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Achillea millefolium - Common Yarrow

Achillea millefolium 'Balvinred' - New Vintage Red Yarrow

Achillea ptarmica 'The Pearl' * - The Pearl Yarrow

Aconitum carmichaelii 'Arendsii' - Autumn Monkshood

Aconitum napellus - Common Monkshood

Aconitum x cammarum 'Bicolor' - Bicolor Monkshood

Actaea podocarpa - Mountain Bugbane

Aegopodium podagraria 'Variegata' - Variegated Bishop's Goutweed

Aeonium arboreum 'var. atropurpureum' - Purple Aeonium

Agastache 'Blue Fortune' - Blue Fortune Anise Hyssop

Agastache foeniculum - Anise Hyssop

Agastache foeniculum 'Golden Jubilee' - Golden Jubilee Anise Hyssop

Ajuga reptans - Common Bugleweed

Ajuga reptans 'Bronze Beauty' - Bronze Beauty Bugleweed

Ajuga reptans 'Burgundy Glow' - Burgundy Glow Bugleweed

Ajuga reptans 'Chocolate Chip' - Chocolate Chip Bugleweed

Alcea rosea - Hollyhock

Alcea rosea 'Chater's Double Red' - Chater's Double Red Hollyhock

Alchemilla mollis - Lady's Mantle

Allium cernuum - Nodding Onion

Allium schoenoprasum - Chives

Allium tuberosum - Garlic Chives

Amsonia tabernaemontana 'Blue Ice' - Blue Ice Star Flower

Andropogon gerardii 'Rain Dance' - Rain Dance Bluestem

Anemone patens - Prairie Pasque Flower

Anemone sylvestris - Windflower

Anemone sylvestris 'Grandiflora' - Snowdrop Windflower

Anemone tomentosa 'Robustissima' - Grapeleaf Anemone

Antenoron filiforme - Fleeceflower

Aquilegia 'McKana Pink' - McKana Pink Columbine

Aquilegia vulgaris - Common Columbine

Aquilegia vulgaris 'Black Barlow' - Black Barlow Columbine

Aquilegia vulgaris 'Nora Barlow' - Nora Barlow Columbine

Arabis caerulea - Rock Cress

Armeria maritima 'Alba' - White Sea Thrift

Armeria maritima 'Rubra' - Red Sea Thrift

Armeria maritima 'Rubrifolia' - Red-leaved Sea Thrift

Armeria maritima 'Splendens' - Splendens Sea Thrift

Armoracia rusticana - Horseradish

Arrhenatherum elatum 'Variegatum' - Variegated Oat Grass

Artemisia 'Powis Castle' - Powis Castle Artemesia

Artemisia ludoviciana 'Silver King' - Silver King Artemesia

Artemisia ludoviciana 'Silver Queen' - Siver Queen Artemesia

Artemisia schmidtiana 'Silver Mound' - Silver Mound Artemesia

Artemisia stelleriana 'Silver Brocade' - Silver Brocade Artemesia

Aruncus dioicus - Goatsbeard

Asclepias incarnata 'Cinderella' - Cinderella Milkweed

Asclepias tuberosa - Butterfly Weed

Aster 'Woods Blue' - Woods Blue Aster

Aster 'Woods Pink' - Woods Pink Aster

Aster alpinus 'Dark Beauty' - Dark Beauty Alpine Aster

Aster alpinus 'Happy End' - Happy End Alpine Aster

Aster novae-angliae 'Purple Dome' - Purple Dome Aster

Aster novi-belgii 'Alert' - Alert Aster

Aster novi-belgii 'Jenny' - Jenny Aster

Astilbe 'Fireberry' - Fireberry Astilbe

Astilbe 'Radius' - Radius Astilbe

Astilbe chinensis 'Visions' - Visions Astilbe

Astilbe chinensis 'Visions in Red' - Visions in Red Chinese Astilbe

Astilbe japonica 'Deutschland' - Deutschland Astilbe

Astilbe japonica 'Montgomery' - Montgomery Japanese Astilbe

Astilbe japonica 'Rheinland' - Rheinland Astilbe

Astilbe x arendsii 'Amethyst' - Amethyst Astilbe

Astilbe x arendsii 'Bressingham Beauty' - Bressingham Beauty Astilbe

Astilbe x arendsii 'Bridal Veil' - Bridal Veil Astilbe

Astilbe x arendsii 'Burgunderrot' - Burgundy Red Astilbe

Astilbe x arendsii 'Fanal' - Fanal Astilbe

Astilbe x arendsii 'Red Sentinel' - Red Sentinel Astilbe

Astilbe x rosea 'Peach Blossom' - Peach Blossom Astilbe

Astrantia major - Great Masterwort

Athyrium filix-femina - Lady Fern

Athyrium nipponicum 'Metallicum' - Japanese Painted Fern

Athyrium nipponicum 'Pictum' - Japanese Painted Fern

Athyrium nipponicum 'Regal Red' - Regal Red Painted Fern

Aubrieta 'Royal Violet' - Royal Violet Rock Cress

Baptisia australis - Blue Wild Indigo

Bellis perennis 'Bellissima Pink' - Bellisima™ Pink English Daisy

Bellis perennis 'Speedstar Pink' - Speedstar® Pink English Daisy

Bellis perennis 'Speedstar Red' - Speedstar® Red English Daisy

Bellis perennis 'Speedstar White' - Speedstar® White English Daisy

Bergenia 'Winterglut' - Winter Glow Bergenia

Bergenia cordifolia - Heartleaf Bergenia

Brunnera macrophylla - Siberian Bugloss

Buddleia 'Podaras 2' - Flutterby Grande® Sweet Marmalade Butterfly Bush

Buddleia 'Podaras 8' - Flutterby Petite® Blue Heaven Butterfly Bush

Calamagrostis x acutiflora 'Avalanche' - Avalanche Reed Grass

Calamagrostis x acutiflora 'El Dorado' - El Dorado Feather Reed Grass

Calamagrostis x acutiflora 'Karl Foerster' - Karl Foerster Reed Grass

Calamagrostis x acutiflora 'Overdam' - Variegated Reed Grass

Campanula 'Birch Hybrid' - Birch Hybrid Bellflower

Campanula carpatica - Carpathain Bellflower

Campanula carpatica 'Alba' - White Carpathain Bellflower

Campanula carpatica 'Blue Clips' - Blue Clips Bellflower

Campanula carpatica 'Blue Uniform' - Blue Uniform Bellflower

Campanula carpatica 'Rapido Blue' - Rapido Blue Bellflower

Campanula carpatica 'White Clips' - White Clips Bellflower

Campanula glomerata - Clustered Bellflower

Campanula persicifolia - Peachleaf Bellflower

Campanula poscharskyana - Serbian Bellflower

Campanula poscharskyana 'Blue Waterfall' - Blue Waterfall Serbian Bellflower

Campanula punctata 'Cherry Bells' - Cherry Bells Bellflower

Carex baldensis - Mount Baldo Sedge

Carex morrowii 'Ice Dance' - Ice Dance Sedge

Centaurea 'Amethyst Dream' - Amethyst Dream Cornflower

Centaurea dealbata - Cornflower

Cerastium tomentosum - Snow-In-Summer

Chelone glabra - Turtlehead

Chelone obliqua - Pink Turtlehead

Chrysanthemum 'Dark Pink Daisy' - Dark Pink Daisy Chrysanthemum

Cimicifuga racemosa - American Bugbane

Convallaria majalis - Lily-Of-The-Valley

Coreopsis 'Early Sunrise' - Early Sunrise Tickseed

Coreopsis grandiflora 'Sunfire' - Sunfire Tickseed

Coreopsis verticillata 'Zagreb' - Zagreb Tickseed

Delosperma nubigenum - Yellow Ice Plant

Delphinium 'Aurora Blue' - Aurora Blue Larkspur

Delphinium 'Black Knight' - Pacific Giant Black Knight Larkspur

Delphinium 'Blue Bird' - Pacific Giant Blue Bird Larkspur

Delphinium 'Magic Fountains Blue White Bee' - Magic Fountains Blue White Bee Larkspur

Delphinium 'Magic Fountains Cherry Blossom' - Magic Fountains Cherry Blossom Larkspur

Delphinium 'Magic Fountains Dark Blue Dark Bee' - Magic Fountains Dark Blue Dark Bee Larkspur

Delphinium grandiflorum 'Blue Butterfly' - Blue Butterfly Delphinium

Deschampsia cespitosa - Tufted Hair Grass

Dianthus 'Fire And Ice' - Fire And Ice Pinks

Dianthus barbatus - Sweet William

Dianthus deltoides - Maiden Pinks

Dianthus deltoides 'Arctic Fire' - Arctic Fire Maiden Pinks

Dianthus deltoides 'Brilliant' - Brilliant Maiden Pinks

Dianthus deltoides 'Flashing Light' - Flashing Light Maiden Pinks

Dianthus deltoides 'Zing Rose' - Zing Rose Maiden Pinks

Dianthus gratianopolitanus 'Firewitch' - Firewitch Pinks

Dianthus plumarius - Pinks

Dianthus plumarius 'White Lace' - White Lace Pinks

Dicentra 'Luxuriant' - Luxuriant Bleeding Heart

Dicentra eximia - Bleeding Heart

Dicentra formosa 'Aurora' - Aurora Bleeding Heart

Dicentra spectabilis - Common Bleeding Heart

Dicentra spectabilis 'Alba' - White Bleeding Heart

Dictamnus albus 'Rubra' - Rubra Gas Plant

Dictamnus albus 'var. purpureus' - Pink Gas Plant

Digitalis purpurea - Common Foxglove

Digitalis purpurea 'Candy Mountain' - Candy Mountain Foxglove

Dodecatheon meadia - Shooting Star

Dryopteris filix-mas - Male Fern

Echinacea purpurea - Purple Coneflower

Echinacea purpurea 'Double Decker' - Double Decker Coneflower

Echinacea purpurea 'Magnus' - Magnus Coneflower

Echinacea purpurea 'Primadonna Deep Rose' - Primadonna Deep Rose Coneflower

Echinacea purpurea 'Rubinstern' - Ruby Star™ Coneflower

Echinacea purpurea 'White Swan' - White Swan Coneflower

Echinops ritro - Globe Thistle

Echinops ritro 'Veitch's Blue' - Veitch's Blue Globe Thistle

Eryngium planum 'Blue Hobbit' - Blue Hobbit Sea Holly

Eupatorium maculatum - Joe Pye Weed

Euphorbia polychroma - Cushion Spurge

Festuca glauca - Blue Fescue

Festuca glauca 'Casca11' - Beyond Blue™ Blue Fescue

Festuca glauca 'Cool As Ice' - Cool As Ice Blue Fescue

Festuca glauca 'Elijah Blue' - Elijah Blue Fescue

Filipendula 'Kahome' - Kahome Meadowsweet

Filipendula rubra - Queen Of The Prairie

Filipendula rubra 'Venusta' - Venusta Queen Of The Prairie

Filipendula rubra 'Venusta Magnifica' - Venusta Queen Of The Prairie

Fragaria 'Everbearing' - Everbearing Strawberry

Fragaria 'Everest' * - Everest Strawberry

Fragaria 'June-Bearing' - June-Bearing Strawberry

Fragaria 'Kent' - Kent Strawberry

Fragaria 'Seascape' - Seascape Strawberry

Gaillardia x grandiflora 'Arizona Sun' - Arizona Sun Blanket Flower

Gaillardia x grandiflora 'Burgundy' - Burgundy Blanket Flower

Galium odoratum - Sweet Woodruff

Geranium 'Johnson's Blue' - Johnson's Blue Cranesbill

Geranium sanguineum - Bloody Cranesbill

Geranium sanguineum 'Album' - White Cranesbill

Geranium sanguineum 'Max Frei' - Max Frei Cranesbill

Gypsophila paniculata - Common Baby's Breath

Gypsophila repens 'Rosea' - Pink Creeping Baby's Breath

Helenium 'Red Army' - Red Army Sneezeweed

Helenium 'Sahin's Early Flowerer' - Sahin's Early Flowerer Sneezeweed

Helictotrichon sempervirens - Blue Oat Grass

Helictotrichon sempervirens 'Saphirsprudel' - Saphirsprudel Blue Oat Grass

Helictotrichon sempervirens 'Sapphire' - Sapphire Blue Oat Grass

Helictotrichon sempervirens 'Sapphire Blue' - Sapphire Blue Oat Grass

Helictotrichon sempervirens 'Sapphire Fountain' - Sapphire Fountain Oat Grass

Heliopsis helianthoides - False Sunflower

Heliopsis scabra - False Sunflower

Hemerocallis 'Anzac' - Anzac Daylily

Hemerocallis 'Autumn Red' - Autumn Red Daylily

Hemerocallis 'Barbara Mitchell' - Barbara Mitchell Daylily

Hemerocallis 'Blue Sheen' - Blue Sheen Daylily

Hemerocallis 'Bonanza' - Bonanza Daylily

Hemerocallis 'Catherine Woodbury' - Catherine Woodbury Daylily

Hemerocallis 'Daring Deception' - Daring Deception Daylily

Hemerocallis 'Frans Hals' - Frans Hals Daylily

Hemerocallis 'Gentle Shepherd' - Gentle Shepherd Daylily

Hemerocallis 'Happy Returns' - Happy Ever Appster® Happy Returns Daylily

Hemerocallis 'Hyperion' - Hyperion Daylily

Hemerocallis 'Joan Senior' - Joan Senior Daylily

Hemerocallis 'Lavender Blue Baby' - Lavender Blue Baby Daylily

Hemerocallis 'Little Business' - Little Business Daylily

Hemerocallis 'Luxury Lace' - Luxury Lace Daylily

Hemerocallis 'Mini Stella' - Mini Stella Daylily

Hemerocallis 'Pardon Me' - Pardon Me Daylily

Hemerocallis 'Purple de Oro' - Purple de Oro Daylily

Hemerocallis 'Rosy Returns' - Happy Ever Appster® Rosy Returns Daylily

Hemerocallis 'Ruby Stella' - Ruby Stella Daylily

Hemerocallis 'Siloam French Doll' - Siloam French Doll Daylily

Hemerocallis 'Siloam Showgirl' - Siloam Showgirl Daylily

Hemerocallis 'Stella de Oro' - Stella de Oro Daylily

Hemerocallis 'Strawberry Candy' - Strawberry Candy Daylily

Hemerocallis 'Summer Wine' - Summer Wine Daylily

Heuchera 'Obsidian' - Obsidian Coral Bells

Heuchera 'Velvet Night' - Velvet Night Coral Bells

Heuchera micrantha 'Bressingham Bronze' - Bressingham Bronze Coral Bells

Heuchera micrantha 'Palace Purple' - Palace Purple Coral Bells

Heucherella 'Burnished Bronze' - Burnished Bronze Foamy Bells

Hosta 'August Moon' - August Moon Hosta

Hosta 'Avocado' - Avocado Hosta

Hosta 'Blue Angel' - Blue Angel Hosta

Hosta 'Blue Cadet' - Blue Cadet Hosta

Hosta 'Bressingham Blue' - Bressingham Blue Hosta

Hosta 'Brim Cup' - Brim Cup Hosta

Hosta 'Chantilly Lace' - Chantilly Lace Hosta

Hosta 'Fire and Ice' - Fire and Ice Hosta

Hosta 'Fragrant Blue' - Fragrant Blue Hosta

Hosta 'Francee' - Francee Hosta

Hosta 'Frances Williams' - Frances Williams Hosta

Hosta 'Gold Standard' - Gold Standard Hosta

Hosta 'Golden Tiara' - Golden Tiara Hosta

Hosta 'Great Expectations' - Great Expectations Hosta

Hosta 'Guacamole' - Guacamole Hosta

Hosta 'Halcyon' - Halcyon Hosta

Hosta 'June' - June Hosta

Hosta 'Krossa Regal' - Krossa Regal Hosta

Hosta 'Loyalist' - Loyalist Hosta

Hosta 'Lucky Mouse' - Lucky Mouse Hosta

Hosta 'Patriot' - Patriot Hosta

Hosta 'Royal Standard' - Royal Standard Hosta

Hosta 'Sagae' - Sagae Hosta

Hosta 'Stained Glass' - Stained Glass Hosta

Hosta 'Sum and Substance' - Sum and Substance Hosta

Hosta 'Tokudama Aureonebulosa' - Aureonebulosa Hosta

Hosta 'True Blue' - True Blue Hosta

Hosta 'Wide Brim' - Wide Brim Hosta

Hosta lancifolia - Lanceleaf Hosta

Hosta sieboldiana 'Elegans' - Elegans Hosta

Hosta undulata 'Albomarginata' - White-Variegated Hosta

Hosta undulata 'Variegata' - Variegated Hosta

Hosta ventricosa - Blue Plantain Lily

Hyssopus officinalis - Hyssop

Iberis sempervirens - Candytuft

Iberis sempervirens 'Snowflake' - Snowflake Candytuft

Iris 'Black Dragon' - Black Dragon Iris

Iris 'Superstition' - Superstition Iris

Iris danfordiae - Dwarf Iris

Iris ensata - Japanese Water Iris

Iris pseudacorus - Yellow Flag Iris

Iris pumila 'Ritz' - Ritz Iris

Iris sibirica - Siberian Iris

Iris sibirica 'Butter And Sugar' - Butter And Sugar Siberian Iris

Iris sibirica 'Caesar's Brother' - Caesar's Brother Siberian Iris

Iris sibirica 'Pink Haze' - Pink Haze Siberian Iris

Iris sibirica 'Ruffled Velvet' - Ruffled Velvet Iris

Iris sibirica 'Snow Queen' - Snow Queen Siberian Iris

Iris versicolor - Blue Flag Iris

Knautia macedonica 'Mars Midget' - Mars Midget Scabious

Koeleria pyramidata - Prairie June Grass

Lamium maculatum 'Beacon Silver' - Beacon Silver Spotted Dead Nettle

Lamium maculatum 'Chequers' - Chequers Spotted Dead Nettle

Lamium maculatum 'Pink Pewter' - Pink Pewter Spotted Dead Nettle

Lamium maculatum 'Red Nancy' - Red Nancy Spotted Dead Nettle

Leucanthemum x superbum - Shasta Daisy

Leucanthemum x superbum 'Alaska' - Alaska Shasta Daisy

Leucanthemum x superbum 'Becky' - Becky Shasta Daisy

Liatris spicata 'Floristan Violet' - Floristan Violet Blazing Star

Liatris spicata 'Kobold' - Kobold Blazing Star

Ligularia 'Little Rocket' - Little Rocket Rayflower

Ligularia 'The Rocket' - The Rocket Rayflower

Ligularia dentata - Rayflower

Ligularia dentata 'Britt Marie Crawford' - Britt Marie Crawford Rayflower

Ligularia dentata 'Desdemona' - Desdemona Rayflower

Ligularia dentata 'Othello' - Othello Rayflower

Ligularia przewalskii - Przewalsky Rayflower

Lilium 'Butter Pixie' - Butter Pixie Lily

Lilium 'Buzzer' - Buzzer Lily

Lilium 'Fata Morgana' - Fata Morgana Lily

Lilium 'Lollypop' - Lollypop Lily

Lilium 'Matrix Orange' - Matrix Orange® Lily

Lilium 'Navona' - Navona Lily

Lilium 'Red Duchess' - Red Duchess Lily

Lilium 'Renoir' - Renoir Lily

Lilium 'Stargazer' - Stargazer Lily

Lilium 'Tiny Double You' - Lily Looks™ Tiny Double You Lily

Lilium 'Tiny Hope' - Lily Looks™ Tiny Hope Lily

Lilium 'Tiny Orange Sensation' - Lily Looks™ Tiny Orange Sensation Lily

Lilium 'Tiny Padhye' - Lily Looks™ Tiny Padhye Lily

Lilium 'Tiny Rocket' - Lily Looks™ Tiny Rocket Lily

Lilium 'Yellow Pixie' - Yellow Pixie Lily

Lupinus 'Gallery Blue' - Gallery™ Blue Lupine

Lupinus 'Gallery Pink' - Gallery™ Pink Lupine

Lupinus 'Gallery Red' - Gallery™ Red Lupine

Lupinus 'Gallery Yellow' - Gallery™ Yellow Lupine

Lupinus 'Minarette Mix' - Minarette Mix Lupine

Lupinus 'Russell Blue' - Russell Blue Lupine

Lupinus 'Russell Pink' - Russell Pink Lupine

Lupinus 'Russell Red' - Russell Red Lupine

Lupinus 'Russell White' - Russell White Lupine

Lychnis chalcedonica - Maltese Cross

Lychnis coronaria - Rose Campion

Lysimachia nummularia - Creeping Jenny

Matteuccia struthiopteris - Ostrich Fern

Miscanthus sinensis - Maiden Grass

Miscanthus sinensis 'Gracillimus' - Gracillimus Maiden Grass

Miscanthus sinensis 'Huron Sunrise' - Huron Sunrise Maiden Grass

Miscanthus sinensis 'Morning Light' - Morning Light Maiden Grass

Miscanthus sinensis 'Purpurascens' - Flame Grass

Miscanthus sinensis 'Sarabande' - Sarabande Maiden Grass

Miscanthus sinensis 'Variegatus' - Variegated Silver Grass

Molinia caerulea - Moor Grass

Molinia caerulea 'Moorflame' - Moorflame Moor Grass

Molinia caerulea 'Variegata' - Variegated Moor Grass

Monarda 'Grand Parade' - Grand Parade Beebalm

Monarda 'Jacob Cline' - Jacob Cline Beebalm

Monarda 'Petite Delight' - Petite Delight Beebalm

Myosotis sylvatica - Forget-Me-Not

Myosotis sylvatica 'Victoria Blue' - Victoria Blue Forget-Me-Not

Nepeta racemosa 'Little Titch' - Little Titch Catmint

Nepeta x faassenii 'Walker's Low' - Walker's Low Catmint

Oenothera berlandieri 'Siskiyou' - Siskiyou Mexican Evening Primrose

Origanum vulgare - Oregano

Osmunda cinnamomea - Cinnamon Fern

Osmunda regalis - Royal Fern

Paeonia 'Bowl Of Beauty' - Bowl Of Beauty Peony

Paeonia 'Festiva' - Festiva Peony

Paeonia 'Festiva Maxima' - Festiva Maxima Peony

Paeonia 'Karl Rosenfeld' - Karl Rosenfeld Peony

Paeonia 'La France' - La France Peony

Paeonia 'Red Charm' - Red Charm Peony

Paeonia 'Sarah Bernhardt' - Sarah Bernhardt Peony

Paeonia 'Sorbet' - Sorbet Peony

Panicum virgatum - Switch Grass

Panicum virgatum 'Heavy Metal' - Heavy Metal Blue Switch Grass

Panicum virgatum 'Northwind' - Northwind Switch Grass

Panicum virgatum 'Prairie Fire' - Prairie Fire Red Switch Grass

Panicum virgatum 'Prairie Sky' - Prairie Sky Switch Grass

Panicum virgatum 'Rotstrahlbusch' - Red Switch Grass

Panicum virgatum 'Shenandoah' - Shenandoah Reed Switch Grass

Papaver nudicaule 'Wonderland' - Wonderland Mix Poppy

Papaver orientale - Oriental Poppy

Pennisetum alopecuroides 'Little Bunny' - Little Bunny Dwarf Fountain Grass

Penstemon barbatus 'Riding Hood Red' - Riding Hood Red Beard Tongue

Penstemon digitalis 'Husker Red' - Husker Red Beard Tongue

Perovskia atriplicifolia - Russian Sage

Phlox borealis - Arctic Phlox

Phlox paniculata 'Blue Paradise' - Blue Paradise Garden Phlox

Phlox paniculata 'Laura' - Laura Garden Phlox

Phlox paniculata 'Red Flame' - Red Flame Garden Phlox

Phlox paniculata 'Starfire' - Starfire Garden Phlox

Phlox subulata 'Emerald Pink' - Emerald Pink Moss Phlox

Phlox subulata 'Red Wings' - Red Wings Moss Phlox

Phlox subulata 'Scarlet Flame' - Scarlet Flame Moss Phlox

Platycodon grandiflorus 'Fuji Blue' - Fuji Blue Balloon Flower

Polemonium 'Bressingham Purple' - Bressingham Purple Jacob's Ladder

Polemonium 'Stairway To Heaven' - Stairway To Heaven Jacob's Ladder

Polemonium caeruleum - Common Jacob's Ladder

Polygonatum humile - Solomon's Seal

Potentilla nepalensis 'Gibson's Scarlet' - Gibson's Scarlet Cinquefoil

Potentilla rupestris - Rock Cinquefoil

Primula vulgaris - Primrose

Pulmonaria saccharata 'Mrs. Moon' - Mrs. Moon Lungwort

Pulsatilla vulgaris - Pasqueflower

Pulsatilla vulgaris 'Rubra' - Red Pasqueflower

Rheum 'Canada Red' - Canada Red Rhubarb

Rheum 'Valentine' - Valentine Rhubarb

Rudbeckia fulgida 'Goldsturm' - Goldsturm Coneflower

Sagina subulata - Irish Moss

Sagina subulata 'Aurea' - Scotch Moss

Salvia nemorosa 'Blaukonigin' - Blue Queen Sage

Salvia nemorosa 'Marcus' - Marcus Sage

Salvia nemorosa 'PAS889972' - New Dimension™ Blue Sage

Salvia nemorosa 'Pink Friesland' - Pink Friesland Sage

Salvia nemorosa 'Rose Queen' - Rose Queen Sage

Salvia nemorosa 'Sensation Rose' - Sensation™ Rose Sage

Salvia officinalis 'Purpurascens' - Purple Sage

Salvia verticillata 'Purple Rain' - Purple Rain Salvia

Salvia x sylvestris 'Caradonna' - Caradonna Sage

Salvia x sylvestris 'May Night' - May Night Sage

Salvia x sylvestris 'Snow Hill' - Snow Hill Sage

Saponaria ocymoides - Rock Soapwort

Scabiosa columbaria 'Misty Butterflies' - Misty Butterflies Dwarf Pincushion Flower

Sedum 'Autumn Joy' - Autumn Joy Stonecrop

Sedum 'Carl' - Carl Stonecrop

Sedum 'Dazzleberry' - Dazzleberry Stonecrop

Sedum 'Matrona' - Matrona Stonecrop

Sedum 'Purple Emperor' - Purple Emperor Stonecrop

Sedum 'Vera Jameson' - Vera Jameson Stonecrop

Sedum acre 'Aureum' - Golden Moss Stonecrop

Sedum rupestre 'Angelina' - Angelina Stonecrop

Sedum spectabile 'Autumn Fire' - Autumn Fire Stonecrop

Sedum spectabile 'Brilliant' - Brilliant Stonecrop

Sedum spurium - Dragon's Blood Stonecrop

Sedum spurium 'Tricolor' - Tricolor Stonecrop

Sedum spurium 'Voodoo' - Voodoo Stonecrop

Sempervivum 'Alpha' - Alpha Hens And Chicks

Solidago rigida - Stiff Goldenrod

Sorghastrum nutans 'Indian Steel' - Indian Steel Indian Grass

Stachys byzantina - Lamb's Ears

Tanacetum coccineum 'Robinson's Pink' - Robinson's Pink Painted Daisy

Thalictrum aquilegifolium - Meadow Rue

Thymus praecox 'Coccineus' - Red Creeping Thyme

Thymus praecox 'Elfin' - Elfin Creeping Thyme

Thymus praecox 'Purple Carpet' - Purple Carpet Creeping Thyme

Thymus pseudolanuginosis - Wooly Thyme

Tradescantia x andersoniana 'Concord Grape' - Concord Grape Spiderwort

Trollius chinensis 'Golden Queen' - Golden Queen Globeflower

Verbascum 'Royalty' - Royalty Mullein

Verbascum nigrum - Dark Mullein

Verbascum phoenicium 'Violetta' - Violetta Mullein

Veronica 'Sunny Border Blue' - Sunny Border Blue Speedwell

Veronica gentianoides - Gentian Speedwell

Veronica spicata - Spike Speedwell

Veronica spicata 'Blue Candles' - Blue Candles Speedwell

Veronica spicata 'Red Fox' - Red Fox Speedwell

Veronica spicata 'Royal Candles' - Royal Candles Speedwell

Vinca minor - Common Periwinkle

Vinca minor 'Bowles' - Bowles Periwinkle