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Horse Chestnut

Aesculus glabra
Palmately compound leaves. Palmately compound leaves. Aesculus glabra form. Aesculus glabra form. Fruit, capsule. Fruit, capsule. Flowers Flowers Fruit open with 2 nuts inside. Fruit open with 2 nuts inside. Bark Bark

Horseflyweed

Baptisia tinctoria
Baptisia tinctoria Baptisia tinctoria Baptisia tinctoria Baptisia tinctoria Baptisia tinctoria Baptisia tinctoria Baptisia tinctoria flower Baptisia tinctoria flower Baptisia tinctoria Baptisia tinctoria

Horsehead Philodendron

Philodendron bipinnatifidum
Houseplant view Houseplant view Thaumatophyllum bipinnatifidum Thaumatophyllum bipinnatifidum Form Form foliage foliage Leaf blade Leaf blade Leaves Leaves

Horseherb

Calyptocarpus vialis
Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Calyptocarpus vialis Form Form

Horsemint

Monarda didyma
Erect leafy shoots with terminal clusters of deep pink flowers. Erect leafy shoots with terminal clusters of deep pink flowers. plant with Lantana camara 'Miss Huff' in summer in Moore County plant with Lantana camara 'Miss Huff' in summer in Moore County Erect leafy shoots with terminal clusters of scarlet flowers. Erect leafy shoots with terminal clusters of scarlet flowers. Erect leafy shoots with terminal clusters of red flowers. Erect leafy shoots with terminal clusters of red flowers. Emerging growth with opposite decussate leaves. Emerging growth with opposite decussate leaves. Erect leafy shoots with terminal clusters of deep pink flowers. Erect leafy shoots with terminal clusters of deep pink flowers.
3 Cultivars/Varieties

Horsemint

Monarda punctata
pink bracts subtending whorls of densely packed buds. pink bracts subtending whorls of densely packed buds. Inflorescences of pink bracts subtending pale yellow flowers. Inflorescences of pink bracts subtending pale yellow flowers. pink bracts subtending pale yellow, violet-speckled flowers. pink bracts subtending pale yellow, violet-speckled flowers. pink bracts subtending pale yellow, violet-speckled flowers. pink bracts subtending pale yellow, violet-speckled flowers. Close-up on yellow, 2-lipped flowers with violet spots. Close-up on yellow, 2-lipped flowers with violet spots. Butterfly on flowers borne in whorls on vertical stems. Butterfly on flowers borne in whorls on vertical stems.

Horsemint

Monarda media
A wild stand of erect plants with clusters of pink flowers. A wild stand of erect plants with clusters of pink flowers. Cluster of pink, tubular, 2-lipped flowers. Cluster of pink, tubular, 2-lipped flowers. Cluster of pink, tubular, 2-lipped flowers. Cluster of pink, tubular, 2-lipped flowers. POV looking up at the cluster of flowers & subtending bracts POV looking up at the cluster of flowers & subtending bracts Close-up of opposite, decussate leaves; finely serrated margin Close-up of opposite, decussate leaves; finely serrated margin Leafy shoot bearing a cluster of pink, tubular, 2-lipped flowers Leafy shoot bearing a cluster of pink, tubular, 2-lipped flowers

Horsenettle

Solanum carolinense
Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Form Form

Horse Nettle

Solanum carolinense
Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Solanum carolinense Form Form

Horseradish

Armoracia rusticana
Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana Armoracia rusticana
1 Cultivar/Variety

Horseshoe Vitex

Vitex negundo
Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo Vitex negundo
1 Cultivar/Variety

Horse's Tail

Sedum morganianum
Sedum morganianum Sedum morganianum Sedum morganianum Sedum morganianum Sedum morganianum bloom Sedum morganianum bloom
1 Cultivar/Variety

Horsesugar

Symplocos tinctoria
Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Flower close-up Flower close-up large call on a stem in a jar of water large call on a stem in a jar of water

Horse-sugar

Symplocos tinctoria
Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Symplocos tinctoria Flower close-up Flower close-up large call on a stem in a jar of water large call on a stem in a jar of water

Horsetail

Equisetum arvense
Equisetum arvense Equisetum arvense Equisetem arvense Equisetem arvense Equisetum arvense Equisetum arvense Equisetum arvense Equisetum arvense Equisetum arvense Equisetum arvense Equisetum arvense Equisetum arvense

Horsetops

Cirsium muticum
Cirsium muticum Cirsium muticum Cirsium muticum Cirsium muticum Circium muticum Circium muticum Cirsium muticum Cirsium muticum Cirsium muticum Cirsium muticum

Horseweed

Erigeron canadensis
Conyza canadensis flowerhead Conyza canadensis flowerhead Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.)

Horseweed

Erigeron speciosus
Flower buds in June in Harney County in Oregon Flower buds in June in Harney County in Oregon Form in July in Teton County, Wyoming Form in July in Teton County, Wyoming Form in September in Ward County, Colorado Form in September in Ward County, Colorado Flower closeup in September in Flagstaff, Arizona Flower closeup in September in Flagstaff, Arizona Seedpods in September in Rochester, Washington Seedpods in September in Rochester, Washington

Horse Weed

Erigeron canadensis
Conyza canadensis flowerhead Conyza canadensis flowerhead Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.) Conyza canadensis (L.)

Hortensia

Hydrangea arborescens Invincibelle™ Spirit 'NCHA1'
Hydrangea arborescens 'NCHA1' PP20,765 Hydrangea arborescens 'NCHA1' PP20,765 Hydrangea arborescens 'NCHA1' PP20,765 Hydrangea arborescens 'NCHA1' PP20,765 Flower Flower Flower Close-up Flower Close-up Dried Flower Head Dried Flower Head

Hortensia

Hydrangea arborescens
Hydrangea arborescens 'Annabelle' Hydrangea arborescens 'Annabelle' Hydrangea arborescens 'Annabelle' Hydrangea arborescens 'Annabelle' Hydrangea arborescens 'Grandiflora' Hydrangea arborescens 'Grandiflora' Hydrangea arborescens 'Invincibelle Spirit' Hydrangea arborescens 'Invincibelle Spirit' Hydrangea arborescens 'Invincibelle Spirit Hydrangea arborescens 'Invincibelle Spirit Hydrangea arborescens Hydrangea arborescens
9 Cultivars/Varieties

Hortensia

Hydrangea macrophylla
Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla Hydrangea macrophylla
37 Cultivars/Varieties

Hortensia

Hydrangea arborescens Invincibelle® Ruby 'NCHA3'
Hydrangea arborescens 'NCHA3' PPAF Hydrangea arborescens 'NCHA3' PPAF Hydrangea arborescens 'NCHA3' PPAF Hydrangea arborescens 'NCHA3' PPAF

Hosoba kan suge

Carex morrowii var. temnolepis 'Silk Tassel'
Carex morrowii var temnolepis 'Silk Tassel' Carex morrowii var temnolepis 'Silk Tassel' Carex morrowii var. temnolepis 'Silk Tassel' Carex morrowii var. temnolepis 'Silk Tassel'

Hosta

Hosta
Hosta spp. Hosta spp. Hosta spp. Hosta spp. form form Hosta Hosta Hosta Hosta flower bud, late spring, Warren County, NC flower bud, late spring, Warren County, NC
31 Cultivars/Varieties

Hosta

Hosta plantaginea
Hosta plantaginea Hosta plantaginea
4 Cultivars/Varieties

Hot Basil

Ocimum tenuiflorum
Opposite leaves Opposite leaves Ocimum tenuiflorum Ocimum tenuiflorum Ocimum tenuiflorum Ocimum tenuiflorum Purple-leaved seedling withy hairy stem. Purple-leaved seedling withy hairy stem. Ocimum tenuiflorum Ocimum tenuiflorum Green-leaved seedling with hairy stem. Green-leaved seedling with hairy stem.

Hot Pepper

Capsicum frutescens
Form Form
7 Cultivars/Varieties

Hot Pepper

Capsicum annuum Longum Group
Capsicum annuum Capsicum annuum Capsicum annuum (Longum group) Capsicum annuum (Longum group) Capsicum annuum (Longum group) Capsicum annuum (Longum group) Capsicum annuum Capsicum annuum Capsicum annuum Capsicum annuum

Hot Tamale rose

Rosa Hot Tamale 'JACpoy'
Small, reddish orange rose flowers. Small, reddish orange rose flowers.

Hot Water Plant

Achimenes
Flower detail Flower detail Close up of flowers and leaves Close up of flowers and leaves Different colors of the plant Different colors of the plant Flowers and leaves Flowers and leaves Form of plant Form of plant Flower Flower
13 Cultivars/Varieties

Hounds-ear

Bupleurum rotundifolium
Flowers Flowers Form Form Leaves Leaves Fruit Fruit
1 Cultivar/Variety

Hound's Ear

Bupleurum rotundifolium
Flowers Flowers Form Form Leaves Leaves Fruit Fruit
1 Cultivar/Variety

Hound's Tongue

Cynoglossum amabile
Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile Cynoglossum amabile
2 Cultivars/Varieties

House Holly Fern

Cyrtomium falcatum
Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum Cyrtomium falcatum
2 Cultivars/Varieties

Houseleek

Sempervivum
Form Form Form Form Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum
2 Cultivars/Varieties

House Leek

Sempervivum
Form Form Form Form Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum Sempervivum
2 Cultivars/Varieties

House Leek

Sempervivum tectorum
Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Sempervivum tectorum Form Form
2 Cultivars/Varieties

House Pine

Araucaria heterophylla
Araucaria heterophylla Araucaria heterophylla dense, dark green, awl-shaped, lanceolate, 0.5 inch long leaves dense, dark green, awl-shaped, lanceolate, 0.5 inch long leaves Araucaria heterophylla Araucaria heterophylla Leaves Leaves Branch Branch Native habitat Native habitat

Hoya

Hoya
11 Cultivars/Varieties

Hoya Aloha

Hoya curtisii
Small mottled leaves and tan-and-white flowers. Small mottled leaves and tan-and-white flowers. Close-up of leaves showing silvery spots and pubescent stems Close-up of leaves showing silvery spots and pubescent stems

Hubbard Squash

Cucurbita maxima
Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima Cucurbita maxima
6 Cultivars/Varieties

Hubricht's Amsonia

Amsonia hubrichtii
habit, Wake County, NC habit, Wake County, NC Amsonia hubrechtii Amsonia hubrechtii Amsonia hubrichtii Amsonia hubrichtii Amsonia hubrechtii Amsonia hubrechtii Amsonia hubrechtii Amsonia hubrechtii Amsonia hubrichtii Fall color Amsonia hubrichtii Fall color
2 Cultivars/Varieties

Huckleberries

Vaccinium
Vaccinium Vaccinium Vaccinium Vaccinium Vaccinium Vaccinium Vaccinium consanguineum Vaccinium consanguineum Vaccinium myrtilloides Vaccinium myrtilloides Vaccinium myrtillus Vaccinium myrtillus
14 Cultivars/Varieties

Huckleberry

Vaccinium arboreum
Form in bloom Form in bloom sparkleberry form in winter brunswick nature park sparkleberry form in winter brunswick nature park Flowers Flowers Vaccinium arboreum Vaccinium arboreum Vaccinium arboreum Vaccinium arboreum Vaccinium arboreum Vaccinium arboreum

'Hucskers Red' Penstemon

Penstemon digitalis 'Huskers Red'
Flowers Flowers Form in bloom Form in bloom Flowers Flowers Close up of flower Close up of flower Leaves Leaves Form Form

Hugher's Trillium

Trillium cuneatum
Form Form Flowers Flowers Flowers with mottled bracts Flowers with mottled bracts Trillium cuneatum Trillium cuneatum Trillium cuneatum Trillium cuneatum Trillium cuneatum Trillium cuneatum

Humeira

Indigofera tinctoria
pinnately compound leaves and a spike of pink pea flowers. pinnately compound leaves and a spike of pink pea flowers. pinnately compound leaves pinnately compound leaves pinnately compound leaves and a spike of pink pea flowers. pinnately compound leaves and a spike of pink pea flowers. pinnately compound leaves and a spike of pink pea flowers. pinnately compound leaves and a spike of pink pea flowers. Bucket of blue paste dye, & sprig of the plant next to it. Bucket of blue paste dye, & sprig of the plant next to it.