[Wildflower Bloom in Central and Eastern Washington: 2023]

Wildflower Bloom in Central and Eastern Washington

Higher Elevation Balds, Grasslands and Forests of the North-facing Slope of the Blue Mountains

Above 4400' Between Pomeroy, WA and Asotin, WA

Umatilla National Forest and Asotin Wildlife Area Lands

June 16 & 18, 2023

Masses of upland larkspur (Delphinium nuttallianum) blooming on balds along Forest Road 42, Umatilla National Forest......June 17, 2023.

Masses of upland larkspur (Delphinium nuttallianum) blooming on balds along Forest Road 42, Umatilla National Forest......June 17, 2023.

* indicates the wildflower is currently blooming.

Coniferous and Deciduous Trees and Shrubs:

Grand Fir: Abies grandis

Western Larch: Larix occidentalis

Ponderosa Pine: Pinus ponderosa ssp. ponderosa

Douglas Fir: Pseudotsuga menziesii var. glauca

Douglas' Maple: Acer glabrum var. douglasii - Fruits forming.

* Snowbrush: Ceanothus velutinus var. velutinus

Curlleaf Mountain Mahogany: Cercocarpus ledifolius (var. intermontanus ?)

Sedges, Rushes and Grasses, etc:

* Lemmon's Needlegrass: Achnatherum lemmonii ssp. lemmonii

* Meadow Foxtail: Alopecurus pratensis

* Cheatgrass: Bromus tectorum

* Mountain Brome: Bromus sitchensis var. marginatus

* Orchard Grass: Dactylis glomerata

* Onespike Oatgrass: Danthonia unispicata

* Slender Hairgrass: Deschampsia elongata

* Quackgrass: Elymus repens

* Idaho Fescue: Festuca idahoensis var. idahoensis

* Prairie Junegrass: Koeleria macrantha

Bulbous Bluegrass: Poa bulbosa

Nevada Bluegrass: Poa secunda (ssp. secunda ?)

* Bluebunch Wheatgrass: Pseudoroegnaria spicata var. spicata

Wildflowers:

* Stinging Nettles: Urtica dioica ssp. urtica

* Tapertip Onion: Allium accuminatum

* Blue Mountain Onion: Allium fibrillum

Common Camas: Camassia quamash (ssp. breviflora or ssp. quamash) - Fruits developing.

Glacier Lily: Erythronium grandiflorum var. grandiflorum - Past bloom.

* Bluedicks: Triteleia grandiflora ssp. grandiflora - Fading out of bloom.

* Piper's Buckwheat: Eriogonum flavum var. piperi

* Parsnip-flowered Buckwheat: Eriogonum heracleoides

Douglas' Knotweed: Polygonum douglasii

* Ballhead Sandwort: Eremogone congesta var. congesta

* Piper's Anemone: Anemone piperi

* Western Columbine: Aquilegia formosa

* Meadow Larkspur: Delphinium depauperatum

* Upland Larkspur: Delphinium nuttallianum

False Bugbane: Trautvetteria caroliniensis

Creeping Oregon Grape: Berberis repens

Brown's Peony: Paeonia brownii - Fruits maturing.

* Wormleaf Stonecrop: Sedum stenopetalum var. stenopetalum

Pale Alyssum: Alysum alyssoides

Rockcress: Boechera pauciflora or Boechera sparsiflora

* Lava Alumroot: Heuchera cylindrica (former var. glabella)

* Small-flowered Prairie Star: Lithophragma parviflorum

* Smallflower Starwort: Ozomelis stauropetala

Western Serviceberry: Amelanchier alnifolia

* Woods Strawberry: Fragaria vesca var. californica

* Old Man's Whiskers: Geum triflorum

* Mallow Ninebark: Physocarpus malvaceus

* Idaho Cinquefoil: Potentilla glandulosa ssp. glabrata

* Graceful Cinquefoil: Potentilla gracilis var. flabelliformis

Bitter Cherry: Prunus emarginata var. emarginata

Chokecherry: Prunus virginiana var. melanocarpa

* Nootka Rose: Rosa nutkana var. macdougalii

* Cascade Mountain Ash: Sorbus scopulina

Birchleaf Spiraea: Spiraea lucida

* Morton's Canada Milkvetch: Astragalus canadensis var. mortonii

* Low Mountain Lupine: Lupinus lepidus var. lobbii

* Sulphur Lupine: Lupinus sulphureus ssp. sulphureus

* Mountain Golden-pea: Thermopsis montana

Arched Clover: Trifolium eriocephalum ssp. arcuatum - Just past bloom.

* Twin Clover: Trifolium latifolium

* White Clover: Trifolium repens

* Sticky Geranium: Geranium viscosissimum var. viscosissimum

Klamathweed: Hypericum perforatum

Fireweed: Chamaenerion angustifolium

* Elkhorn Clarkia: Clarkia pulchella

* Tall Annual Willowherb: Epilobium brachycarpum

* Diffuse Groundsmoke: Gayophytum diffusum

* Barestem Desert Parsley: Lomatium nudicaule - Fading out of bloom.

Butterfly-loving Desert Parsley: Lomatium papilioniferum - Past bloom.

Thinleaf Huckleberry: Vaccinium membranaceum

Grouseberry: Vaccinium scoparium

* Clustered Frasera: Frasera fastigiata

* Skyrocket: Ipomopsis aggregata

* Linearleaf Collomia: Collomia linearis

* Midget Phlox: Microsteris gracilis - Fading out of bloom.

* Mountain Navarretia: Navarretia divaricata

Ballhead Waterleaf: Hydrophyllum capitatum var. capitatum - Past bloom.

* Cryptanth: Cryptantha (torreyana ?)

* Common Hound's Tongue: Cynoglossum officinale

Puccoon: Lithospermum ruderale

* Narrow-leaved Skullcap: Scutellaria angustifolia ssp. angustifolia

* Harsh Paintbrush: Castilleja hispida var. acuta

* Tapertip Penstemon: Penstemon attenuatus var. attenuatus - Blue-flowered form.

* Hotrock Penstemon: Penstemon deustus var. deustus

* Sticky Penstemon: Penstemon glandulosus var. glandulosus

* Blue Mountain Penstemon: Penstemon pennellianus

* Lovely Penstemon: Penstermon venustus

Common Mullein: Verbascum thapsus

* Black Elderberry: Sambucus racemosa var. melanocarpa

Common Snowberry: Symphoricarpos albus var. laevigatus

* Mountain Heliotrope: Valeriana sitchensis

* Yarrow: Achillea millefolium

* Woodrush Pussytoes: Antennaria luzuloides ssp. luzuloides

* Rosy Pussytoes: Antennaria rosea

* Heart-leaf Arnica: Arnica cordifolia

* Arrowleaf Balsamroot: Balsamorhiza sagittata - Fading out of bloom.

Canada Thistle: Cirsium arvense

* Eaton's Shaggy Fleabane: Erigeron eatonii var. villosus

* Subalpine Daisy: Erigeron glacialis var. glacialis

* Rocky Mountain Sunflower: Helianthella uniflora var. douglasii

Scouler's Hawkweed: Hieracium scouleri - In bud.

Prickly Lettuce: Lactuca serriola

* Nodding Microseris: Microseris nutans

Cusick's Goldenweed: Pyrrocoma carthamoides var. cusickii - In bud.

* Sweet Marsh Butterweed: Senecio hydrophiloides

* Western Groundsel: Senecio integerrimus var. exaltatus - Fading out of bloom.

* Woolly Goldenweed: Stenotus lanuginosus - Fading out of bloom.

Common Dandelion: Taraxacum officinale

* Salsify: Tragopogon dubius

* Northern Mule's Ears: Wyethia amplexicaulis


Paul Slichter