Yampah | Perideridia oregana

A hand holding a cluster of delicate white flowers in a natural setting, with green grass in the background.
The image shows a tall plant with white flowers in a grassy area, with a person in the background engaged in an activity.
Two butterflies are perched on a cluster of small white flowers against a blurred background.
A hand holding a cluster of delicate white flowers in a natural setting, with green grass in the background.
The image shows a tall plant with white flowers in a grassy area, with a person in the background engaged in an activity.
Two butterflies are perched on a cluster of small white flowers against a blurred background.

Yampah, best planted in clumps, blooms in the summer and is reminiscent of Queen Anne’s Lace, with umbels of small white flowers and delicate grass-like foliage. This perennial in the carrot family relies on insects for pollination. 

Plant Details

Habitats Oak Woodland, Upland Prairie and Savanna, Wet Prairie
Phenology Perennial; flowering June-September
Mature Height 4-36"
Shade Preference Full sun, part shade
Soil Tolerance Dry, moist or wet soils, any texture
Special Uses Yampah's tuberous roots are a food source for many tribes. It attracts pollinators