Dactylorhiza × grandis
The large marsh orchid is a perennial ornamental plant that prefers part shade and high watering. It grows to a height of 0.3–0.6 meters and blooms with pink and purple flowers from May to July. It thrives in loamy, peaty soil and is suitable for USDA zones 5–8.
Light
Partial shade
Watering
High water
Soil
Loamy, Peaty
Height
0.3–0.6 m
Spread
0.2–0.4 m
Zones
5–8
Flower colors
This orchid requires consistently moist soil, ideally in a part shade location. High watering is essential, especially during dry periods, but ensure the soil drains well to prevent root rot. Loamy and peaty soil types are preferred. As a perennial, it will reliably return each year, providing beautiful blooms.