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

Wildflower Bloom in the Columbia River Gorge of Oregon and Washington

Catherine Creek: Paved Trail

April 25, 2025

Bitterroot: Lewisia rediviva - April 25, 2025

Bitterroot (Lewisia rediviva) blooming at Catherine Creek.........April 25, 2025.

Comprehensive Catherine Creek Plant List

* Indicates the wildflower is currently in bloom.

Juniper Haircap Moss: Polytrichum juniperinum

Polytrichum Moss: Polytrichum pilferum

Wallace's Spikemoss: Selaginella wallacei

Podfern: Aspidotis densa - New foliage emerging.

Licorice Fern: Polypodium glycyrrhiza

* Bigleaf Maple: Acer macrophyllum

Ponderosa Pine: Pinus ponderosa var. ponderosa

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

* Annual Bluegrass: Poa annua

* Bulbous Bluegrass: Poa bulbosa

* Nevada Bluegrass: Poa secunda ssp. juncifolia

Tapertip Onion: Allium accuminatum - Basal leaves abundant on rock outcrops with shallow soils.

* Common Camas: Camassia quamash (var. breviflora ?)- Fading out of bloom.

* Bicolored Cluster Lily: Triteleia grandiflora var. howellii

* Meadow Death-camas: Toxicoscordion venenosum var. venenosum - Fading out of bloom.

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

Northern Buckwheat: Eriogonum compositum var. compositum - Flower buds well formed.

* Miner's Lettuce: Claytonia perfoliata var. perfoliata - Beginning to bloom.

* Bitterroot: Lewisia rediviva

* Shepherd's Cress: Teesdalia nudicaulis

* California Poppy: Eschscholzia californica

Mock Orange: Philadelphus lewisii - Beginning to leaf out.

* Sand Clover: Trifolium oliganthum (formerly Trifolium variegatum) - A few plants beginning to bloom in the area burned several summers ago.

* Filaree: Erodium cicutarium

Poison Oak: Toxicoscordion diversilobum - Beginning to leaf out.

Attenuate Paintbrush: Castilleja attenuata - Only foliage.

* Large-nose Monkey-flower: Erythranthe nasuta

* Barrett's Penstemon: Penstemon barrettiae

* Big Root: Marah oreganus - Beginning to bloom.

* Rosy Plectritis: Plectritis congesta - Fading out of bloom.

Yarrow: Achillea millefolium - In bud.

Balsamroot: Balsamorhiza careyana X deltoidea


Paul Slichter