Hair Grass, Tufted Hair Grass

Grass

Harcot

EdiblesTrees

Hawthorn, Cockspur Thornless

Trees

Hawthorn, Crimson Cloud

Trees

Hawthorn, Crusader Thornless

Trees

Hawthorn, Lavalle

Trees

Hawthorn, Paul's Scarlet

Trees

Hawthorn, Toba

Trees

Hawthorn, Washington

Trees

Hawthorn, Winter King

Trees

Helen's Flower, Sneezeweed, Aunt Helen's Flower

Perennials

Heliotrope

Annuals

Hellebore

Perennials

Hens And Chicks, Houseleek

Ground CoverPerennials

Herbal Thyme

Edibles

Hesperaloe, Little Giant

Perennials

Hibiscus, Hardy

Perennials

Hibiscus, Rose of Sharon

ShrubsTrees

Holly, Gem Box Inkberry

Shrubs

Holly, Luxus Globe Japanese

Shrubs

Holly, Royal Pair

Shrubs

Holly, Scallywag

Shrubs

Holly, Shamrock Inkberry

Shrubs

Holly, Sky Pencil Japanese

Shrubs

Hollyhock

Perennials

Honeylocust, Imperial

Trees

Honeylocust, Shademaster

Trees

Honeylocust, Skyline

Trees

Honeylocust, Sunburst

Trees

Honeysuckle Japanese, Hall's

Vines

Honeysuckle Shrub, Arnold's Red

Shrubs

Honeysuckle, Goldflame

Vines

Honeysuckle, Mandarin

Vines

Honeysuckle, Peaches and Cream Dutch

Vines

Honeysuckle, Pink Lemonade

Vines

Honeysuckle, Purple Japanese

Vines

Horehound, Silverheels Horehound, Silver Edged Horehound

PerennialsGround CoverEdibles

Hornbeam, Columnar

Trees

Hornbeam, Dwarf Columnar

Trees

Hornbeam, Dwarf Monument

Trees

Hornbeam, Emerald Avenue

Trees

Hornbeam, Frans Fontaine Columnar

Trees

Hornbeam, Lucas Columnar

Trees

Hornbeam, Rising Fire American

Hornwort

PerennialsPond Plants

Horsechestnut, Briotii (Ruby Red or Buckeye)

Trees

Horsechestnut, Fort McNair

Trees

Horsetail / Scouring Rush / Snake Grass

PerennialsPond Plants

Hosta

Perennials

Hummingbird Carpet, Hardy Fushia

PerennialsGround Cover

Hydrangea, Annabelle Smooth

Shrubs

Hydrangea, Berry White Panicle

Shrubs

Hydrangea, Bobo Panicle

Shrubs

Hydrangea, Candy Apple Panicle

Shrubs

Hydrangea, Diamond Rouge® Panicle

Shrubs

Hydrangea, Endless Summer® Summer Crush® Bigleaf

Shrubs

Hydrangea, Fire Light Panicle

Shrubs

Hydrangea, Incrediball Blush Smooth

Shrubs

Hydrangea, Incrediball Smooth

Shrubs

Hydrangea, Invincibelle Wee White Smooth

Perennials