Echinacea paradoxa

Echinacea paradoxa

Bush's Purple Coneflower, Yellow Cone Flower, Yellow Coneflower

Echinacea purpurea

Echinacea purpurea

Eastern Purple Coneflower, Purple Coneflower

Echinops ritro

Echinops ritro

Globe Thistle, Southern Globethistle

Epilobium angustifolium

Epilobium angustifolium

Fireweed

Eremurus robustus

Eremerus robustus

Desert Candle, Foxtail Lily

Eryngium planum

Eryngium planum

Flat-leaved Eryngium, Plains Eryngo

Erysimum marshallii

Erysimum x marshallii

x MARSHALLII

Siberian Wallflower

Eschscholzia californica

Eschscholzia californica

California Poppy

Eupatorium perfoliatum

Eupatorium perfoliatum

Common Boneset, Thoroughwort

Euphorbia lathyris

Euphorbia lathyris

Caper Spurge, Gopher Plant, Gopher Spurge, Moleplant, Paper Spurge

Eutrochium fistulosum

Eutrochium fistulosum

Joe Pye Weed, Purple Thoroughwort, Queen Of The Meadow, Trumpetweed

Eutrochium maculatum

Eutrochium maculatum

Joe Pye Weed, Spotted Joe Pye Weed

Filipendula palmata

Filipendula palmata

Meadow Sweet, Meadowsweet, Siberian Meadowsweet

Fragaria vesca

Fragaria vesca

Wild Strawberry, Woodland Strawberry

Gentiana acaulis

Gentiana acaulis

Gentian, Stemless Gentian, Trumpet Gentian

Gentiana lutea

Gentiana lutea

Yellow Gentian

Gerbera jamesonii

Gerbera jamesonii

Barberton Daisy, Gerber Daisy, Transvaal Daisy

Helenium autumnale

Helenium autumnale

Bitterweed, Common Sneezeweed, Fall Sneezeweed, False Sunflower, Helen's Flower, Large-flowered Sneezeweed, Sneezeweed

Helianthus annuus

Helianthus annuus Autumn Beauty

'Autumn Beauty'

Autumn Beauty Common Sunflower

Helianthus annuus

Helianthus annuus Mongolian Giant

'Mongolian Giant'

Mongolian Giant Sunflower

Helianthus annuus

Helianthus annuus Titan

'Titan'

Titan Sunflower

Helleborus abchasicus

Helleborus abchasicus

Lenten Rose

Helleborus niger

Helleborus niger

Black Hellebore, Christmas Rose

Hemerocallis middendorffii

Hemerocallis middendorffii

Amur Daylily, Chinese Daylilly, Daylily, Middendorf Daylilly

Heracleum sphondylium

Heracleum sphondylium

Cow Parsnip, Eltrot

Hesperis matronalis

Hesperis matronalis

Dames Rocket

Hibiscus cannabinus

Hibiscus cannabinus

Brown Indianhemp, Kenaf

Hibiscus moscheutos

Hibiscus moscheutos

Common Rose Mallow, Crimsoneyed Rosemallow, Marsh Mallow

Hibiscus moscheutos

Hibiscus moscheutos var. palustris

var. Palustris

Common Rose Mallow, Crimsoneyed Rosemallow, Marsh Mallow

Hoita macrostachya

Hoita macrostachya

Large Leather-root

Hosta ventricosa

Hosta ventricosa

Blue Hosta, Blue Plantain Lily, Hosta

Hosta venusta

Hosta venusta

Plantain Lily

Hydrastis canadensis

Hydrastis canadensis

Golden Seal, Goldenseal

Hylomecon vernalis

Hylomecon vernalis

Forest Poppy

Hypericum perforatum

Hypericum perforatum

Common St. Johnswort

Hyssopus officinalis

Hyssopus officinalis

Herb Hyssop, Hyssop

Ipomoea purpurea

Ipomoea purpurea Grandpa Otts

'Grandpa Otts'

Grandpa Otts Morning Glory

Ipomoea tricolor

Ipomoea tricolor Heavenly Blue

'Heavenly Blue'

Heavenly Blue Morning Glory

Iris bloudowii

Iris bloudowii

Yellow Mongolian Iris

Iris crocea

Iris crocea

German Iris, Golden Flag

Iris foetidissima

Iris foetidissima

Gladdon, Gladwin Iris, Roast Beef Plant, Stinking Iris

Iris magnifica

Iris magnifica

Juno Iris

Iris magnifica

Iris magnifica f. caerulea

var. f. caerulea

Blue Juno Iris

Iris pseudacorus

Iris pseudacorus

Pale Yellow Iris, Yellow Flag

Iris sibirica

Iris sibirica

Siberian Iris

Iris versicolor

Iris versicolor

Blue Flag, Harlequin Blueflag, Larger Blueflag, Northern Blue Flag

Knautia arvensis

Knautia arvensis

Blue Buttons, Field Scabiosa, Field Scabious

Lathyrus odoratus

Lathyrus odoratus

Sweet Pea, Sweetpea

Lathyrus tuberosus

Lathyrus tuberosus

Tuberous Sweetpea

Lavatera cachemiriana

Lavatera cachemiriana

Cashmir Mallow, Kashmir Mallow, Lavatera, Tree Mallow