Large-flowered Collomia | Collomia grandiflora - Benton Soil And Water Conservation District

Large-flowered Collomia | Collomia grandiflora

The image features a lush green plant with clusters of delicate yellow flowers. Bright and vibrant, it creates a natural, lively scene.

The image features a bee on light-colored flowers amidst green foliage.

A cluster of pale yellow flowers amidst lush green foliage, showcasing nature's beauty in a vibrant setting.

A FALL BULB AND SEED SALE ITEM

Trumpet-shaped flowers in dense heads can range from salmon to off-white. Very showy flowers in summer. Inside is a unique surprise - the pollen is a vibrant blue color! Annual.

Plant Details

Habitats	Upland Prairie and Savanna
Phenology	Annual; flowering April-July
Mature Height	4-36"
Shade Preference	Full sun, part shade
Soil Tolerance	Dry soils
Special Uses	Drought tolerant, attracts pollinators

A close-up of a bee collecting nectar from delicate pink flowers, showcasing nature's pollination process.

Native Plant Database

We have a large searchable database of plants that are native to the Willamette Valley and other parts of Benton County. View images and filter the list by plant characteristics

A cluster of unique, dark-colored flowers among vibrant green foliage and other colorful wildflowers.

Why Plant Native Plants?

There are so many good reasons to plant native plants!

A woman smiling holds a plant at a community event, with people working around her in a spacious indoor setting.

Native Plant Sales

A scenic view of a vibrant field of purple flowers, a rustic barn, green hills, and a blue sky with fluffy clouds.

Upland Prairie and Savanna

Upland prairies or open grasslands are among the most threatened ecosystems in Oregon. Historically, they occurred across the Willamette Valley and are vegetated by perennial grasses and annual or…