California Drought Tolerant: Holl - Jack (82)
Holly Grape, California
Holly Grape, Oregon (spp.)
Holly Grape, Oregon 'Compactum'
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.)
Horizontal Juniper 'Blue Rug'
Horned Holly 'Burfordii'
Horsechestnut, California (spp.)
Horses Tail
'Houston' Crapemyrtle: indica
'Howard McMinn' Sonoma Manzanita
Huisache
Humming Bird's Trumpet (spp.)
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: 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