Yellow wildflowers of the Black Hills

Yellow flowers of the Black Hills of South Dakota and Wyoming, A to Z by common name. Open any plant for bloom time, ID details, roots and seeds.

In bloom

Arrowleaf Balsamroot

Balsamorhiza sagittata

May–Jul · Native

Black Henbane

Hyoscyamus niger

Jun–Sep · Introduced

Black Medic

Medicago lupulina

May–Aug · Introduced

Black-eyed Susan

Rudbeckia hirta

May–Sep · Native

Blanket Flower

Gaillardia aristata

Jun–Sep · Native

Photo: Black Hills National Forest (photo by Chelsea Monks, USDA Forest Service/Black Hills National Forest), Public Domain

Butter-and-Eggs

Linaria vulgaris

Jun–Aug · Introduced

Canada Hawkweed

Hieracium umbellatum

Jun–Sep · Native

Common Mullein

Verbascum thapsus

Jun–Aug · Introduced

Common Sunflower

Helianthus annuus

Jul–Oct · Native

Photo: Jo Roberts, CC BY 4.0

Common Tansy

Tanacetum vulgare

Jul–Sep · Introduced

Photo: Laurel Meredyk, CC BY 4.0

Curlycup Gumweed

Grindelia squarrosa

Jul–Sep · Native

Cutleaf Coneflower

Rudbeckia laciniata

Jul–Sep · Native

Downy Paintbrush

Castilleja sessiliflora

May–Jul · Native

Photo: Brian Dickerson, CC0 1.0

Early Cinquefoil

Potentilla concinna

May–Jun · Native

Fetid Marigold

Dyssodia papposa

Jul–Sep · Native

Fringed Loosestrife

Lysimachia ciliata

Jun–Aug · Native

Fringed Puccoon

Lithospermum incisum

Apr–Jun · Native

Golden Currant

Ribes aureum

Apr–Jun · Native

Photo: psweet, CC BY-SA 4.0

Golden Pea

Thermopsis rhombifolia

Apr–Jun · Native

Green-flowered Hedgehog Cactus

Echinocereus viridiflorus

May–Jul · Native

Photo: Tom Norton, CC BY 4.0

Hairy Golden Aster

Heterotheca villosa

Jul–Sep · Native

Heart-leaved Arnica

Arnica cordifolia

May–Aug · Native

Heartleaf Alexanders

Zizia aptera

Apr–Jul · Native

Lambstongue Groundsel

Senecio integerrimus

Jun–Aug · Native

Leafy Cinquefoil

Drymocallis fissa

May–Aug · Native

Leafy Spurge

Euphorbia virgata

May–Aug · Introduced

Photo: John Brew, CC BY 4.0

Long-leaved Ground Cherry

Physalis longifolia

May–Aug · Native

Missouri Foxtail Cactus

Pelecyphora missouriensis

May–Jun · Native

Photo: Larry Jensen, CC BY 4.0

Mountain Dandelion

Agoseris glauca

May–Jun · Native

Northern Paintbrush

Castilleja septentrionalis

May–Aug · Native

Photo: Matt Berger, CC BY 4.0

Oregon Grape

Mahonia repens

Apr–Jul · Native

Photo: Anders Hastings, CC BY 4.0

Plains Prickly Pear

Opuntia polyacantha

May–Jul · Native

Photo: Jack Wander, CC0 1.0

Shrubby Cinquefoil

Dasiphora fruticosa

Jun–Aug · Native

Slender Cinquefoil

Potentilla gracilis

Jun–Aug · Native

Spearleaf Stonecrop

Sedum lanceolatum

Jun–Aug · Native

Photo: Brian Finzel, CC BY-SA 4.0

Stemless Four-nerve Daisy

Tetraneuris acaulis var. acaulis

May–Oct · Native

Photo: Brian Dickerson, CC0 1.0

Stiff Goldenrod

Solidago rigida

Jul–Oct · Native

Photo: Parker Hopkins, CC0 1.0

Stiff Sunflower

Helianthus pauciflorus

Jul–Sep · Native

Woolly Groundsel

Packera cana

May–Jul · Native

Yellow Lady's Slipper

Cypripedium parviflorum

May–Jul · Native

Photo: Owen McElroy, CC0 1.0

Yellow Monkeyflower

Erythranthe guttata

Apr–Sep · Native

Yellow Salsify

Tragopogon dubius

May–Aug · Introduced

Photo: NPS Photo, Public Domain

Yellow Sweetclover

Melilotus officinalis

Jun–Oct · Introduced

Photo: sophia_herrmeyer, CC BY 4.0