Hickory Hickory Wattle
Hickory, Bitternut Hickory, Broom
Hickory, Mockernut Hickory, Pignut
Hickory, Shagbark (spp.) Hickory, Shagbark 'Grainger'
Hickory, Shellbark Hickory, Swamp
Hickory, Water Hickory, White Heart
Hickory: ovata pubescens, Shagbark 'Hicksii' Anglojapanese Yew
'Hidcote' English Lavender Higan Cherry 'Pandora'
Higan Cherry (spp.) Higan Cherry 'Autumnalis'
Higan Cherry 'Tai-Haka' Higan Cherry Weeping
'Higasayama Broom' Japanese Maple 'Higashi yama' Japanese Maple
High Tide Bush 'Highbeam®' Overcup Oak
Highbush Blueberry (spp.) Highbush Blueberry 'Herbert'
Highbush Blueberry 'Sunshine Blue' Highbush Cranberry (spp.)
Highbush Cranberry 'Alfredo' Highbush Cranberry 'Compactum'
Highbush Cranberry Dwarf Highbush Cranberry 'Wentworth'
'Highlander' Japanese Holly 'Highpoint®' Nuttall's Oak
'Highrise' Southern Live Oak 'Hightower®' Willow Oak
Hill Banksia 'Hillside Creeper' Scots Pine
'Hillspire' Eastern Red Cedar Himalaya Honeysuckle (spp.)
Himalaya Honeysuckle 'Golden Lanterns®' Himalaya Honeysuckle 'Purple Rain'
Himalaya Pieris Himalayan Birch
Himalayan Cypress Himalayan Hemlock
Himalayan Indigo Himalayan Musk Rose
Himalayan Pine 'Hino' Japanese Cedar
'Hinodegire' Kurume Azalea Hinoki False Cypress (spp.)
Hinoki False Cypress 'Coralliformis' Hinoki False Cypress 'Crippsii'
Hinoki False Cypress Dwarf Hinoki False Cypress 'Elmwood Gold'
Hinoki False Cypress 'Fernspray Gold' Hinoki False Cypress 'Flabelliformis'
Hinoki False Cypress Golden Hinoki False Cypress 'Gracilis'
Hinoki False Cypress 'Juniperioides Aurea' Hinoki False Cypress 'Kosteri'
Hinoki False Cypress 'Mariesii' Hinoki False Cypress 'Nana Aurea'
Hinoki False Cypress 'Nana Gracilis' Hinoki False Cypress 'Nana Lutea'
Hinoki False Cypress 'Nana Tonia' Hinoki False Cypress 'Reis Dwarf'
Hinoki False Cypress 'Rigid Dwarf' Hinoki False Cypress 'Sanderi'
Hinoki False Cypress 'Spiralis Aurea' Hinoki False Cypress 'Split Rock'
Hinoki False Cypress 'Tetracona Aurea' Hinoki False Cypress 'Torulosa'
'Hinu tsukasa' Japanese Maple Hiryu Azalea 'Coral Bells'
Hiryu Azalea 'Hinodegire' Hiryu Azalea 'Snow'
Hispaniolan Palmetto Hispaniolan Royal Palm
'Hispida' Scotch Rose Hoary Willow
Hog Cranberry (spp.) Hog Cranberry 'Massachusetts'
Hog Cranberry 'Microphylla' Hog Cranberry 'Point Reyes'
Hog Cranberry 'Radiant' Hog Gum
Hog Plum 'Hohman's Variegated' Japanese Maple