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)
Hybrid Flannel Bush
Hybrid Tea Rose cultivar
Hybrid White Rockrose
Iceberg Floribunda Rose
