Intermediate Trees

Aglaia Shasta Daisy	Leucanthemum superbum 'Aglaia'
Aladdin's Sun Asiatic Lily	Lilium 'Aladdin's Sun'
Alaska Shasta Daisy	Leucanthemum superbum 'Alaska'
Albus Balloon Flower	Platycodon grandiflorus 'Albus'
Alice Haslem New York Aster	Aster novi-belgii 'Alice Haslem'
Allium Globemaster	Allium 'Globemaster'
Allium Purple Sensation	Allium 'Purple sensation'
Alma Potschke New England Aster	Aster novae-angliae 'Alma Potschke'
Always Afternoon Daylily	Hemerocallis 'Always Afternoon'
Amethyst Garden Phlox	Phlox paniculata 'Amethyst'
Andrea Atkinson Windflower	Anemone x hybrida 'Andrea Atkinson'
Anise Hyssop	Agastache foeniculum
Anthea Yarrow	Achillea 'Anthea'
Appleblossom Yarrow	Achillea 'Appleblossom'
Applemint	Mentha suaveolens 'Mobellei'
Aquarius Bee Balm	Monarda didyma 'Aquarius'
Arkansas Amsonia (Bluestar)	Amsonia hubrectii
Aromatic Aster	Aster oblongifolius
Arthur Simmonds Blue Mist Shrub	Caryopteris clandonensis 'Arthur Simmonds'
Asian Fleeceflower	Persicaria polymorpha
Aster	Aster
Astilbe	Astilbe
Auslese Lady's Mantle	Alchemilla mollis 'Auslese'
Autumn Joy Sedum	Sedum 'Autumn Joy'
Autumn Bride Coral Bells	Heuchera villosa 'Autumn Bride'
Autumn Fire Sedum	Sedum 'Autumn Fire'
Autumn Sun Coneflower	Echinacea nitida 'Herbstonne'
Azure Monkshood	Aconitum carmichaelii
Azure Monkshood	Aconitum carmichaelii 'Arendsii'
Azure Sage	Salvia azurea var. grandifolia
Baby Blessed Iris	Iris pumilla 'Baby Blessed'
Baby Blue Balloon Flower	Platycodon grandiflorus 'Baby Blue'
Baby Doll Bergenia	Bergenia 'Baby Doll'
Baja Daylily	Hemerocallis 'Baja'
Ballerina Geranium	Geranium cinereum 'Ballerina'
Bama Music Daylily	Hemerocallis 'Bama Music'
Barbara Mitchell Daylily	Hemerocallis 'Barbara Mitchell'
Basket of Gold	Aurinia saxatilis 'Compacta'
Becky Shasta Daisy	Leucanthemum superbum 'Becky'
Bevan's Bigroot Geranium	Geranium macrorrhizum 'Bevan's Variety'
Bielefeld Pink Lungwort	Pulmonaria 'Bielefeld Pink'
Big Ears Lamb's Ear	Stachys byzantina 'Big Ears'
Big Betony	Stachys macrantha 'Robusta'
Bigleaf Ligularia	Ligularia dentata 'Desdemona'
Big-Leaved Aster	Aster macrophyllus
Biokovo Cambridge Geranium	Geranium x cantabrigiense 'Biokovo'
Birch's Bellflower	Campanula 'Birch's Hybrid'
Black Eyed Susan Daylily	Hemerocallis 'Black Eyed Susan'
Black Knight Butterfly Bush	Buddleia davidii 'Black Knight'
Black Snakeroot	Cimicifuga racemosa
Black Hollyhock	Alcea rosea 'Nigra'
Black Eyed Susan	Rudbeckia fulgida var. sullivantii 'Goldsturm'
Blood Red Geranium	Geranium sanguineum
Bloody Dock	Rumex sanguineus
Blue Clips Bellflower	Campanula carpatica 'Blue Clips'
Blue Fortune Agastache	Agastache 'Blue Fortune'
Blue Spiderwort	Tradescantia 'Zwanenburg Blue'
Blue Stocking Bee Balm	Monarda didyma 'Blue Stocking'
Blue Wonder Cat Mint	Nepeta x faassenii 'Blue Wonder'
Blue Boy Garden Phlox	Phlox paniculata 'Blue Boy'
Blue John Veronica	Veronica longifolia 'Blue John'
Blue Lagoon Aster	Aster 'Blue Lagoon'
Blue Lungwort	Pulmonaria angustifolia
Blue Mist Shrub	Caryopteris clandonensis
Blue Paradise Garden Phlox	Phlox paniculata 'Blue Paradise'
Blue River II Rose Mallow	Hibiscus moscheutos ' Blue River II'
Blue Sheen Daylily	Hemerocallis 'Blue Sheen'
Blue Hill Sage	Salvia x superba 'Blauhugel'
Blue Peter Spiked Veronica	Veronica spicata 'Blue Peter'
Blushing Spires Chaste-tree	Vitex agnus-castus 'Blushing Spires'
Bonningdale White New York Aster	Aster novi-belgii 'Bonningdale White'
Bouncing Bet (Soapwort)	Saponaria officianalis
Brauner Bar Asiatic Lily	Lilium 'Brauner Bar'
Bressingham Bronze Coral Bells	Heuchera 'Bressingham Bronze'
Bressingham Glow Windflower	Anemone x hybrida 'Bressingham Glow'
Bright Eyes Garden Phlox	Phlox paniculata 'Bright Eyes'
Bright Sunset Daylily	Hemerocallis 'Bright Sunset'
Brilliant Showy Sedum	Sedum spectabile 'Brilliant'
British Sterling Lungwort	Pulmonaria 'British Sterling'
Bronze Beacon Coral Bells	Heuchera 'Bronze Beacon'
Brown Eyed Susan	Rudbeckia triloba
Brunette Snakeroot	Cimicifuga ramosa 'Brunette'
Burgundy Blanket Flower	Gaillardia x grandiflora 'Burgundy'
Burnet	Sanguisorba hakusanensis
Buttered Popcorn	Ranunculus 'Buttered Popcorn'
Butterfly Blue Pincushion Flower	Scabiosa columbaria 'Butterfly Blue'
Butterfly Bush	Buddleia alternifolia
Butterfly Weed	Asclepias tuberosa
Calico Aster	Aster laterifolius
Cambridge Geranium	Geranium x cantabrigiense 'Cambridge'
Can Can Coral Bells	Heuchera 'Can Can'
Candytuft	Iberis sempervirens
Cara Mia Daylily	Hemerocallis 'Cara Mia'
Caradonna Sage	Salvia nemorosa 'Caradonna'
Cardinal Lobelia	Lobelia cardinalis
Carmen Showy Sedum	Sedum spectabile 'Carmen'
Catherine Woodbury Daylily	Hemerocallis 'Catherine Woodbury'
Catmint	Nepeta
Cattleya Astilbe	Astilbe x arendsii 'Cattleya'
Celadine Poppy	Stylophorum diphyllum
Celeste New York Aster	Aster novi-belgii 'Celeste'
Cerise Queen Yarrow	Achillea millefolium 'Cerise Queen'
Chartreuse Bounty Iris	Iris sibirica 'Chartreuse Bounty'
Chatterbox Coral Bells	Heuchera sanguinea 'Chatterbox'
Cheddar Pink Dianthus	Dianthus gratianopolitanus
Cherry Cheeks Daylily	Hemerocallis 'Cherry Cheeks'
Chicago Apache Daylily	Hemerocallis 'Chicago Apache'
Chicago Fire Daylily	Hemerocallis 'Chicago Fire'
Chicago Heirloom Daylily	Hemerocallis 'Chicago Heirloom'
Chicago Star Daylily	Hemerocallis 'Chicago Star'
Chicago Sunrise Daylily	Hemerocallis 'Chicago Sunrise'
Chimney Bellflower	Campanula pyramidalis
Chocolate White Snakeroot	Eupatorium rugosum 'Chocolate'
Christmas Carol Daylily	Hemerocallis 'Christmas Carol'
Christmas Rose	Helleborus niger
Citrina Daylily	Hemerocallis 'Citrina'
Citronella Yarrow	Achillea 'Citronella'
Claire Grace Bee Balm	Monarda didyma 'Claire Grace'
Columbine	Aquilegia
Comfrey	Symphytum grandiflorum
Common Monkshood	Aconitum napellus
Concord Grape Spiderwort	Tradescantia 'Concord Grape'
Coombe Fishacre Calico Aster	Aster laterifolius 'Coombe Fishacre'
Coral Spring Lungwort	Pulmonaria longifolia 'Coral Spring'
Cori Hardy Ageratum	Eupatorium coelestinum 'Cori'
Corina Asiatic Lily	Lilium 'Corina'
Coronation Gold Yarrow	Achillea 'Coronation Gold'
Corryton Pink Daylily	Hemerocallis 'Corryton Pink'
Corsican Hellebore	Helleborus argutifolius
Cotton Boll Lamb's Ear	Stachys byzantina 'Cotton Boll'
Crazy Daisy Shasta Daisy	Leucanthemum superbum 'Crazy Daisy'
Cream Pincushion Flower	Scabiosa ochroleuca
Creeping Buttercup	Ranunculus repens 'Flore Pleno'
Creeping Jacob's Ladder	Polemonium reptans
Crimson Pincushion	Knautia macedonica
Crimson Prarie Daylily	Hemerocallis 'Crimson Prairie'
Crimson Star Columbine	Aquilegia x hybrida 'Crimson Star'
Culver's Root	Veronicastrum virginicum
Cushion Spurge	Euphorbia epithymoides
Cygnet White Coneflower	Echinacea purpurea 'Cygnet White'
Cypress Spurge	Euphorbia cyparissias
Czakor Bigroot Geranium	Geranium macrorrhizum 'Czakor'
Danielle Garden Phlox	Phlox paniculata 'Danielle'
Dark Knight Blue Mist Shrub	Caryopteris clandonensis 'Dark Knight'
Dartmore Butterfly Bush	Buddleia davidii 'Dartmore'
David Garden Phlox	Phlox paniculata 'David'
David Astilbe	Astilbe chinensis 'David'
Dawn to Dusk Catmint	Nepeta x faassenii 'Dawn to Dusk'
Dayglow Pink Foamy Bells	x Heucherella 'Dayglow Pink'
Daylily	Hemerocallis
Deerwort Boneset	Eupatorium aromaticum 'Joicus Variegated'
Delphinium (Larkspur)	Delphinium
Delta Snow Garden Phlox	Phlox paniculata 'Delta Snow'
Denia Pixie Asiatic Lily	Lilium 'Denia Pixie'
Deutschland Astilbe	Astilbe japonica 'Deutschland'
Dianthus	Dianthus
Dominic Daylily	Hemerocallis 'Dominic'
Donkey-Tail Spurge	Euphorbia myrsinites
Dora Bielefeld Lungwort	Pulmonaria 'Dora Bielefeld'
Dordogne Lungwort	Pulmonaria longifolia 'Dordogne'
Double Blue Balloon Flower	Platycodon grandiflorus 'Double Blue'
Double Firecracker Daylily	Hemerocallis 'Double Firecracker'
Dreaming Spires Iris	Iris sibirica 'Dreaming Spires'
Dusty Meadowrue	Thalictrum speciosissimum
Dwarf Chinese Astilbe	Astilbe chinensis 'Pumila'
Dwarf White Balloon Flower	Platycodon grandiflorus 'Pumilum Album'
Dwarf Goat's Beard	Aruncus aethusifolius
Early Sunrise Coreopsis	Coreopsis verticillata 'Early Sunrise'
Early Goldenrod	Solidago juncea
Eden's Glow Garden Phlox	Phlox paniculata 'Eden's Glow'
Eenie Weenie Daylily	Hemerocallis 'Eenie Weenie'
Elizabeth Astilbe	Astilbe 'Elizabeth'
Elsie Heugh Checkerbloom	Sidalcea 'Elsie Heugh'
Erlkonig Aster	Aster ericoides 'Erlkonig'
Eva Cullum Garden Phlox	Phlox paniculata 'Eva Cullum'
Evening Moonlight Daylily	Hemerocallis 'Evening Moonlight'
Eventide New York Aster	Aster novi-belgii 'Eventide'
Fairest One Garden Phlox	Phlox paniculata 'Fairest One'
Fall Astilbe	Astilbe chinensis var. taquetii 'Superba'
False Dragonhead	Physostegia virginiana
False Sunflower	Heliopsis helianthoides
Fanal Astilbe	Astilbe 'Fanal'
Featherleaf Rodger's Flower	Rodgersia pinnata 'Superba'
Fernleaf Tansy	Tanacetum vulgare crispum
Figleaf Hollyhock	Alcea ficifolia
Final Touch Daylily	Hemerocallis 'Final Touch'
Finale Astilbe	Astilbe 'Finale'
Firetail Mountainfleece Flower	Persicaria amplexicaulis 'Firetail'
Fireworks Rough Goldenrod	Solidago rugosa 'Fireworks'
First Choice Blue Mist Shrub	Caryopteris clandonensis 'First Choice'
Flammenspiel Sneezeweed	Helenium 'Flammenspiel'
Flore Pleno Meadowsweet	Filipendula vulgaris 'Flore Pleno'
Flowering Spurge	Euphorbia corollata
Flying Saucers Coreopsis	Coreopsis grandiflora 'Flying Saucers'
Forked Aster	Aster furcatus
Fragrant Delight Hyssop	Agastache foeniculum 'Fragrant Delight'
Frans Hals Daylily	Hemerocallis 'Frans Hals'
Franz Shubert Garden Phlox	Phlox paniculata 'Franz Shubert'
Frikart's Aster	Aster x frikartii 'Monch'
Frosted Elegance Garden Phlox	Phlox paniculata 'Frosted Elegance'
Frosty Morn Sedum	Sedum 'Frosty Morn'
Fuchsia Rose Veronica	Veronica longifolia 'Fuchsia Rose'
Fuji Blue Balloon Flower	Platycodon grandiflorus 'Fuji Blue'
Garden Mum	Chrysanthemum x morifolium
Garden Phlox	Phlox paniculata
Gateway Spotted Joe Pye Weed	Eupatorium maculatum 'Gateway'
Giles van Hees Veronica	Veronica 'Giles van Hees'
Globe Artichoke	Cynara cardunculus
Goat's Beard	Aruncus dioicus
Gold Queen Globeflower	Trollius cultorum 'Gold Queen'
Gold Spangles Goldenrod	Solidago 'Gold Spangles'
Golden Oregano	Origanum vulgare 'Aureum'
Golden Showers Coreopsis	Coreopsis verticillata 'Golden Showers'
Golden Baby Goldenrod	Solidago 'Golden Baby'
Golden Fleece Goldenrod	Solidago sphacelata 'Golden Fleece'
Goodness Grows Veronica	Veronica 'Goodness Grows'
Gooseneck Loosestrife	Lysimachia clethroides
Grape Knee-High Lobelia	Lobelia 'Grape Knee-High'
Grapeleaf Anemone	Anemone vitifolia 'Robustissima'
Great Blue Lobelia	Lobelia siphilitica
Great Solomon's Seal	Polygonatum commutatum
Hairy Coral Bells	Heuchera villosa
Happy Returns Daylily	Hemerocallis 'Happy Returns'
Hardy Ageratum	Eupatorium coelestinum
Harrington's Pink New England Aster	Aster novae-angliae 'Harrington's Pink'
Heartleaf Brunnera (Siberian Bugloss)	Brunnera macrophylla
Helene Von Stein Lamb's Ear	Stachys byzantina 'Helene Von Stein'
Hens and Chicks	Sempervivum sp.
Herman's Pride Yellow Archangel	Lamiastrum galeobdolon 'Herman's Pride'
Hillside Black Beauty Snakeroot	Cimicifuga ramosa 'Hillside Black Beauty'
Hollow Joe Pye Weed	Eupatorium fistulosum
Hollyhock	Alcea
Honeysong Pink New England Aster	Aster novae-angliae 'Honeysong Pink'
Honorine Jobert Windflower	Anemone x hybrida 'Honorine Jobert'
Hummelo Betony	Stachys monnieri 'Hummelo'
Husker Red Penstemon	Penstemon digitalis 'Husker Red'
Hyperion Daylily	Hemerocallis 'Hyperion'
Hyssopleaf Thoroughwort	Eupatorium hyssopifolium
Icicle Spiked Veronica	Veronica spicata 'Icicle'
Ideal Wood Blue Aster	Aster cordifolius 'Ideal'
Indian Spring Hollyhock	Alcea rosea 'Indian Spring'
Ingwersen's Bigroot Geranium	Geranium macrorrhizum 'Ingwersen's Variety'
Iris	Iris
Irish Eyes Black Eyed Susan	Rudbeckia hirta 'Irish Eyes'
Iron Butterfly Foamflower	Tiarella cordifolia 'Iron Butterfly'
Irrlicht Astilbe	Astilbe 'Irrlicht'
Jack Frost Siberian Bugloss	Brunnera macrophylla 'Jack Frost'
Jacob Cline Bee Balm	Monarda didyma 'Jacob Cline'
Japanese Anemone	Anemone japonica
Japanese Burnet	Sanguisorba obtusa
Japanese Cutleaf Aster	Kalimeris incisa
Jean Davis Lavender	Lavandula angustifolia 'Jean Davis'
Jenny New York Aster	Aster novi-belgii 'Jenny'
Jingle Shell Daylily	Hemerocallis 'Jingle Shell'
Johnson's Blue Geranium	Geranium x 'Johnson's Blue'
Kahone Meadowsweet	Filipendula ulmaria 'Kahone'
Karmina Cambridge Geranium	Geranium x cantabrigiense 'Karmina'
Katherine Garden Phlox	Phlox paniculata 'Katherine'
Katy McSparron Primrose	Primula veris 'Katy McSparron'
Kim's Knee High Purple Coneflower	Echinacea purpurea 'Kim's Knee High'
Klaus Jelitto Stoke's Aster	Stokesia laevis 'Klaus Jelitto'
Komachi Balloon Flower	Platycodon grandiflorus 'Komachi'
Lady Baltimore Rose Mallow	Hibiscus moscheutos 'Lady Baltimore'
Lady Eva Daylily	Hemerocallis 'Lady Eva'
Lady Fingers Daylily	Hemerocallis 'Lady Fingers'
Lady in Blue New York Aster	Aster novi-belgii 'Lady in Blue'
Lady Lavender	Lavandula angustifolia 'Lady'
Lady in Black Calico Aster	Aster lateriflorus 'Lady in Black'
Lady's Mantle	Alchemilla mollis
Lamb's Ear	Stachys byzantina
Langtress Siberian Bugloss	Brunnera macrophylla 'Langtrees'
Late Boneset	Eupatorium serotinum
Laura Garden Phlox	Phlox paniculata 'Laura'
Lavendelturm Culver's Root	Veronicastrum virginicum 'Lavendelturm'
Lavender	Lavandula angustifolia
Lavender Cotton	Santolina chamaecyparissus
Lavender Lady Lavender	Lavandula angustifolia 'Lavender Lady'
Lavender Mist Meadowrue	Thalictrum rochebrunianum
Lemon Pixie Asiatic Lily	Lilium 'Lemon Pixie'
Lenten Rose	Helleborus orientalis
Lily	Lilium
Lilyleaf Ladybells	Adenophora lilifolia
Limerock Ruby Coreopsis	Coreopsis 'Limerock Ruby'
Little Wine Cup Daylily	Hemerocallis 'Little Wine Cup'
Little Boy Garden Phlox	Phlox paniculata 'Little Boy'
Little Carlow Aster	Aster 'Little Carlow'
Little Princess Garden Phlox	Phlox paniculata 'Little Princess'
Little Spire Russian Sage	Perovskia atriplicifolia 'Little Spire'
Long-leaved Lungwort	Pulmonaria longifolia cevennensis
Look Again Garden Phlox	Phlox paniculata 'Look Again'
Lubeca Sage	Salvia nemorosa 'Lubeca'
Lyre-leaved Sage	Salvia lyrata 'Purple Knockout'
Maggie Daley Astilbe	Astilbe 'Maggie Daley'
Magic Fountain Series Delphinium	Delphinium 'Magic Fountain hybrids'
Magic Heavenly Blue Delphinium	Delphinium 'Magic Heavenly Blue'
Magnificence Carolina Garden Phlox	Phlox carolina 'Magnificence'
Magnus Purple Coneflower	Echinacea purpurea 'Magnus'
Marie Ballard New York Aster	Aster novi-belgii 'Marie Ballard'
Mariesii Balloon Flower	Platycodon grandiflorus 'Mariesii'
Marsh Spurge	Euphorbia palustris
Marshall's Delight Bee Balm	Monarda didyma 'Marshall's Delight'
Mary Todd Daylily	Hemerocallis 'Mary Todd'
Matrona Sedum	Sedum 'Matrona'
Mauve Catmint	Nepeta mussinii
May Night Sage	Salvia x superba 'May Night'
Meteor Showy Sedum	Sedum spectabile 'Meteor'
Mexican Evening Primrose	Oenothera berlanderi 'Siskiyou'
Michigan Lily	Lilium michiganense
Minor Bigroot Geranium	Geranium macrorrhizum 'Minor'
Miss Ellie Garden Phlox	Phlox paniculata 'Miss Ellie'
Miss Jill Garden Phlox	Phlox paniculata 'Miss Jill'
Miss Karen Garden Phlox	Phlox paniculata 'Miss Karen'
Miss Margie Garden Phlox	Phlox paniculata 'Miss Margie'
Miss Mary Garden Phlox	Phlox paniculata 'Miss Mary'
Miss Universe Garden Phlox	Phlox paniculata 'Miss Universe'
Moerheim Beauty Sneezeweed	Helenium 'Moerheim Beauty'
Mohrchen Sedum	Sedum 'Mohrchen'
Montana Hens and Chicks	Sempervivum montanum
Monte Cassino Aster	Aster pringlei 'Monte Casino'
Montrose Ruby Coral Bells	Heuchera micrantha 'Montrose Ruby'
Moonbeam Coreopsis	Coreopsis verticillata 'Moonbeam'
Moonshine Yarrow	Achillea 'Moonshine'
Morden's Pink Garden Loosestrife	Lythrum 'Morden's Pink'
Morning Red Bergenia	Bergenia 'Morgenrote'
Mother of Pearl Balloon Flower	Platycodon grandiflorus 'Perlmutterschale'
Mountain Bluet	Centaurea montana
Mt. St. Helens Coral Bells	Heuchera sanguinea 'Mt. St. Helens'
Munstead Lavender	Lavandula angustifolia 'Munstead'
Munstead Dark Red Sedum	Sedum telephium 'Munstead Dark Red'
Nanho Blue Butterfly Bush	Buddleia davidii 'Nanho Blue'
Nanho Purple Butterfly Bush	Buddleia davidii 'Nanho Purple'
Nanho White Butterfly Bush	Buddleia davidii 'Nanho White'
Narrow Spiked Ligularia 'The Rocket'	Ligularia stenocephala 'The Rocket'
Nashville Star Daylily	Hemerocallis 'Nashville Star'
Natascha Meadow Phlox	Phlox maculata 'Natascha'
Neon Sedum	Sedum 'Neon'
New York Aster	Aster novi-belgii
New Hampshire Blood Red Geranium	Geranium sanguineum 'New Hampshire'
Nicky Garden Phlox	Phlox paniculata 'Nicky'
Niobe New York Aster	Aster novi-belgii 'Niobe'
October Skies Aster	Aster oblongifolius 'October Skies'
October Stonecrop	Sedum sieboldii
Old Fashioned Bleeding Heart	Dicentra spectabilis
Old Fashioned Bleeding Heart 'Alba'	Dicentra spectabilis 'Alba'
Orange Man Cypress Spurge	Euphorbia cyparissias 'Orange Man'
Orange Meadowbrite™ Coneflower	Echinacea 'Art's Pride'
Orange Perfection Garden Phlox	Phlox paniculata 'Orange Perfection'
Orange Pixie Asiatic Lily	Lilium 'Orange Pixie'
Oriental Limelight Artemisia	Artemisia vulgaris 'Janlim'
Othello Bigleaf Ligularia	Ligularia dentata 'Othello'
Palace Purple Coral Bells	Heuchera micrantha 'Palace Purple'
Palace Passion Coral Bells	Heuchera sanguinea 'Palace Passion'
Pamina Japanese Windflower	Anemone x hybrida 'Pamina'
Paprika Yarrow	Achillea millefolium 'Paprika'
Pardon Me Daylily	Hemerocallis 'Pardon Me'
Patricia Ballard New York Aster	Aster novi-belgii 'Patricia Ballard'
Patricia Geranium	Geranium endressii 'Patricia'
Paul Aden Lungwort	Pulmonaria 'Paul Aden'
Peace Delphinium	Delphinium 'Peace'
Peach Blossom Astilbe	Astilbe 'Peach Blossom'
Peony	Paeonia
Pike's Peak Purple Penstemon	Penstemon mexicali 'Pike's Peak Purple'
Pillow Talk Peony	Paeonia 'Pillow Talk'
Pink Mist Pincushion Flower	Scabiosa columbaria 'Pink Mist'
Pink Obedient Plant	Physostegia virginiana 'Vivid'
Pink Coneflower	Echinacea pallida
Pink Turtlehead	Chelone lyonii
Pink Delight Butterfly Bush	Buddleia davidii 'Pink Delight'
Plum Pudding Coral Bells	Heuchera americana 'Plum Pudding'
Pocket Full of Gold	Hemerocallis 'Poczam'
Powis Castle Artemisia	Artemisia arborescens 'Powis Castle'
Prairie Coreopsis	Coreopsis palmata
Prarie Aster	Aster turbinellus
Prarie Blazingstar	Liatris pycnostachya
Precious Love Daylily	Hemerocallis 'Precious Love'
Primrose Heron Lamb's Ear	Stachys byzantina 'Primrose Heron'
Prince Henry Windflower	Anemone x hybrida 'Prince Henry'
Purple Coneflower	Echinacea purpurea
Purple de Oro Daylily	Hemerocallis 'Purple de Oro'
Purple Poppy Mallow (Wine Cups)	Callirhoe involucrata
Purple Rain Sage	Salvia verticillata 'Purple Rain'
Purple Beauty Hens and Chicks	Sempervivum tectorum 'Purple Beauty'
Purple Lobelia	Lobelia x gerardii 'Vedariensis'
Purple Petticoats Coral Bells	Heuchera 'Purple Petticoats'
Purple Smoke Indigo	Baptisia 'Purple Smoke'
Purple Spurge	Euphorbia dulcis 'Chameleon'
Purple Dome New England Aster	Aster novae-angliae 'Purple Dome'
Purple Candles Astilbe	Astilbe chinensis var. taquetii 'Purpurkerze'
Purple-leaf Snakeroot	Cimicifuga ramosa 'Atropurpurea'
Purple-leaved Coral Bells	Heuchera villosa 'Purpurea'
Queen's Fancy Asiatic Lily	Lilium 'Queen's Fancy'
Quick Silver Foamy Bells	x Heucherella 'Quick Silver'
Raspberry Splash Lungwort	Pulmonaria saccharata 'Raspberry Splash'
Rattlesnake-master	Eryngium yuccifolium
Raydon's Favorite Aster	Aster oblongifolius 'Raydon's Favorite'
Red Cloud Spiderwort	Tradescantia 'Red Cloud'
Red Dwarf Asiatic Lily	Lilium 'Red Dwarf'
Red Magic Garden Phlox	Phlox paniculata 'Red Magic'
Red Riding Hood Garden Phlox	Phlox paniculata 'Red Riding Hood'
Red Star New York Aster	Aster novi-belgii 'Red Star'
Rheinland Astilbe	Astilbe 'Rheinland'
Ring of Fire Coral Bells	Heuchera americana 'Ring of Fire'
Rocky Mountain Gayfeather	Liatris ligulistylis
Rose Campion	Lychnis coronaria
Rose Coreopsis	Coreopsis x rosea
Rose Turtlehead	Chelone obliqua
Rosenwichtel New York Aster	Aster novi-belgii 'Rosenwichtel'
Rotblum Heartleaf Bergenia	Bergenia cordifolia 'Rotblum'
Roy Davidson Lungwort	Pulmonaria 'Roy Davidson'
Royal Candles Spiked Veronica	Veronica spicata 'Royal Candles'
Royal Red Butterfly Bush	Buddleia davidii 'Royal Red'
Ruby Slippers Lobelia	Lobelia 'Ruby Slippers'
Ruby Glow Sedum	Sedum 'Ruby Glow'
Ruby Star Purple Coneflower	Echinacea purpurea 'Rubinstern'
Russian Sage	Perovskia atriplicifolia
Sailor Boy New York Aster	Aster novi-belgii 'Sailor Boy'
Sand Coreopsis	Coreopsis lanceolata
Scarlet Orbit Daylily	Hemerocallis 'Scarlet Orbit'
Sea Lavender	Limonium latifolium
Sentimental Blue Balloon Flower	Platycodon grandiflorus 'Sentimental Blue'
September Charm Windflower	Anemone x hybrida 'September Charm'
Serbian Bellflower	Campanula poscharskyana
Shavalski's Ligularia	Ligularia przewalskii
Shell Pink Balloon Flower	Platycodon grandiflorus 'Shell Pink'
Shieldleaf Rodger's Flower	Rodgersia tabularis
Shortwood Garden Phlox	Phlox paniculata 'Shortwood'
Siloam June Bug Daylily	Hemerocallis 'Siloam June Bug'
Silver Carpet Lamb's Ear	Stachys byzantina 'Silver Carpet'
Silver Frost Butterfly Bush	Buddleia davidii 'Silver Frost'
Silver Sage	Salvia argentia
Silver Blade™ Ozark Sundrops	Oenothera macrocarpa 'Silver Blade'
Silvermound Artemisia	Artemisia schmidtiana 'Silvermound'
Sissinghurst White Lungwort	Pulmonaria officinalis 'Sissinghurst White'
Six Hills Giant Cat Mint	Nepeta x faassenii 'Six Hills Giant'
Skeleton Key Foamflower	Tiarella 'Skeleton Key'
Sky Blue Aster	Aster azureus
Small Globethistle	Echinops ritro
Smooth Blue Aster	Aster laevis
Snow Angel Coral Bells	Heuchera 'Snow Angel'
Snow Cushion New York Aster	Aster novi-belgii 'Schneekissen'
Snow Flurry Aster	Aster ericoides 'Snow Flurry'
Snow Hill Sage	Salvia x superba 'Snow Hill'
Snowbank False Chamomile	Boltonia asteroides 'Snowbank'
Snowcap Spiderwort	Tradescantia 'Snowcap'
Snowdrop Anemone	Anemone sylvestris
Snowflake Candytuft	Iberis sempervirens 'Snowflake'
Snowflake Cat Mint	Nepeta x faassenii 'Snowflake'
Southernwood Artemisia	Artemisia abrotanum
Spike Gayfeather	Liatris spicata 'Kobald'
Spotted Joe Pye Weed	Eupatorium maculatum
Spotted Geranium	Geranium maculatum
Spring Symphony Foamflower	Tiarella 'Spring Symphony'
Sprite Astilbe	Astilbe simplicifolia 'Sprite'
Sprite Daylily	Hemerocallis 'Sprite'
St. Ola Cambridge Geranium	Geranium x cantabrigiense 'St. Ola'
Starfire Garden Phlox	Phlox paniculata 'Starfire'
Starry Solomon's Seal	Smilacina stellata
Stella de Oro Daylily	Hemerocallis 'Stella de Oro'
Sterling Star Asiatic Lily	Lilium 'Sterling Star'
Sternhimmel Garden Phlox	Phlox paniculata 'Sternhimmel'
Stinking Hellebore	Helleborus foetidus
Strawberry Candy Coral Bells	Heuchera 'Strawberry Candy'
Strawberry Candy Daylily	Hemerocallis 'Strawberry Candy'
Striped Blood Red Geranium	Geranium sanguineum 'Lancastriense'
Striped Stonecrop	Sedum alboroseum 'Mediovariegatum'
Summer Wine Daylily	Hemerocallis 'Summer Wine'
Summer Beauty Butterfly Bush	Buddleia davidii 'Summer Beauty'
Summer Sun False Sunflower	Heliopsis helianthoides 'Summer Sun'
Sundrops	Oenothera tetragona
Sunny Border Blue Spiked Veronica	Veronica spicata 'Sunny Border Blue'
Sunray Coreopsis	Coreopsis 'Sunray'
Sunset Cloud Sedum	Sedum 'Sunset Cloud'
Sweet Dreams Pink Coreopsis	Coreopsis x rosea 'Sweet Dreams'
Sweet Iris (Variegated Iris)	Iris pallida 'Variegata'
Sweet Black Eyed Susan	Rudbeckia subtomentosa
Sweet Kate Spiderwort	Tradescantia 'Sweet Kate'
Sweet Joe Pye Weed	Eupatorium purpureum
Switzerland Shasta Daisy	Leucanthemum superbum 'Switzerland'
Tall Goldenrod	Solidago altissima
Tatarian Aster	Aster tataricus 'Jindai'
Telham Beauty Peachleaf Bellflower	Campanula persicifolia 'Telham Beauty'
Tennessee Coneflower	Echinacea tennesseensis
Tenor Garden Phlox	Phlox paniculata 'Tenor'
Terra Cotta Yarrow	Achillea 'Terra Cotta'
The Pearl Sneezewort Yarrow	Achillea ptarmica 'The Pearl'
Threadleaf Coreopsis	Coreopsis verticillata
Thread-leaved Purple Poppy Mallow	Callirhoe involucrata var. tenuissima
Togen Toad Lily	Tricyrtis togen
Torchlight Blanket Flower	Gaillardia 'Torchlight'
Trailing Fleabane	Erigeron karvinskianus 'Profusion'
Ultra Violet Pincushion Flower	Scabiosa columbaria 'Ultra Violet'
Uspech Garden Phlox	Phlox paniculata 'Uspech'
Valerie Finnis Artemisia	Artemisia ludoviciana 'Valerie Finnis'
Variegated Bigroot Geranium	Geranium macrorrhizum 'Variegata'
Variegated Blue Mist Shrub	Caryopteris divaricata 'Snow Fairy'
Variegated Fragrant Solomon's Seal	Polygonatum odoratum 'Variegatum'
Variegated Yellow Archangel	Lamiastrum galeobdolon 'Variegatum'
Variegated Yellow Loosestrife	Lysimachia punctata 'Alexander'
Variegated Zigzag Goldenrod	Solidago flexicaulis 'Variegata'
Velvet Night Coral Bells	Heuchera americana 'Velvet Night'
Vera Jameson Sedum	Sedum 'Vera Jameson'
Viola	Viola
Violet Queen Bee Balm	Monarda didyma 'Violet Queen'
Virginia Bluebells	Mertensia virginica
Visions Astilbe	Astilbe chinensis 'Visions'
Vivacious Daylily	Hemerocallis 'Vivacious'
Walker's Low Cat Mint	Nepeta x faassenii 'Walker's Low'
Wargrave Pink Geranium	Geranium endressi 'Wargrave Pink'
Wedding Lace New England Aster	Aster novae-angliae 'Wedding Lace'
Wedding Meadow Phlox	Phlox maculata 'Miss Lingard'
Western Ironweed	Vernonia fasiculata
White Clips Bellflower	Campanula carpatica 'White Clips'
White Profusion Butterfly Bush	Buddleia davidii 'White Profusion'
White Alpine Veronica	Veronica alpina 'Alba'
White Flat-Topped Aster	Aster umbellatus
White Hardy Ageratum	Eupatorium coelestinum alba
White Lustre Coneflower	Echinacea purpurea 'White Lustre'
White Pearl Kamchatka Snakeroot	Cimicifuga simplex 'White Pearl'
White Regal Lily	Lilium regale 'Album'
White Snakeroot	Eupatorium rugosum
White Towers Hairy Toad Lily	Tricyrtis hirta 'White Towers'
White Wild Indigo	Baptisia alba
White Wood Aster	Aster divaricatus
White Blood Red Geranium	Geranium sanguineum 'Album'
White Swan Coneflower	Echinacea purpurea 'White Swan'
Wild Blue Indigo	Baptisia australis
Wild Columbine	Aquilegia canadensis
Wild Quinine	Parthenium integrifolium
Willow Amsonia	Amsonia tabernaemontana
Willowleaf Amsonia	Amsonia tabernaemontana var. salicfolia
Willow-leaf Sunflower	Helianthus salicifolius
Winston Churchill New York Aster	Aster novi-belgii 'Winston Churchill'
Woerlitzer's Gold Bigleaf Ligularia	Ligularia dentata 'Woerlitzer's Gold'
Wood's Blue Aster	Aster 'Wood's Blue'
Wood's Light Blue Aster	Aster 'Wood's Light Blue'
Wood's Purple Aster	Aster 'Woods Purple'
Wood's Pink Aster	Aster 'Woods Pink'
Wooly Speedwell	Veronica spicata subsp. incana
Yellow Corydalis	Corydalis lutea
Yellow Loosestrife	Lysimachia punctata
Yellow Plume Blanket Flower	Gaillardia pulchella picta 'Yellow Plume'
Yunan Meadowrue	Thalictrum delavayi
Zagreb Coreopsis	Coreopsis verticillata 'Zagreb'
Zigzag Goldenrod	Solidago flexicaulis
Zimbelstern Sneezeweed	Helenium autumnale 'Zimbelstern'