Hawthorn, Paul's Scarlet

Trees

Hawthorn, Toba

Trees

Hawthorn, Washington

Trees

Hawthorn, Winter King

Trees

Heather, Mediterranean

Ground CoverShrubs

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

Perennials

Hellebore

Perennials

Hens And Chicks, Houseleek

Ground CoverPerennials

Herbal Thyme

Edibles

Hibiscus, Hardy

Perennials

Hibiscus, Rose of Sharon

ShrubsTrees

Holly, Dwarf Pagoda Dwarf Japanese

Conifers

Holly, Gem Box Inkberry

Shrubs

Holly, Lucky Marble Japanese

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 Japanese, Purple

Vines

Honeysuckle Shrub, Arnold's Red

Shrubs

Honeysuckle, Goldflame

Vines

Honeysuckle, Mandarin

Vines

Honeysuckle, Peaches and Cream Dutch

Vines

Honeysuckle, Pink Lemonade

Vines

Honeysuckle, Thunderbolt Box

Shrubs

Horehound, Silverheels Horehound, Silver Edged Horehound

PerennialsGround CoverEdibles

Hornbeam, Columnar (Pyramidal)

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

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

Ice Plant

Ground CoverPerennials

Iris, Flag

PerennialsPond Plants

Ivy Boston, Green Showers

Vines

Ivy Boston, Veitchi

Vines

Ivy, Baltic Ivy

Ground CoverPerennials

Ivy, English Thorndale

Ground CoverPerennialsVines

Ivy, Glacier Ivy

Ground CoverPerennials

Ivy, Needlepoint Ivy

Ground CoverPerennials

Ivy, Rippleleaf Ivy

Ground Cover

Jack Frost, Siberian bugloss, Brunnera

PerennialsGround Cover

Jacob's Ladder

Perennials

Japanese Forest Grass, Forest Grass

Grass

Japanese Iris

Perennials

Japanese Lilac Tree, Ivory Pillar

Trees

Japanese Lilac Tree, Ivory Silk

Trees