Hummingbird Sage, Pitcher Sage
Huntington Carpet Rosemary
Hybrid Gazanias
Hybrid Naked Lady
Hybrid Tea Rose (selections)
Hybrid White Rockrose
Iceberg Floribunda Rose
Iceland Poppy
Idaho Locust
Imperial Bronze Bearded Iris
Improved Meyer Lemon
Incana Cranesbill
Incense Cedar
Indian Fig Prickly Pear
Indian Hawthorne
Indian Summer Gloriosa Daisy
Irene Rosemary
Iris 'Canyon Snow'
Island Alum Root
Island Bush Poppy