Hildmann Cactus
Hillside Creeper Scotch Pine
Holly Oak
Holly-Leaf or Islay Cherry
Hollyhock
Hollywood Twisted Juniper, Hollywoo
Homestead Purple Verbena
Honey Bush
Honey Myrtle, Granite-Bottlebrush
Honeywort
Hopa Crabapple
Hopseed Bush
Horsetail Reed
Horsetail Tree
Howard McMinn Manzanita
Huachuca Agave
Hummingbird Sage, Pitcher Sage
Huntington Carpet Rosemary
Hybrid Gazanias
