Herbaceous Plants: Herb - Holl (141)
Herb of Grace (spp.)
Herb of Grace 'Blue Showers'
Herb of Grace 'Snowflake'
Herb of Grace: graveolens (spp.)
Herb of Grace: graveolens 'Jackman's Blue'
Herb Peter (spp.)
Herb, Felon (spp.)
Herb, Felon 'Cragg Barber Eye'
Herb, Felon 'Oriental Limelight'
'Herbal Rose' Sweet Scented Geranium
'Herbert Smith' Dahlia
'Herbstsonne' Shiny Coneflower
'Heritage Series' Lenten Rose
'Herman's Pride' Yellow Archangel
'Hermine' Waterlily
Heron's Bill Geranium White
Heron's Bill 'Roseum'
Heron's Bill 'Stork Bill Pink'
Heron's Bill: castellanum
Heron's Bill: gruinum
Heron's Bill: manescavii
Heron's Bill: rupestre
'Heronswood Mist' Foamflower: Tiarella
'Herrenhausen' Ornamental Oregano
'Herringbone Plant' Prayer Plant
'Hertcuneicon' Monkey Flower
Hesperaloe, Giant
Hesperaloe, Night Blooming
Hesperaloe, Red
'Hesperus' Daylily
'Heuros' Alumroot: Heuchera
'HGC Green Corsican' Christmas Rose
'HGC Jacob' Christmas Rose
'HGC Josef Lemper' Christmas Rose
'Hi Ho Silver' Hosta
Hibiscus, Annual 'Pacific Pink'
Hibiscus, Annual 'Pacific Scarlet'
Hibiscus, Annual 'Pacific Scarlet Orange'
Hibiscus, Red Leaf (spp.)
Hibiscus, Red Leaf 'Coppertone (Red Shield)'
Hibiscus, Red Leaf 'Jungle Red'
Hibiscus, Sweet
'Hidalgo' Betony
'Hidcote Pink' Bearded Tongue: Penstemon
Hidden Lily Ginger (spp.)
Hidden Lily Ginger 'Emperor'
Hidden Lily Ginger: roscoeana (spp.)
Hidden Lily Ginger: roscoeana 'White Flame'
Hidden Lily Ginger: zedoaria
'Hidden World' Tall Bearded German Iris
'High Contrast' Lungwort: hybrid
High Mallow 'Zebrina'
'High Society' Alumroot: Heuchera
'Highcliffe' Milky Bellflower
'Highland Cream' Creeping Thyme
Highway Ice Plant
'Hillside Pink Sheffield' Florist's Chrysanthemum
'Hillside Sheffield' Florist's Chrysanthemum
'Hilo Beauty' Elephant's Ear: Alocasia
'Hilo Holiday' Rex Begonia
Himalayan Blue Poppy (spp.)
Himalayan Blue Poppy 'Lingholm'
Himalayan Fleece Flower (spp.)
Himalayan Fleece Flower 'Border Jewel'
Himalayan Foxtail Lily
Himalayan Gloxinia
Himalayan Mint Shrub
'Hime-kan-suge' Sedge
Hindu Datura (spp.)
Hindu Datura 'Flore Pleno'
Hindu Rope Plant (spp.)
Hindu Rope Plant Variegated
Hinkley's Yellow Columbine
Hoary Sunray
'Hobbit' Fescue
'Hoffman's Red' Border Pink
'Hoki' Japanese Tree Peony
'Holiday' Common Sunflower
'Holiday Flame' Ornamental Chili Pepper
'Hollard's Gold' Common Bear's Breeches
Hollowleaf Annual Lupine
Holly Fern (spp.)
Holly Fern Variegated
Holly Fern: falcatum
Holly Fern: nepalense
'Holly Herrema' Daylily
Holly, Alpine Sea (spp.)
Holly, Alpine Sea 'Blue Star'
Holly, Flat Sea (spp.)
Holly, Flat Sea 'Blaukappe'
Holly, Flat Sea 'Jade Frost'
Holly, Flat Sea 'Tetra Petra'
Holly, Mediterranean Sea
Holly, Moroccan Sea
Holly, Sea 'Sapphire Blue'
Holly, Sea (spp.)
Holly, Sea 'Silver Ghost'
Holly, Sea 'White Silver'
Holly: agavifolium, Sea
Holly: aquaticum, Sea
Holly: bromeliifolium, Sea
Holly: dichotomum, Sea
Holly: eburneum, Sea
Holly: maritimum, Sea (spp.)
Holly: maritimum, Sea Variegated
Holly: minor, English (spp.)
Holly: minor, English 'Bowle's Variety'
Holly: minor, English 'Illumination'
Holly: minor, English 'Pacifica Pink'
Holly: minor, English 'Sterling Silver'
Holly: minor, English Variegated
Holly: oliverianumhybrid, Sea
Holly: proteiflorum, Sea
Holly: serbicum, Sea
Holly: serra, Sea
Holly: spinalba, Sea
Holly: tricuspidatum, Sea
Holly: tripartitumhybrid, Sea
Holly: umbelliferum, Sea
Holly: venustum, Sea
Holly: zabeliihybrid, Sea (spp.)
Holly: zabeliihybrid, Sea 'Spring Bells'
Hollyhock Mallow (spp.)
Hollyhock Mallow 'Fastigiata'
Hollyhock Mallow 'Peaches and Dreams'
Hollyhock (spp.)
Hollyhock 'Summer Memories'
Hollyhock 'Chater's Double'
Hollyhock 'Chater's Purple'
Hollyhock 'Creme de Cassis'
Hollyhock 'Peaches 'n' Dreams'
Hollyhock 'Queeny Purple'
Hollyhock 'Summer Carnival'
Hollyhock 'The Watchman'
Hollyhock, Antwerp
Hollyhock, Desert
Hollyhock, French 'Zebrina'
Hollyhock: officinalis
Hollyhock: rugosa
'Holly's Honey' Hosta
'Hollywood' Daffodil