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

Wildflower Bloom in the Columbia River Gorge of Oregon and Washington

Memaloose

March 8, 2025

Grasswidows (Olsynium douglasii var. douglasii) in the Memaloose area, Columbia River Gorge......March 8, 2025.

Grasswidows (Olsynium douglasii var. douglasii) in the Memaloose area, Columbia River Gorge......March 8, 2025.

* Indicates the wildflower is currently in bloom.

Ponderosa Pine: Pinus ponderosa var. ponderosa

Douglas Fir: Pseudotsuga menziesii var. menziesii

Big-leaf Maple: Acer macrophyllum - Beginning to bloom.

Red Osier Dogwood: Cornus sericea

Black Cottonwood: Populus trichocarpa

Oregon White Oak: Quercus garryana var. garryana

Bristly Dog's-tail Grass: Cynosurus echinatus

Bulbous Blue Grass: Poa bulbosa

Bluebunch Wheatgrass: Pseudoroegneria spicata

Cereal Rye: Secale cereale

Medusahead: Taenitherum caput-medusae

Daffodils: Narcissus pseudonarcissus - Only leaves. This area had an old homestead on it.

Tapertip Onion: Allium accuminatum - Leaves are up.

Ookow, Ball-head Cluster Lily: Dichelostemma congestum - Leaves are coming up.

* Yellow Bells: Fritillaria pudica - Just beginning to bloom. Peak bloom in about 2 weeks.

* Grass Widows: Olsynium douglasii var. douglasii - Initial stages of bloom. Peak bloom in about 2 weeks.

Sheep Sorrel: Rumex acetosella

Curly Dock: Rumex crispus

Miner's Lettuce: Claytonia perfoliata ssp. perfoliata

Sticky Mouse-ear Chickweed: Cerastium glomeratum

Jagged Chickweed: Holosteum umbellatum

Chickweed: Stellaria media

Upland Larkspur: Delphinium nuttallianum - Leaves are coming up.

* Western Buttercup: Ranunculus occidentalis var. occidentalis - A few plants in bloom.

Hairy Bittercress: Cardamine hirsuta

Oaks Toothwort: Cardamine nuttallii - Leaves are coming up.

* Spring Whitlow-grass: Draba verna

* Scalepod: Idahoa scapigera - Beginning to bloom.

* Bulblet Prairie Star: Lithophragma bulbifera (now included as part of Lithophragma glabrum)

* Smooth Praire Star: Lithophragma glabrum

Peak Saxifrage: Micranthes fragosa - Leaves with flower buds.

Northwestern Saxifrage: Micranthes integrifolia - Leaves.

Mock Orange: Philadelphus lewisii - Beginning to leaf out.

Suksdorf's Hawthorn: Crataegus Xsuksdorfia (Crataegus gaylussacia)

Common Broad-leaf Lupine: Lupinus latifolius var. latifolius (formerly Lupinus latifolius var. thompsonianus) - Leaves coming up.

Vetch: Vicia sp.

* Filaree: Erodium cicutarium

Poison Oak: Toxicodendron diversilobum

Chervil: Anthriscus caucalis

* Columbia Desert Parsley: Lomatium columbianum

* Biscuitroot: Lomatium macrocarpum (yellow-flowered form) - Just a few plants beginning to bloom.

* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum - Beginning to bloom.

* Salt and Pepper: Lomatium piperi - Fading out of bloom.

Western Snakeroot: Sanicula crassicaulis - Leaves.

Ball-head Waterleaf: Hydrophyllum capitatum var. thompsonii - Leaves.

Meadow Nemophila: Nemophila pedunculata - Leaves.

Variedleaf Phacelia: Phacelia heterophylla - Leaves.

Rigid Fiddleneck: Amsinckia menziesii (formerly Amsinckia retrorsa form) - Leaves.

Selfheal: Prunella vulgaris (var. ?)

Large-flowered Blue-eyed Mary: Collinsia grandiflora - Leaves.

Bedstraw: Galium aparine - Leaves

* Northwestern Balsamroot: Balsamorhiza deltoidea (or B. careyana?, or a hybrid between the two?) - Barely beginning to bloom.

Western Groundsel: Senecio integerrimus var. exaltatus - Leaves beginning to appear. One plant with elongating stem and flower buds.


Paul Slichter