[Wildflower Bloom Reports for the Columbia River Gorge of Oregon and Washington: 2024]

Wildflower Bloom in the Columbia River Gorge of Oregon and Washington

Mosier Plateau (City of Mosier and Friends of the Columbia Gorge Land Trust Properties)

April 19, 2024

Balsamroot bloom along the trail atop the Mosier Plateau, Friends of the Columbia Gorge property.....April 19, 2024.

Balsamroots blooming in grasslands atop Mosier Plateau, Friends of the Columbia Gorge property, Columbia River Gorge.......April 19, 2024.

* Indicates the wildflower is currently in bloom.

Comprehensive Plant List for the Mosier Plateau

Ponderosa Pine: Pinus ponderosa var. ponderosa

Douglas Fir: Pseudotsuga menziesii var. menziesii

* Big-leaf Maple: Acer macrophyllum

White Alder: Alnus rhombifolia

Oregon White Oak: Quercus garryana var. garryana - Beginning to leaf out and bloom.

* Common Lilac: Syringia vulgaris

Rip Gut: Bromus diandrus

Cheat Grass: Bromus tectorum

* Bulbous Blue Grass: Poa bulbosa

* Leiberg's Blue Grass: Poa leibergii

* Nevada Blue Grass: Poa secunda var. juncifolia

Sandberg's Blue Grass: Poa secunda var. sandbergii - Past bloom.

Bluebunch Wheatgrass: Pseudoroegneria spicata

* Rat-tail Grass: Vulpia sp.

* Bicolored Cluster Lily: Triteleia grandiflora ssp. howellii - Beginning to bloom.

Grass Widows: Olsynium douglasii var. douglasii - Past bloom.

* Heart-leaf Buckwheat: Eriogonum compositum var. compositum - Beginning to bloom. Cream-flowered form.

Tall Buckwheat: Eriogonum elatum

* Miner's Lettuce: Claytonia perfoliata ssp. perfoliata

* Sticky Mouse-ear Chickweed: Cerastium glomeratum

* Chickweed: Stellaria media

* Western Buttercup: Ranunculus occidentalis var. occidentalis - Blooming along west bank of Mosier Creek.

* California Poppy: Eschscholzia californica - Beginning to bloom.

* Shining Oregon Grape: Berberis aquifolium

* Common Wall Cress: Arabidopsis thaliana

* Tumble Mustard: Sisymbrium altissimum - Beginning to bloom.

* Fringe Pod: Thysanocarpus curvipes

* Small-flowered Prairie Star: Lithophragma parviflorum

* Peak Saxifrage: Micranthes fragosa - Fading.

* Merten's Saxifrage: Saxifraga mertensisana - Blooming on basalt rock walls above Mosier Creek.

Ocean Spray: Holodiscus discolor - Beginning to leaf out.

Himalayan Blackberry: Rubus armeniacus

* Bicolor Lupine: Lupinus bicolor

* Common Broad-leaf Lupine: Lupinus latifolius x sericeus (L. latifolius var. thompsonianus) - Beginning to bloom.

* Small-flowered Lupine: Lupinus micranthus

* Bighead Clover: Trifolium macrocephalum - Beginning to bloom.

* Hairy Vetch: Vicia villosa - Beginning to bloom.

* Filaree: Erodium cicutarium

Dovefoot Geranium: Geranium molle

Geranium: Geranium sp. (carolinianum ?)

Poison Oak: Toxicodendron diversilobum - Beginning to leaf out.

Chervil: Anthriscus caucalis

* Columbia Desert Parsley: Lomatium columbianum - Past bloom.

* Bare-stem Desert Parsley: Lomatium nudicaule

* Butterfly-loving (Pungent) Desert Parsley: Lomatium papilioniferum

* Nineleaf Desert Parsley: Lomatium triternatum var. triternatum

* Greater Periwinkle: Vinca major

Narrowleaf Milkweed: Asclepias fascicularis

* Silverleaf Phacelia: Phacelia hastata var. hastata (former var. leptosepala ?) - In bud.

* Menzie's Fiddleneck: Amsinckia menziesii

* Blue Forget-me-not: Myosotis micrantha

* Rusty Popcornflower: Plagiobothrys nothofulvus

* Henbit: Lamium amplexicaule

* Narrowleaf Paintbrush: Castilleja attenuata

*Bedstraw: Galium aparine

* Big Root: Marah oreganus

Common Snowberry: Symphoricarpos albus var. laevigatus - Beginning to leaf out.

Yarrow: Achillea millefolium - In bud.

* Annual Agoseris: Agoseris heterophylla

* Carey's Balsamroot: Balsamorhiza careyana x deltoidea

* Bachelor's Button: Centaurea cyanus

Rush Skeletonweed: Chondrilla juncea

Columbia Goldenweed: Columbiadora hallii

Scouler's Hawkweed: Hieracium scouleri

* Common Dandelion: Taraxacum officinale


Paul Slichter