Fork-toothed Ookow | Dichelostemma congestum - Benton Soil And Water Conservation District

Fork-toothed Ookow | Dichelostemma congestum

A close-up photo of vibrant purple flowers clustered together in a natural setting.

A field of vibrant purple flowers with green foliage, creating a colorful and serene outdoor scene.

A close-up of a vibrant purple flower with multiple petals, set against a blurred green background.

A FALL BULB AND SEED SALE ITEM

Sprouting from a bulb, the leafless flower stalk is topped by a densely-flowered cluster. The light purplish-blue flower head is comprised of up to 20 small flowers and is pinched slightly just below the flower head.

Plant Details

Habitats	Oak Woodland, Upland Prairie and Savanna, Meadows
Habitat Notes	Meadows, open woods, forest gaps, and grassy slopes up to 6500 ft
Phenology	Perennial; flowering May-August
Mature Height	Up to 2 ft
Shade Preference	Full sun, part shade
Soil Tolerance	Prefers well-drained soil. Drought tolerant
Special Uses	Attracts bees

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 lush forest scene with tall oak trees, green leaves, moss, and undergrowth, under a clear blue sky.

Oak Woodland

Oregon White Oaks dominate these woodlands and may support an open to moderately shrubby understory. Over thirty percent of the canopy shades the ground, but still filter light allowing oak seedling…

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…