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Allegheny Onion

Allium cernuum
Form Form Flowers and buds Flowers and buds Allium cernuum Allium cernuum Leaves Leaves Fruits Fruits Allium cernuum Allium cernuum

Allegheny® Pawpaw

Asimina triloba 'Allegheny'
Hand holding an oblong greenish yellow fruit. Hand holding an oblong greenish yellow fruit. Cut fruit showing creamy orange flesh and large seeds. Cut fruit showing creamy orange flesh and large seeds.

Allegheny Serviceberry

Amelanchier laevis
Form Form Flowers Flowers Bark Bark Form in fall Form in fall Fruit Fruit Leaves Leaves
6 Cultivars/Varieties

Allegheny Spurge

Pachysandra procumbens
Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Pachysandra procumbens Leaves Leaves Leaves Leaves

Allegheny Stonecrop

Hylotelephium telephioides
Form in September in Luray, Virginia Form in September in Luray, Virginia Flower buds and leaves in August in Warren County, Virginia Flower buds and leaves in August in Warren County, Virginia Flower Closeup in August in Wahington, Virginia Flower Closeup in August in Wahington, Virginia

All-heal

Valeriana officinalis
Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis Valeriana officinalis

Alligator Fern

Microsorum musifolium
Fern with undivided leaves with warty texture. Fern with undivided leaves with warty texture. close-up of fern with undivided leaves showing venation. close-up of fern with undivided leaves showing venation.
1 Cultivar/Variety

Alligator Pear

Persea americana
Form Form Form Form Fruit Fruit Leaves Leaves Leaves and Flower Leaves and Flower Leaves Leaves

Alligator Plant

Haworthiopsis tessellata

Alligator Plant

Kalanchoe daigremontiana
potted plant with succulent leaves. Leaf edges bearing plants. potted plant with succulent leaves. Leaf edges bearing plants. Succulent leaves with tiny plantlets borne on the margins. Succulent leaves with tiny plantlets borne on the margins. Clusters of red, pendent, tubular flowers. Clusters of red, pendent, tubular flowers.
1 Cultivar/Variety

Alligatorweed

Alternanthera philoxeroides
Form in water Form in water Flower head Flower head Leaves and stem Leaves and stem Flower detail Flower detail Leaf close-up Leaf close-up Stem Stem

Alligator Weed

Alternanthera philoxeroides
Form in water Form in water Flower head Flower head Leaves and stem Leaves and stem Flower detail Flower detail Leaf close-up Leaf close-up Stem Stem

Allspice

Calycanthus chinensis
Single flower with broad outer tepals & smaller inner tepals. Single flower with broad outer tepals & smaller inner tepals. Shrub with coarse foliage & large white flowers. Shrub with coarse foliage & large white flowers. Single flower with broad outer tepals & smaller inner tepals. Single flower with broad outer tepals & smaller inner tepals. Shrub with coarse foliage & large white flowers. Shrub with coarse foliage & large white flowers. Large coarse leaves and globose flower buds. Large coarse leaves and globose flower buds. Foliage and large white flowers. Foliage and large white flowers.

All That Glitters® Viburnum

Viburnum deamii All That Glitters® 'SMVDLS'
Form in summer Form in summer Leaves Leaves Stem Stem

All That Glows® Viburnum

Viburnum deamii All That Glows® 'SMVDBL'
Form Form Form in bloom in the landscape Form in bloom in the landscape Flowers with butterfly Flowers with butterfly Flower buds Flower buds Leaf closeup Leaf closeup Leaf shapes Leaf shapes

All That Jazz

Rosa All That Jazz 'TWOadvance'
A dark pink, semi-double rose. A dark pink, semi-double rose. A dark pink, semi-double rose. A dark pink, semi-double rose. A dark pink, semi-double rose. A dark pink, semi-double rose. A dark pink, semi-double rose growing as a shrub. A dark pink, semi-double rose growing as a shrub.

Almaruat

Epilobium angustifolium
Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Epilobium angustifolium Showy hot pink flowers Showy hot pink flowers Epilobium angustifolium Epilobium angustifolium

Alocasia

Alocasia
Hand holding potted plant with heart-shaped leaves & white veins Hand holding potted plant with heart-shaped leaves & white veins Large, erect, arrowhead-shaped leaves protruding above a hedge Large, erect, arrowhead-shaped leaves protruding above a hedge Hand holding potted plant with narrow leaves & lobed margins Hand holding potted plant with narrow leaves & lobed margins Rounded, heart-shaped leaves with dark green veins. Rounded, heart-shaped leaves with dark green veins. Hear-shaped leaves with wavy margins & purple undersides. Hear-shaped leaves with wavy margins & purple undersides. Arrow-head shaped leaves with white veins. Arrow-head shaped leaves with white veins.
16 Cultivars/Varieties

Aloe

Aloe
basal rosette form, lance shaped leaves, lined with teeth basal rosette form, lance shaped leaves, lined with teeth Form Form potted plant with rosette of red speckled leaves & red flowers potted plant with rosette of red speckled leaves & red flowers Close up Close up Plant with offsets Plant with offsets Aloe gel from stem Aloe gel from stem
3 Cultivars/Varieties

Aloe

Aloe vera
Form of leaves in a rosette Form of leaves in a rosette Form in pot getting ready to bloom Form in pot getting ready to bloom Fom in a pot with gray-green thick succulent leaves Fom in a pot with gray-green thick succulent leaves Leaves with toothed margins Leaves with toothed margins Plants with many yellowish tubular flowers Plants with many yellowish tubular flowers Reddish orange tubular flowers on a spike Reddish orange tubular flowers on a spike

Aloe Vera

Aloe vera
Form of leaves in a rosette Form of leaves in a rosette Form in pot getting ready to bloom Form in pot getting ready to bloom Fom in a pot with gray-green thick succulent leaves Fom in a pot with gray-green thick succulent leaves Leaves with toothed margins Leaves with toothed margins Plants with many yellowish tubular flowers Plants with many yellowish tubular flowers Reddish orange tubular flowers on a spike Reddish orange tubular flowers on a spike

Aloe Yucca

Yucca aloifolia
Flowers Flowers Form Form Trunks Trunks Leaves Leaves Fruit Fruit Fruits Fruits
2 Cultivars/Varieties

Alpine Betony

Betonica officinalis subsp. officinalis
Betonica officinalis subsp. officinalis Betonica officinalis subsp. officinalis Betonica officinalis subsp. officinalis Betonica officinalis subsp. officinalis
1 Cultivar/Variety

Alpine Buttercup

Trollius farreri
Trollius farreri Trollius farreri Trollius farreri Trollius farreri Trollius farreri Trollius farreri
1 Cultivar/Variety

Alpine Current

Ribes alpinum
Flower and Leaf Flower and Leaf Fruit Fruit Form Form Used as a hedge Used as a hedge
3 Cultivars/Varieties

Alpine Fir

Abies lasiocarpa
Cones Cones Form Form Native habitat Native habitat Form (Hood River County, OR)-Late Fall Form (Hood River County, OR)-Late Fall Bark Bark Form with cones Form with cones
3 Cultivars/Varieties

Alpine Heath

Erica carnea
Erica carnea 'Challenger' Erica carnea 'Challenger' Erica carnea 'Challenger' Erica carnea 'Challenger' Erica carnea 'Isabell' Erica carnea 'Isabell' Erica carnea 'Pink Spangles' Erica carnea 'Pink Spangles' Erica carnea 'Springwood White' Erica carnea 'Springwood White' Form Form
23 Cultivars/Varieties

Alpine Violet

Cyclamen
Flowers Flowers

Alpine Wallflower

Erysimum linifolium
Form Form Leaves of E. 'Variegatum' Leaves of E. 'Variegatum' Flowers Flowers Leaves Leaves Stem and leaves Stem and leaves
6 Cultivars/Varieties

Alpine woodruff

Cynanchica gussonei
Flowers Flowers Flowers Flowers Flowers Flowers Flowers Flowers Flowers Flowers

Alsike Clover

Trifolium hybridum
Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum Trifolium hybridum

Altamiza

Tanacetum parthenium
Tanacetum parthenium Tanacetum parthenium Tanacetum parthenium Tanacetum parthenium Tanacetum parthenium Tanacetum parthenium Form Form Flowers Flowers Form Form
6 Cultivars/Varieties

Altar Lily

Zantedeschia aethiopica
Full grown clumping form Full grown clumping form Arrow-head shaped leaves. Arrow-head shaped leaves. White spathe and yellow spadix flower. White spathe and yellow spadix flower. Form Form Wavy leaf margins. Wavy leaf margins. Leaves arise from rhizomes. Leaves arise from rhizomes.
8 Cultivars/Varieties

Alternate Leaf Butterfly Bush

Buddleja alternifolia
Buddleja alternifolia flowers Buddleja alternifolia flowers Buddleja alternifolia (fountain butterfly bush) Buddleja alternifolia (fountain butterfly bush) Buddleja alternifolia form Buddleja alternifolia form Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia Buddleja alternifolia
1 Cultivar/Variety

Alternate-leaf Dogwood

Cornus alternifolia
Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia - flower clusters up close Cornus alternifolia - flower clusters up close Cornus alternifolia Cornus alternifolia Form, Buncombe Co. NC, early fall Form, Buncombe Co. NC, early fall
9 Cultivars/Varieties

Alternateleaf Dogwood

Cornus alternifolia
Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia Cornus alternifolia - flower clusters up close Cornus alternifolia - flower clusters up close Cornus alternifolia Cornus alternifolia Form, Buncombe Co. NC, early fall Form, Buncombe Co. NC, early fall
9 Cultivars/Varieties

Alternate-leaved Butterfly Bush

Buddleja alternifolia
Buddleja alternifolia flowers Buddleja alternifolia flowers Buddleja alternifolia (fountain butterfly bush) Buddleja alternifolia (fountain butterfly bush) Buddleja alternifolia form Buddleja alternifolia form Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia leaves Buddleja alternifolia Buddleja alternifolia
1 Cultivar/Variety

Alternate-leaved Seedbox

Ludwigia alternifolia
Flower Flower Size perspective Size perspective Seedpod Seedpod Seed Stem Seed Stem

Altissimo rose

Rosa Altissimo 'Delmur'
Form Form Form Form Flower Flower Flower and leaves taken in Summer Flower and leaves taken in Summer

Aluminum plant

Pilea cadierei
Leaves Leaves Form Form Form Form Leaves Leaves Leaves Leaves Flower Flower
2 Cultivars/Varieties

Alumroot

Heuchera americana
Heuchera americana Heuchera americana Form - Top view from above the flower stalks Form - Top view from above the flower stalks Closeup of Leaf Closeup of Leaf Closeup of Backside of Leaf Closeup of Backside of Leaf Form with emerging flower buds and stalk Form with emerging flower buds and stalk Form with flower buds and stalk Form with flower buds and stalk

Alumroot

Heuchera sanguinea
form, flowers and leaves form, flowers and leaves Heuchera sanguinea Heuchera sanguinea

Alumroot

Heuchera
Heuchera cultivars Heuchera cultivars Heuchera 'Berry Smoothie' leaves Heuchera 'Berry Smoothie' leaves Heuchera sanguinea flowers Heuchera sanguinea flowers Heuchera leaves with frost Heuchera leaves with frost Heuchera border Heuchera border H. rubescens var. rydbergiana flower and stem closeup H. rubescens var. rydbergiana flower and stem closeup
19 Cultivars/Varieties

Alum Root

Heuchera 'Berry Smoothie'
Purple-red leaves Purple-red leaves Form Form Heuchera 'Berry Smoothie' leaves Heuchera 'Berry Smoothie' leaves Heuchera 'Berry Smoothie' red leaves Heuchera 'Berry Smoothie' red leaves

Alyssum

Lobularia maritima
Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima Lobularia maritima
9 Cultivars/Varieties

Amabilis fir

Abies amabilis
Form Form Top of foliage Top of foliage Underside of foliage Underside of foliage Branch with reddish hairs and stomal bands on needles Branch with reddish hairs and stomal bands on needles Cones Cones Bark Bark

Amarante Douteuse

Amaranthus tricolor
Amaranthus tricolor Amaranthus tricolor Amaranthus tricolor 'Perfecta' Amaranthus tricolor 'Perfecta' Amaranthus tricolor 'Illuminationn' Amaranthus tricolor 'Illuminationn' Amaranthus tricolor Amaranthus tricolor Amaranthus gangeticus Amaranthus gangeticus
3 Cultivars/Varieties

Amaranthus Magic Fountains mix

Amaranthus 'Magic Fountain'