California Drought Tolerant: High - Jack (82)
Highland Cream Creeping Thyme
Holly Grape, California
Holly Grevillea
Holly Leaf Mountain Lilac Blue Jeans
Holly Oak (spp.)
Holly Oak Fordii
Holly, California (spp.)
Holly, Chinese Burfordii
Holly, Horned Burfordii
Holly, Oregon (spp.)
Holly, Oregon Compactum
Hollyhock, Desert
Hollyleaf Cherry
Hollywood Chinese Juniper
Honey Mesquite
Honey Mesquite: glandulosa torreyana
Honey Myrtle, Gray
Honey Myrtle: nesophila, Showy
Honeysuckle, Cape Apricot
Honeysuckle, Chuparosa
Honeysuckle, Scarlet Cape
Honeysuckle, Yellow Cape
Hopbush (spp.)
Hopseed Bush (spp.)
Horehound, Scallop Shell
Horizontal Juniper Blue Rug
Horned Holly Burfordii
Horsechestnut, California (spp.)
Horses Tail
Houston Crapemyrtle: indica
Howard McMinn Sonoma Manzanita
Huisache
Hummingbird Bush
Hummingbird Trumpet
Hummingbird Yucca
Hybrid Rock Rose (spp.)
Hybrid Rock Rose Grayswood Pink
Ice Plant Brilliant
Ice Plant, Trailing
Ice Plant: brunnthaleri Pink
Ice Plant: brunnthaleri Yellow
Ice Plant: cooperi
Ice Plant: Delosperma White
Ice Plant: lavisiae
Ice Plant: lutea, Rocky Point
Ice Plant: speciosum
Iceplant, Rosea
Idaho Fescue Siskiyou Blue
Idahoensis Locust
Imagination Moss Verbena
Immortelle Silver Star
Imodi Pine
Imperial Thornless Honey Locust
Incienso
India Palm
Indian Fig Prickly Pear Cactus
Indian Hawthorn Clara
Indian Hawthorn Fascination
Indian Hawthorn Olivia
Indian Mallow, Palmer's
Indian Summer Black-eyed Susan
Indigo Bush
Indigo Compacta Forget-me-not
Interior Live Oak
Irene Paterson Kohuhu
Iris, Douglas
Iris, Evergreen
Iris, Mountain
Iris, New Zealand
Irish Eyes Black-eyed Susan
Ironwood, Desert
Ironwood: tesota
Island Alumroot
Island Bush Snapdragon
Island Gooseberry
Island Oak
Island Shrub Mallow
Island Tree Poppy
Islay
Italian Stone Pine
Jacaranda
Jack Catlin Aeonium