Herbaceous Plants: Holy - Hort (93)
Holy Thistle
Homalomena
'Home Fires' Creeping Phlox
Homeria
'Homolosa' Bush Clover
'Honest Pleasure' Daylily
'Honesty' Money Plant
Honesty (spp.)
Honesty 'Honesty'
Honesty Variegated
Honesty White
Honey Plant (spp.)
Honey Plant Variegated
'Honeybells' Hosta
Honeydew Sage
'Honeysong Purple' Stokes' Aster
Honeysuckle, Mexican
Honeywort (spp.)
Honeywort Golden
Honeywort 'Purpurascens'
'Hong Chow Bowl' Sacred Lotus
Hong Kong Lily
'Honka' Dahlia
'Honky Tonk Blues' Tall Bearded German Iris
Hoodia
Hoodia: gordonii
Hoop & Petticoat Daffodil
'Hoosier Harmony' Hosta
Hop Goodenia
Hop Marjoram (spp.)
Hop Marjoram 'Amargcus Dictamnus'
Hop, Common Golden
Hop, Common 'Summer Shandy™'
Hop, Common 'Variegatus'
Hop, European Golden
Hop, European 'Summer Shandy™'
Hop, European 'Variegatus'
Hop, False
'Hope' Florist's Chrysanthemum
Hops, Ornamental Golden
Hops, Ornamental 'Summer Shandy™'
Hops, Ornamental 'Variegatus'
'Horizon Coral Halo' Garden Petunia
'Horizon Yellow' Garden Petunia
'Horizontalis' Calico Aster
Horn of Plenty (spp.)
Horn of Plenty 'Flore Pleno'
Horned Pansy (spp.)
Horned Pansy 'Alba Minor'
Horned Pansy 'Black Magic'
Horned Pansy 'Jupiter'
Horned Pansy 'Penny Primrose'
Horned Pansy 'Skippy XL Red-Gold'
Horned Pansy 'Sorbet Orange Duet'
Horned Pansy 'Splendens'
Horned Pansy White
Horned Poppy
Horned Tulip
Horned Violet (spp.)
Horned Violet 'Alba Minor'
Horned Violet 'Black Magic'
Horned Violet 'Jupiter'
Horned Violet 'Penny Primrose'
Horned Violet 'Skippy XL Red-Gold'
Horned Violet 'Sorbet Orange Duet'
Horned Violet 'Splendens'
Horned Violet White
Horse Cane
Horse Gentian
Horse Nettle
Horsefoot
Horse-heal
Horsehoof
Horsemint (spp.)
Horsemint 'Cherokee'
Horsemint 'Jacob Cline'
Horsemint 'Mahogany'
Horsemint 'Marshal's Delight'
Horsemint 'Mohawk'
Horsemint 'Panorama'
Horsemint 'Prairie Night(Prarienacht)'
Horsemint 'Purpurkrone'
Horsemint 'Vintage Wine'
Horsemint: punctata
Horses Tail
Horsetail
Horsetail Restio
Horsetail, Common
Horsetail, Field
Horsetail, Mini
Horsetail, Rough
Horsetail: hyemale
'Hortensis' Japanese Aster