Homestead Purple Verbena
Honey Bush
Honey Gem Grevillea
Honey Myrtle, Granite-Bottlebrush
Honeywort
Honorine Jobert Japanese Anemone
Hopa Crabapple
Hopseed Bush, 'a'li'i
Horsetail
Horsetail Restio
Horsetail Tree
Hot Lips Sage
Howard McMinn Manzanita
Huachuca Agave
Hummingbird Bush, Spider-Net G.
Hummingbird Sage, Pitcher Sage
Huntington Carpet Rosemary
Hybrid Daylily (various)
