Dense Spike-primrose | Epilobium densiflorum - Benton Soil And Water Conservation District

Dense Spike-primrose | Epilobium densiflorum

May contain: flower, geranium, plant, anther, petal, and purple

May contain: herbal, herbs, plant, bud, flower, sprout, daisy, vegetation, purple, grass, leaf, and petal

Small, pink to rose-purple flowers on erect leafy stems. Leaves are narrow and lance-shaped. Flowers bloom mid-summer.

Plant Details

Habitats	Oak Woodland, Upland Prairie and Savanna, Mixed Hardwood-Conifer Forest or Woodland, Wet Prairie
Habitat Notes	Occurs in ditches, prairies, oak woodlands, and conifer forests.
Mature Height	6 to 40 inches
Shade Preference	full sun, part shade, shade
Soil Tolerance	Prefers dry soils that are wet in spring.
Special Uses	Attracts pollinators.

May contain: animal, bee, honey bee, insect, invertebrate, and wasp

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

May contain: bud, flower, plant, sprout, vegetation, petal, and leaf

Why Plant Native Plants?

There are so many good reasons to plant native plants!

May contain: plant, potted plant, garden, nature, outdoors, soil, jar, planter, pottery, vase, herbal, herbs, clothing, coat, cap, hat, face, head, person, photography, portrait, gardening, jacket, glove, wood, accessories, glasses, adult, female, woman, indoors, interior design, footwear, shoe, bag, and handbag

Native Plant Sales

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…

May contain: field, grassland, nature, outdoors, architecture, building, shelter, countryside, meadow, rural, hut, grass, plant, landscape, housing, farm, and pasture

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…

Mixed Hardwood-Conifer Forest or Woodland

Mixed hardwoods and conifers characterize this habitat which is widespread in western Oregon in the medium elevations of the hills of the Coast Range. Precipitation is higher in this habitat than in…

Wet Prairie

Wet prairies were once a common habitat in the floodplain of the Willamette River. These habitats occur on poorly drained clay soils or shallow soils above bedrock. Seasonal flooding creates anaerobic…

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