Plant Common Names Starting With ‘H’
- Hackberry Beardtongue
- Hackberry, Desert
- Hackberry, Netleaf
- Hackberry, Spiny
- Hairy Bowlesia
- Hairy Deer Vetch
- Hairy Evolvulus
- Hairy Fournwort
- Hairyseed Bahia
- Harlequin Spiralseed
- Harlequin-bush
- Harlequinbush
- Heartleaf Limberbush
- Hedge Nettle, Scarlet
- Hedgehog Cactus, Crimson
- Hedgehog Cactus, Pinkflower
- Hedgehog Cactus, Rainbow
- Hedgehog Cactus, Scarlet
- Hedgenettle, Scarlet
- Heliotrope, Wild
- Henbit Deadnettle
- Henbit, Clasping
- Herissantia
- Heron's Bill
- Heron-bill
- Hibiscus, Coulter's
- Hibiscus, Naked
- Hibiscus, Rock
- Hideseed, Dainty Desert
- Hoary Abutilon
- Hoary Bowlesia
- Hoary Tansy-aster
- Hoary Tansyaster
- Hoary-aster
- Hog Potato
- Hogweed, Little
- Hollowleaf Annual Lupine
- Holly, Desert
- Holzinger's Venus' Looking-glass
- Honeymat
- Honeysuckle, Dwarf White
- Hooker's Evening Primrose
- Hop Clover
- Hop Medic
- Hopbush
- Hopbush, Florida
- Hopbush, Keys
- Hopi Tea Greenthread
- Horehound
- Horehound, White
- Horse-purslane, Desert
- Horsenettle, Fendler's
- Horsenettle, White
- Horsepurslane, Desert
- Horsetail, Rough
- Horsetail, Scouring
- Horsetail, Scouringrush
- Horseweed Fleabane
- Horseweed, Canadian
- Huachuca Mountain Rocktrumpet
- Hummingbird Bush
- Hummingbird Trumpet
- Hyacinth, Desert
- Hyssop Spurge
- Hyssopleaf Sandmat
