Clematis integrifolia

Clematis integrifolia

Solitary Clematis

Angelica atropurpurea

Angelica atropurpurea

Great Angelica, Purplestem Angelica

Dodecatheon denticulata

Primula denticulata Red

Primula var. Red

Red Drumstick Primrose, Red Drumstick Primula

Hosta ventricosa

Hosta ventricosa

Blue Hosta, Blue Plantain Lily, Hosta

Senna marilandica

Senna marilandica

Maryland Senna, Wild Senna

Helleborus niger

Helleborus niger

Black Hellebore, Christmas Rose

Hypericum perforatum

Hypericum perforatum

Common St. Johnswort

Aruncus vulgaris

Aruncus vulgaris

Bride's Feathers, Goatsbeard

Delphinium sp

Delphinium sp Pacific Giants Hybrids

'Pacific Giants Hybrids'

Pacific Giants Hybrids Delphimium

Veratrum nigrum

Veratrum nigrum

Black False Hellebore, False Hellebore

Gentiana lutea

Gentiana lutea

Yellow Gentian

Helenium autumnale

Helenium autumnale

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

Veratrum album

Veratrum album

White False Hellebore, White Hellebore

Gentiana acaulis

Gentiana acaulis

Gentian, Stemless Gentian

Elsholtzia stauntonii

Elsholtzia stauntonii F. Alba

var. F. Alba

White Mint Bush, White Mint Shrub

Serratula tinctoria

Serratula tinctoria

Centaury, Dyer's Plumeless Saw-wort, Sawwort

Campanula glomerata

Campanula glomerata

Clustered Bellflower, Dane's Blood

Lobelia siphilitica

Lobelia siphilitica Alba

var. Alba

Great White Blue Lobelia, White Cardinal Flower, White Lobelia

Thalictrum aquilegifolium

Thalictrum aquilegifolium

Columbine Meadow-rue, Meadow Rue

Adenophora bulleyana

Adenophora bulleyana

Ladybells

Senna roemeriana

Senna roemeriana

Twin-leaf Senna, Twoleaf Senna

Trollius europaeus

Trollius europaeus

Common Globeflower

Telekia speciosa

Telekia speciosa

Giant Ox Eye, Giant Oxeye, Heartleaf Oxeye, Yellow Oxeye

Dianthus plumarius

Dianthus plumarius Spring Beauty

'Spring Beauty'

Feathered Pink, Spring Beauty Carnation

Linaria maroccana

Linaria maroccana Northern Lights

'Northern Lights'

Moroccan Toadflax

Aster linosyris

Aster linosyris

Goldilocks, Goldilocks Aster

Machaeranthera tanacetifolia

Machaeranthera tanacetifolia

Tahoka Daisy, Tansey, Tanseyleaf Tansyaster

Limonium gmelinii

Limonium gmelinii

Siberian Statice

Scabiosa ochroleuca

Scabiosa ochroleuca

Cream Pincushions, Cream Scabious

Aconitum napellus

Aconitum napellus

Monk's Hood, Monk's-hood , Venus' Chariot

Agave utahensis

Agave utahensis

Utah Agave

Arisaema amurense

Arisaema amurense

Amur Jack In The Pulpit, Tian Nan Xing

Aristolochia serpentaria

Aristolochia serpentaria

Virginia Snake Root, Virginia Snakeroot

Asclepias cordifolia

Asclepias cordifolia

Heartleaf Milkweed

Bergenia cordifolia

Bergenia cordifolia

Heartleaf Bergenia

Carlina acaulis

Carlina acaulis Simplex

var. Simplex

Smooth Carlina

Centaurea montana

Centaurea montana Mountain Blue

'Mountain Blue'

Mountain Bluet, Perennial Cornflower

Clematis crispa

Clematis crispa

Blue Jasmine, Blue Jessamine, Curled Virgin's Bower, Curlflower, Curly Clematis, Marsh Clematis, Swamp Leather Flower, Swamp Leatherflower

Convolvulus cantabricus

Convolvulus cantabricus

Cantabrian Glorybind, Dwarf Morning Glory

Cornus canadensis

Cornus canadensis

Bunchberry, Bunchberry Dogwood

Echinops ritro

Echinops ritro

Globe Thistle, Southern Globethistle

Filipendula palmata

Filipendula palmata

Meadow Sweet, Meadowsweet, Siberian Meadowsweet

Helianthus annuus

Helianthus annuus Titan

'Titan'

Titan Sunflower

Helleborus abchasicus

Helleborus abchasicus

Lenten Rose

Hibiscus cannabinus

Hibiscus cannabinus

Brown Indianhemp, Kenaf

Hosta venusta

Hosta venusta

Plantain Lily

Iris crocea

Iris crocea

German Iris, Golden Flag

Iris pseudacorus

Iris pseudacorus

Pale Yellow Iris, Yellow Flag

Lathyrus tuberosus

Lathyrus tuberosus

Tuberous Sweetpea

Lavatera thuringiaca

Lavatera thuringiaca

Gay Mallow, Tree Lavatera, Tree Mallow