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Native Habitat:

Open woodlands, meadows, and rocky slopes in western North America, including the Willamette Valley. Prefers well-drained soils in partially open sites.

 

Bloom Time:

May – July

 

Growth Habit & Mature Size:

Annual or short-lived perennial herb, 6–18 inches tall, with slender branching stems and lance-shaped leaves. Produces clusters of trumpet-shaped flowers, typically pink to lavender.

 

Light & Soil Requirements:

Full sun to partial shade; thrives in well-drained sandy or loamy soils. Tolerates nutrient-poor and rocky conditions.

 

Willamette Valley Native Companion Plants:

Camassia quamash, Achillea millefolium, Eriophyllum lanatum, Sidalcea campestris, Festuca roemeri.

 

Urban Garden Function:

Adds vertical interest, delicate form, and seasonal color to urban meadows, pollinator gardens, and naturalized landscapes. Works well in layered plantings with grasses and wildflowers, providing early- to mid-summer blooms that enhance both aesthetic appeal and ecological function.

 

Wildlife Supported:

Flowers attract native bees, bumblebees (Bombus spp.), and small butterflies. Foliage provides shelter for ground-dwelling insects and supports early-season pollinators.

 

Historical Use:

Used by Indigenous peoples and early settlers primarily for ornamental purposes and minor medicinal applications.

Collomia grandiflora | Grand Collomia

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