Browse Plants by Color: Yellow
Helenium bigelovii
tall sneezeweed
Helenium bolanderi
coast sneezeweed
Helianthella uniflora
Douglas's helianthella
Helianthus annuus
common sunflower
Helianthus cusickii
Cusick's sunflower
Heterotheca villosa
hairy goldaster
Heuchera cylindrica
roundleaf alumroot
Hieracium cynoglossoides
hound's-tongue hawkweed
Hieracium gracile
alpine hawkweed
Hieracium scouleri
Scouler's hawkweed
Hulsea algida
alpine hulsea
Hulsea nana
dwarf hulsea
Hymenopappus filifolius
Columbia cut leaf
Hypericum anagalloides
Tinker's penny
Hypericum perforatum
common St. John's wort
Hypericum scouleri ssp. nortoniae
western St. John's wort
Hypochaeris radicata
rough cat's-ear
Iris bracteata
Siskiyou iris
Iris innominata
golden iris
Iris pseudacorus
yellow flag