[Wildflower Bloom in the Columbia River Gorge of Oregon and Washington: 2025]

Wildflowers Currently in Bloom in the Columbia River Gorge of Oregon and Washington

Sams Walker Day Use/Picnic Area

April 26, 2025

 

A view northeast from the summit of Hamilton Mountain towards Table Mountain and Mount Adams (on the horizon).........April 23, 2011.

* indicates the wildflower is currently in bloom.

Ferns and Fern Allies

Bracken Fern: Pteridium aquilinum

Sword Fern: Polystichum munitum

Licorice Fern: Polypodium glycyrrhiza

Trees and Shrubs

Douglas Fir: Pseudotsuga menziesii var. menziesii

* Vine Maple: Acer circinatum

* Bigleaf Maple: Acer macrophyllum

* Red Alder: Alnus rubra

* Hazelnut: Corylus cornuta var. californica

Creek Dogwood: Cornus sericea

* Oregon White Oak: Quercus garryana var. garryana

Forbs

* Small-flowered Woodrush: Luzula parviflora

Stinging Nettles: Urtica dioica

False Solomon Seal: Maianthemum racemosum ssp. amplexicaule

Western Wake-robin: Trillium ovatum

Miner's Lettuce: Claytonia perfoliata ssp. intermontana

* Candyflower: Claytonia siberica - A few plants beginning to bloom at lower elevations.

* Big-leaf Sandwort: Moehringia macrophylla - A few plants beginning to bloom at lower elevations.

* Common Chickweed: Stellaria media

Rockslide Larkspur: Delphinium glareosum

* Shining Oregongrape: Berberis aquifolium

* Hairy Bittercress: Cardamine hirsuta

* Springbeauty: Cardamine nuttallii

* Spring Whitlow-grass: Draba verna

* Bleeding Heart: Dicentra formosa

Mock Orange: Philadelphus lewisii

* Fringecup: Tellima grandiflora - Beginning to bloom at the trailhead.

Serviceberry: Amelanchier alnifolia (var. semiintegrifolia?)

* Largeleaf Avens: Geum macrophyllum var. macrophyllum

Himalayan Blackberry: Rubus armeniacus

Thimbleberry: Rubus parviflorus

* Salmonberry: Rubus spectabilus

Pacific Trailing Blackberry: Rubus ursinus

Largeleaf Lupine: Lupinus polyphyllus

* Riverbank Lupine: Lupinus rivularis

White Clover: Trifolium repens

* Pioneer Violet: Viola glabella

Klamath Weed: Hypericum perforatum

Woodland Phacelia: Phacelia nemoralis

Common Mullein: Verbascum thapsus

Common Snowberry: Symphoricarpos albus

Yarrow: Achillea millefolium

Annual Fleabane: Erigeron annuus

* Sweet Colt's Foot: Petasites frigidus

* Common Dandylion: Taraxacum officinale


Paul Slichter