Native Habitat:
Moist woodlands, forest edges, shaded slopes, and riparian corridors throughout western North America, including the Willamette Valley. Prefers cool understory environments with rich, well-drained soils and seasonal moisture.
 
Bloom Time:
April – June
 
Growth Habit & Mature Size:
Perennial herb, typically 1–3 feet tall, with delicate branching stems and finely divided, fern-like foliage. Produces small white flowers in loose compound umbels, followed by slender, elongated seed pods that resemble needles. The plant has a distinctive sweet, anise-like fragrance.
 
Light & Soil Requirements:
Partial shade to full shade; thrives in moist, humus-rich, well-drained soils. Tolerates seasonal drying once established but performs best with consistent spring moisture.
 
Willamette Valley Native Companion Plants:
Vancouveria hexandra
Viola glabella
Tellima grandiflora
Tolmiea menziesii
Polystichum munitum
Circaea alpina
 
Urban Garden Function:
Adds airy texture and early-season flowers to woodland gardens and shaded borders. Works well as a naturalizing understory plant beneath trees and shrubs in native plant landscapes. Its fine foliage blends well with ferns and other shade perennials.
 
Wildlife Supported:
Flowers attract native bees, hoverflies, beetles, and other beneficial insects. As a member of the carrot family (Apiaceae), it supports predatory insects that contribute to natural pest control.
 
Historical Use:
Known for its sweet, licorice-like aroma, the roots and seeds were used traditionally by Indigenous peoples as a flavoring and medicinal plant. Valued today in native gardens for its delicate appearance, ecological benefits, and woodland adaptability.