attracts pollinators.
Light
Partial shade
Watering
Medium water
Soil
Loamy, Peaty
Height
0.3–0.5 m
Spread
0.3–0.5 m
Zones
8–10
Flower colors