Wildflower Archive
Clouded sulphur (Colias philodice)
Bernie Paquette · CC BY (iNaturalist)

Pollinator

Clouded sulphur

Colias philodice

A clear lemon-yellow butterfly, among the most abundant of open country.

Family
Pieridae (whites and sulphurs)
Wingspan
1.4 to 2.4 in (3.5 to 6 cm)
Flight season
Spring to fall (many broods)
Range
Across North America
Caterpillar food
Clovers and other legumes
Conservation
Secure and widespread

The clouded sulphur is a clear lemon-yellow butterfly, bordered black above, one of the most abundant butterflies of open country across the continent.

It flies in many broods and often mixes with the orange sulphur at mud puddles and clover fields; the two even hybridize.

Clouded sulphur caterpillar
The green caterpillar feeds on clovers. christine123 · CC BY (iNaturalist)

Caterpillars feed on clovers and other legumes of fields and meadows.

Plants for the clouded sulphur

47 native plants with documented flower-visit records. Narrow with the filters below.

47 plants

Common Sunflower1 of 2
Common Sunflower Helianthus annuus
Common yarrow complex1 of 2
Common yarrow complex Achillea millefolium
Butterfly milkweed1 of 2
Butterfly milkweed Asclepias tuberosa
Wild bergamot1 of 3
Wild bergamot Monarda fistulosa
Anise hyssop1 of 3
Anise hyssop Agastache foeniculum
Dense blazing star1 of 2
Dense blazing star Liatris spicata
Buttonbush1 of 2
Buttonbush Cephalanthus occidentalis
Firewheel1 of 3
Firewheel Gaillardia pulchella
Cutleaf coneflower1 of 3
Cutleaf coneflower Rudbeckia laciniata
False sunflower1 of 3
False sunflower Heliopsis helianthoides
Common boneset1 of 2
Common boneset Eupatorium perfoliatum
Virginia strawberry1 of 2
Virginia strawberry Fragaria virginiana
New England aster1 of 2
New England aster Symphyotrichum novae-angliae
Blue vervain1 of 2
Blue vervain Verbena hastata
Cup plant
Cup plant Silphium perfoliatum
Lance-leaved Coreopsis1 of 3
Lance-leaved Coreopsis Coreopsis lanceolata
Great blanketflower1 of 3
Great blanketflower Gaillardia aristata
Great blue lobelia1 of 2
Great blue lobelia Lobelia siphilitica
Silverberry1 of 2
Silverberry Elaeagnus commutata
Tall goldenrod1 of 2
Tall goldenrod Solidago altissima
Showy milkweed1 of 2
Showy milkweed Asclepias speciosa
Spreading dogbane1 of 2
Spreading dogbane Apocynum androsaemifolium
Narrow-leaved purple coneflower1 of 2
Narrow-leaved purple coneflower Echinacea angustifolia
Golden ragwort1 of 2
Golden ragwort Packera aurea
Common wrinkle-leaved goldenrod1 of 2
Common wrinkle-leaved goldenrod Solidago rugosa
Hoary vervain1 of 2
Hoary vervain Verbena stricta
Prairie sunflower1 of 3
Prairie sunflower Helianthus petiolaris
New York ironweed1 of 2
New York ironweed Vernonia noveboracensis
Large-leaved aster1 of 2
Large-leaved aster Eurybia macrophylla
Flat-topped goldenrod1 of 2
Flat-topped goldenrod Euthamia graminifolia
Grey-headed coneflower1 of 2
Grey-headed coneflower Ratibida pinnata
Dotted gayfeather1 of 2
Dotted gayfeather Liatris punctata
Virginia mountain mint1 of 2
Virginia mountain mint Pycnanthemum virginianum
Aspen fleabane1 of 2
Aspen fleabane Erigeron speciosus
Field goldenrod1 of 2
Field goldenrod Solidago nemoralis
Showy goldenrod species complex1 of 2
Showy goldenrod species complex Solidago speciosa
Prairie phlox1 of 2
Prairie phlox Phlox pilosa
Prairie milkweed
Prairie milkweed Asclepias sullivantii
Field locoweed1 of 3
Field locoweed Oxytropis campestris
Heart-leaf golden Alexanders
Heart-leaf golden Alexanders Zizia aptera
Cylindrical blazing star
Cylindrical blazing star Liatris cylindracea
Missouri goldenrod
Missouri goldenrod Solidago missouriensis
Siberian Aster1 of 2
Siberian Aster Eurybia sibirica
Easter daisy1 of 3
Easter daisy Townsendia exscapa
Fireweed
Fireweed Chamerion angustifolium
Hollyleaved barberry
Hollyleaved barberry Mahonia aquifolium
Showy tick-trefoil1 of 2
Showy tick-trefoil Desmodium canadense

Sources