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Native Habitat:

Open forests, grasslands, and chaparral in western North America, including the Willamette Valley. Often parasitizes the roots of native shrubs and herbaceous plants.

 

Bloom Time:

April – July

 

Growth Habit & Mature Size:

Perennial herb, 6–24 inches tall, lacking chlorophyll and entirely dependent on host plants for nutrients. Produces erect, spindly stems with tubular yellow to purple flowers arranged in spikes.

 

Light & Soil Requirements:

Full sun to partial shade; grows in well-drained soils where host plants are present. Requires proximity to compatible host species to survive.

 

Willamette Valley Native Companion Plants:

Various native shrubs and perennials, particularly those in the Asteraceae and Fabaceae families, including Achillea millefolium, Lupinus spp., and Eriophyllum lanatum.

 

Urban Garden Function:

Adds ecological intrigue and specialized habitat value to native plant gardens, particularly in naturalistic or restoration plantings. Functions as a rare and interesting component in habitat-focused landscapes.

 

Wildlife Supported:

Flowers attract native bees and specialized pollinators. Its presence contributes to ecological diversity by interacting with host plants and associated insect communities.

 

Historical Use:

Used minimally by Indigenous peoples due to its parasitic nature; valued primarily today for ecological and educational purposes in native plant and restoration gardens.

Orobanche californica | California Broomrape

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