Parnassia trinervis
Parnassia trinervis, commonly known as Grass of Parnassus, is a perennial ornamental plant that thrives in part shade with medium water requirements. It is suitable for USDA zones 4–8 and typically grows to a height of 0.3–0.6 meters. This plant produces white flowers from mid-summer to early autumn and prefers loamy, peaty soil. It attracts pollinators.
Light
Partial shade
Watering
Medium water
Soil
Loamy, Peaty
Height
0.3–0.6 m
Spread
0.3–0.5 m
Zones
4–8
Flower colors