| Achillea millefolium 'Paprika' | B | 5.45 | No | | Achillea millefolium 'Terra Cotta' | B | 5.45 | Yes |
| Achillea taygetea 'Moonshine' | B | 5.45 | No | | Aconitum cammarum 'Bressingham Spire' | B | 5.95 | No |
| Aconitum henryi 'Sparks Variety' | B | 5.95 | Yes | | Actaea (Cimicifuga) racemosa 'Bugbane' | C | 7.95 | No |
| Actaea (Cimicifuga) racemosa 'Hillside Black Beauty' | B | 12.95 | No | | Actaea (Cimicifuga) simplex 'Black Negligee' | B | 12.95 | No |
| Actaea japonica - Japanese Bugbane | B | 5.95 | No | | Actaea pachypoda - Baneberry | D+ | 11.95 | Yes |
| Agastache x. 'Blue Fortune' | B | 5.45 | Yes | | Ajuga reptans 'Burgundy Glow' | | 60.00 | No |
| Ajuga reptans 'Purple Brocade' | | 60.00 | Yes | | Ajuga x tenorii 'Chocolate Chip' | A | 4.95 | No |
| Alcea rosea 'Mars Magic' | B | 5.45 | No | | Alcea rugosa 'Yellow Hollyhock' | B | 5.45 | No |
| Alchemilla erythrapada - Dwarf Lady's mantle | B | 5.45 | Yes | | Alchemilla mollis 'Thriller'-Lady's Mantle | B | 5.45 | Yes |
| Allium angulosum 'Summer Beauty' | B | 5.45 | No | | Allium cernum - Nodding Lady's Leek | B | 5.45 | Yes |
| Allium schoenoprasum - Chives (herb) | A | 4.95 | Yes | | Allium senescens | B | 5.45 | Yes |
| Allium senescens 'Glauca' | B | 5.45 | Yes | | Allium senescens 'Millennium' | B | 5.45 | Yes |
| Allium tuberosum - Garlic Chives | A | 4.95 | Yes | | Amsonia hubrichtii | C | 7.95 | Yes |
| Amsonia tabernaemontana | C | 7.95 | Yes | | Amsonia tabernaemontana 'Blue Ice' | B | 5.95 | Yes |
| Anemone canadensis - Native Windflower | | 3.95 | Yes | | Anemone hupehensis - Fall Windflower | B | 5.95 | Yes |
| Anemone japonica x 'Honorine Jobert' | B | 5.95 | Yes | | Anemone japonica x 'Pamina' | B | 5.95 | No |
| Anemone japonica x 'Pretty Lady Diane' | B | 5.95 | No | | Anemone japonica x 'Whirlwind' | B | 5.95 | Yes |
| Anemone sylvestris - Spring Windflower | A | 4.95 | Yes | | Anemone tomentosa 'Robustissima' | B | 5.95 | No |
| Angelica gigas | B | 5.95 | No | | Aquilegia caerulea 'Heavenly Blue' | B | 5.95 | Yes |
| Aquilegia caerulea 'Rotstern' (Red Star) | B | 5.95 | Yes | | Aquilegia canadensis | A | 4.95 | Yes |
| Aquilegia canadensis 'Little Lanterns' | A | 4.95 | Yes | | Aquilegia vulgaris 'Purple' | B | 5.95 | Yes |
| Arisaema triphyllum - Jack in the Pulpit | B | 5.45 | Yes | | Armeria maritima 'Rubrifolia' | A | 4.95 | Yes |
| Artemisia abrotanum 'Limoneum'- Lemonscented Southernwood (h | B | 5.95 | Yes | | Artemisia absinthium - Wormwood (herb) | B | 5.95 | Yes |
| Artemisia ludoviciana 'Silver King' | B | 5.45 | Yes | | Aruncus aethusifolius 'Dwarf Goats Beard' | B | 5.95 | Yes |
| Aruncus dioicus - Goatsbeard | D | 9.95 | Yes | | Asarum canadense - Native Ginger | | 5.95 | Yes |
| Asarum europaeum - European Ginger | | 5.95 | No | | Asclepias tuberosa - Butterfly Weed | B | 5.95 | Yes |
| Aster dumosus 'Woods Light Blue' | B | 5.95 | No | | Aster dumosus 'Woods Pink' | B | 5.95 | No |
| Aster dumosus 'Woods Purple' | B | 5.95 | No | | Aster ericodoides 'Snow Flurry' | B | 5.45 | Yes |
| Aster laterifolorus 'Lady in Black' | B | 5.45 | No | | Aster novae-angliae 'Alma Potschke' | C | 7.95 | Yes |
| Aster novae-angliae 'Hella Lacy' | C | 7.95 | Yes | | Aster novae-angliae 'Raspberry Tart' | C | 7.95 | No |
| Aster novi-belgii 'Blue Gown' | C | 7.95 | No | | Astilbe arendsii 'Bridal Veil' | B | 5.45 | Yes |
| Astilbe arendsii 'Bressingham Beauty' | B | 5.95 | Yes | | Astilbe arendsii 'Fanal' | B | 5.45 | Yes |
| Astilbe arendsii 'Montgomery' | B | 5.45 | Yes | | Astilbe arendsii 'Peach Blossom' | B | 5.45 | Yes |
| Astilbe chinensis 'Pumila' | B | 5.45 | Yes | | Astilbe chinensis 'Visions in Red' | B | 5.95 | Yes |
| Astilbe chinensis taquetii 'Superba' | C | 7.95 | Yes | | Astilbe simplicifolia 'Hennie Graaftland' | B | 5.45 | Yes |
| Astrantia major 'Ruby Cloud' | B | 5.95 | Yes | | Aurina saxitile 'Compactum' | B | 5.45 | Yes |
| Baptisia australia - False Indigo | C | 7.95 | Yes | | Baptisia australis 'Purple Smoke' | B | 7.95 | Yes |
| Baptisia minor - Dwarf False Indigo | B | 6.95 | Yes | | Baptisia x 'Solar Flare' | B | 9.95 | Yes |
| Baptisia x 'Twilite Prairieblues' | B | 9.95 | Yes | | Boltonia asteroides 'Pink Beauty' | C | 7.95 | Yes |
| Brunnera macrophylla | B | 5.45 | Yes | | Brunnera macrophylla 'Dawson's White' | B | 6.95 | Yes |
| Brunnera macrophylla 'Jack Frost' | B | 7.95 | Yes | | Buddleia davidii 'Black Knight' | D+ | 11.95 | Yes |
| Buddleia davidii 'Nanho Blue' | D+ | 11.95 | Yes | | Buddleia davidii 'Royal Red' | D+ | 11.95 | Yes |
| Buddleia davidii 'White Profusion' | D+ | 11.95 | Yes | | Calamintha nepeta ssp. nepeta | A | 4.95 | Yes |
| Callicarpa dichutoma - Purple Beautyberry | D+ | 11.95 | Yes | | Callirhoe involucrata - Wine Cups | A | 4.95 | Yes |
| Campanula carpatica 'Pearl Deep Blue' | A | 4.95 | No | | Campanula garganica | A | 4.95 | Yes |
| Campanula glomerata 'Freya' | B | 5.95 | Yes | | Campanula persicifolia 'Blue' | B | 5.45 | No |
| Campanula persicifolia 'Chettle Charm' | B | 5.45 | Yes | | Campanula portenschlagiana 'Birch Hybrid' | A | 4.95 | Yes |
| Caryopteris x clandonensis 'Grand Bleu' | D+ | 11.95 | Yes | | Cassia marilandica - American Senna | D | 9.95 | Yes |
| Centranthus ruber 'Pretty Betsy' | B | 5.45 | No | | Centurea montana 'Bach. Buttons' | B | 5.45 | Yes |
| Centurea montana 'Ametheyst in the Snow' | B | 5.45 | Yes | | Cerastium tomentosum - Snow in Summer | A | 4.95 | Yes |
| Chelone glabra - Pale Turtlehead | B | 5.45 | No | | Chelone lyonii 'Hot Lips' | B | 5.45 | Yes |
| Chelone lyonii 'Pink Temptation' | B | 5.45 | No | | Chrysogonum virginianum 'Pierre' | B | 5.45 | No |
| Chrysopsis villosa - Golden Aster | C | 7.95 | No | | Chysanthemum weyrichii 'White Bomb' | B | 5.45 | No |
| Clematis 'Betty Corning' | D+ | 11.95 | Yes | | Clematis 'Dutchess of Edinburgh' | D+ | 11.95 | Yes |
| Clematis 'Jackmanii Superba' | D+ | 11.95 | Yes | | Clematis 'Ramona' | D+ | 11.95 | Yes |
| Clematis 'Ville De Leon' | D+ | 11.95 | Yes | | Clematis recta 'Purpurea' | D | 9.95 | No |
| Clematis tanquitica 'Radar Love' | D+ | 11.95 | Yes | | Clematis terniflora 'Sweet Autumn Clematis' | D+ | 11.95 | Yes |
| Coreopsis verticillata 'Golden Gain' | B | 5.45 | Yes | | Coreopsis verticillata 'Moonbeam' | B | 5.45 | No |
| Coreopsis verticillata 'Zagreb' | B | 5.45 | Yes | | Coreopsis x 'Full Moon' | B | 5.95 | No |
| Coreopsis x 'Jethro Tull' | B | 5.45 | Yes | | Corydalis lutea - Yellow Bleeding Heart | A | 4.95 | No |
| Crocosmia masoniorum 'Lucifer' | C | 7.95 | No | | Delphinium elatum 'New Zealand Hybrids' | B | 5.95 | No |
| Dendranthema morifolium 'Sheffield Pink' | B | 5.45 | Yes | | Dendranthema x 'Sunny Igloo' | B | 5.45 | No |
| Dianthus gratianopolitanus 'Firewitch' | A | 4.95 | Yes | | Dianthus gratianopolitanus 'Kahori' | A | 4.95 | No |
| Dicentra eximia | B | 5.45 | No | | Dicentra eximia 'King of Hearts' | C | 6.95 | Yes |
| Dicentra spectabilis 'Alba' | D | 9.95 | Yes | | Dicentra spectabilis 'Old Fashioned Red' | D | 9.95 | Yes |
| Dictamnus (fraxinella) albus 'Purpureus' | B | 5.95 | No | | Digitalis ambigua 'Grandiflora' | B | 5.95 | Yes |
| Digitalis purpurea 'Foxy' | B | 5.95 | No | | Digitalis purpurea 'Pam's Choice' | B | 5.95 | Yes |
| Diphylleia cymosa - Umbrella Leaf | A | 9.95 | Yes | | Doronicum orientale 'Little Leo' | B | 5.45 | No |
| Draba siberica - Alpine Mustard | A | 4.95 | Yes | | Echinacea purpurea 'Happy Star' | B | 5.95 | Yes |
| Echinacea purpurea 'Kim's Knee High' | B | 7.95 | Yes | | Echinacea purpurea 'Pow Wow Wild Berry' | B | 5.95 | Yes |
| Echinacea purpurea 'Rubinstern (Ruby Star) | B | 5.45 | Yes | | Echinacea purpurea 'Ruby Giant' | B | 6.95 | Yes |
| Echinacea purpurea 'White Swan' | B | 5.45 | Yes | | Echinacea x 'Guava Ice' | B | 7.95 | No |
| Echinacea x 'Hot Papaya' | B | 7.95 | No | | Echinacea x 'Milkshake' | B | 7.95 | No |
| Echinacea x 'Tiki Torch' | B | 7.95 | No | | Echinops ritro 'Veitch's Blue' - Globe Thistle | C | 7.95 | Yes |
| Epidemium alpinum 'Rubrum' - Red Barrenwort | | 4.95 | No | | Epidemium perralchicum 'Frohnleiten'-Yellow Barrenwort | | 4.95 | No |
| Eryngium gigantium 'Miss Wilmotts Ghost' | B | 5.95 | No | | Eupatorium hyssopifolium | B | 5.95 | No |
| Eupatorium maculatum 'Gateway' | D | 9.95 | Yes | | Eupatorium maculatum 'Glenda' - Dwarf Joe Pyeweed | D | 9.95 | Yes |
| Eupatorium rugosum 'Chocolate' | B | 5.95 | No | | Euphorbia cyparissias - Gopher Spurge | B | 5.45 | Yes |
| Euphorbia dulcis 'Chameleon' | B | 5.45 | Yes | | Euphorbia myrsinites | B | 5.45 | No |
| Euphorbia polychroma 'Bonfire' | B | 5.95 | No | | Euphorbia polychroma - Cushion Spurge | B | 5.45 | Yes |
| Filipendula rubra 'Venusta' | D | 9.95 | Yes | | Fuchsia 'Gardenmeister Fuchsia' | C | 7.95 | Yes |
| Gaillardia aristata 'Arizona Red Shades' | B | 5.45 | Yes | | Gaillardia aristata 'Arizona Sun' | B | 5.45 | Yes |
| Gaillardia aristata 'Oranges and Lemons' | B | 5.45 | No | | Galium odoratum 'Sweet Woodruff' | | 60.00 | No |
| Genista multibracteata - Dyers Broom | D+ | 11.95 | Yes | | Geranium cantabrigiense 'Karmina' | B | 5.45 | Yes |
| Geranium macrorrhizum 'Big Root Geranium' | | 3.95 | Yes | | Geranium pratense - Meadow Cranesbill | B | 5.45 | Yes |
| Geranium sanguineum | B | 5.45 | Yes | | Geranium sanguineum 'Alba' | B | 5.95 | No |
| Geranium sanguineum 'Striatum' | B | 5.45 | Yes | | Geranium x 'Rozanne' | B | 5.95 | Yes |
| Geum x 'Fireball' | B | 6.95 | Yes | | Gysophila paniculata 'Pink Fairy' | C | 7.95 | Yes |
| Gysophila repens 'Rosea' | A | 4.95 | Yes | | Helenium autumnale 'Canary' | C | 7.95 | Yes |
| Helenium autumnale 'Mardi Gras' | C | 7.95 | Yes | | Heliopsis helianthoides 'Tuscan Sun' | B | 5.95 | No |
| Heliopsis scabra 'Summer Nights' | B | 5.45 | Yes | | Helleborus x hybridus 'Royal Heritage Strain' | B | 6.95 | Yes |
| Hemerocallis x hybridus 'Barbara Mitchell' | B | 5.95 | No | | Hemerocallis x hybridus 'Big Time Happy' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Bonanza' | B | 5.95 | Yes | | Hemerocallis x hybridus 'Catherine Woodbury' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Chicago Apache' | B | 5.95 | Yes | | Hemerocallis x hybridus 'Ed Murray' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Hyperian' | B | 5.95 | Yes | | Hemerocallis x hybridus 'Ice Carnival' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Little Grapette' | B | 5.95 | Yes | | Hemerocallis x hybridus 'Mary Todd' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Pardon Me' | B | 5.95 | Yes | | Hemerocallis x hybridus 'Rocket City' | B | 5.95 | Yes |
| Hemerocallis x hybridus 'Stella D'Oro' | B | 5.45 | Yes | | Hemerocallis x hybridus 'Summer Wine' | B | 5.95 | Yes |
| Hepatica acutiloba - Liverleaf | A | 4.95 | Yes | | Heuchera sanguinea 'Snow Angel' | B | 6.95 | Yes |
| Heuchera villosa macorrhiza 'Autumn Bride' | B | 5.95 | No | | Heuchera x 'Plum Pudding' | B | 5.95 | Yes |
| Heucherella x 'Dayglow Pink' | B | 6.95 | Yes | | Heucherella x 'Stoplight' | B | 6.95 | Yes |
| Hibiscus x hybrida 'Blue River II' | D+ | 11.95 | Yes | | Hibiscus x hybrida 'Jamberry Jam' | D+ | 11.95 | Yes |
| Hibiscus x hybrida 'Kopper King' | D+ | 11.95 | Yes | | Hibiscus x hybrida 'Lord Baltimore' | D+ | 11.95 | Yes |
| Hosta fortunei 'Aureo marginata' | B | 5.95 | Yes | | Hosta fortunei 'Gold Standard' | B | 6.95 | Yes |
| Hosta plantaginea 'Aphrodite' | B | 7.95 | Yes | | Hosta sieboldiana 'Elegans' | D | 9.95 | Yes |
| Hosta sieboldiana 'Francis Williams' | D | 9.95 | Yes | | Hosta tardiana 'Halcyon' | B | 6.95 | Yes |
| Hosta x 'Blue Angel' | B | 7.95 | Yes | | Hosta x 'Blue Mouse Ears' | B | 6.95 | Yes |
| Hosta x 'Earth Angel' | B | 7.95 | Yes | | Hosta x 'Fragrant Blue' | B | 7.95 | Yes |
| Hosta x 'Golden Tiara' | B | 5.95 | Yes | | Hosta x 'Guacamole' | B | 7.95 | Yes |
| Hosta x 'June' | B | 7.25 | Yes | | Hosta x 'Katie Q' | B | 7.95 | No |
| Hosta x 'Krossa Regal' | B | 7.95 | Yes | | Hosta x 'Liberty' | B | 9.95 | Yes |
| Hosta x 'Patriot' | B | 7.25 | Yes | | Hosta x 'Regal Splendor' | B | 7.95 | Yes |
| Hosta x 'Stained Glass' | B | 7.95 | Yes | | Hosta x 'Sum and Substance' | B | 7.95 | Yes |
| Hosta x 'Wide Brim' | B | 7.95 | Yes | | Iberis sempervirens 'Purity' | B | 5.95 | Yes |
| Iberis sempervirens 'Snow Cushion' | B | 5.95 | Yes | | Iris cristata 'Powder Blue Giant' | A | 4.95 | Yes |
| Iris ensata 'Lion King' | B | 6.95 | Yes | | Iris ensata 'Mixed' | B | 5.95 | Yes |
| Iris germanica 'Champagne Elegance' | B | 5.95 | Yes | | Iris germanica 'Firebreather' | B | 5.95 | Yes |
| Iris germanica 'Indigo Seas' | B | 5.95 | Yes | | Iris germanica 'Speeding Again' | B | 5.95 | Yes |
| Iris germanica 'War Chief' | B | 5.95 | Yes | | Iris peudoacorus 'Variegata' | C | 7.95 | Yes |
| Iris pseudoacorus 'Yellow Flag' | C | 7.95 | No | | Iris siberica 'Butter and Sugar' | B | 5.95 | Yes |
| Iris siberica 'Caesars Brother' | B | 5.95 | Yes | | Iris siberica 'Ruffled Velvet' | B | 5.95 | Yes |
| Iris siberica 'Super Ego' | B | 5.95 | No | | Iris versicolor 'Kermesina' | C | 7.95 | No |
| Iris versicolor-'Blue Flag' | C | 7.95 | Yes | | Knautia macedonica 'Mar's Midget' | B | 5.45 | No |
| Kniphofia uvaria 'Express' | C | 7.95 | Yes | | Lamiastrum galeobdelon 'Herman's Pride' | | 3.95 | Yes |
| Lamiastrum galeobdelon 'Silver Nettle' | | 3.95 | Yes | | Lamium maculatum 'Purple Dragon' | A | 4.95 | Yes |
| Lavandula x intermedia 'Grosso' | B | 5.95 | Yes | | Lavandula angustifolia 'Hidcote Superior' | B | 5.95 | Yes |
| Lespedeza thunbergii 'Gibraltar' | D+ | 11.95 | Yes | | Lespedeza thunbergii 'Samindare' | D+ | 11.95 | Yes |
| Leucanthemum superbum 'Becky' | B | 5.45 | Yes | | Leucanthemum superbum 'Snowcap' | B | 5.45 | No |
| Liatris spicata - Kansas Gayfeather | B | 5.45 | No | | Ligularia dentata 'Brit Marie Crawford' | D+ | 11.95 | Yes |
| Ligularia stenocephala 'Little Rocket' | B | 7.95 | Yes | | Ligularia stenocephala 'The Rocket' | D+ | 11.95 | Yes |
| Lillium martagon - Turks Cap Liliy | B | 6.95 | Yes | | Lillium x 'Casa Blanca' (Oriental) | C | 7.95 | No |
| Limonium latifolium 'Sea Lavender' | B | 5.95 | Yes | | Liriope spicata - Lilly Turf | | 3.95 | Yes |
| Lobelia cardinalis - Cardinal Flower | B | 5.95 | No | | Lobelia cardinalis x 'Monet Moment' | B | 5.95 | Yes |
| Lobelia siphilitica - Blue Cardinal Flower | B | 5.45 | No | | Lonicera sempervirens 'Major Wheeler' | D+ | 11.95 | Yes |
| Lupinus x hybrida nana 'Gallery Mixed' | B | 5.95 | Yes | | Lysimachia clethroides - Gooseneck Loosestrife | B | 5.45 | Yes |
| Lysimachia nummularia 'Aurea' | | 3.95 | Yes | | Macleaya microcarpa 'Kelway's Coral Plume | D | 9.95 | Yes |
| Mertensia virginica - Virginia Blue Bells | B | 5.45 | Yes | | Monarda didyma 'Coral Reef' | B | 5.45 | Yes |
| Monarda didyma 'Dark Ponticum' | B | 5.45 | Yes | | Monarda didyma 'Jacob Cline' | B | 5.45 | Yes |
| Monarda didyma 'Purple Rooster' | B | 5.95 | No | | Monarda didyma 'Raspberry Wine' | B | 5.45 | Yes |
| Monarda fistulosa 'Claire Grace' | B | 5.45 | Yes | | Myrrhis odorata 'Sweet Cicely' (herb) | B | 5.95 | No |
| Nepeta faassenii 'Walkers Low' | B | 5.45 | Yes | | Nepeta racemosa (mussinii 'Superba') | A | 4.95 | No |
| Nepeta siberica 'Suovenir D'Andre Chandron' | D | 9.95 | Yes | | Nepeta subsessilis 'Blue Dreams' | B | 5.45 | Yes |
| Nepeta x 'Joanna Reed' | B | 5.95 | No | | Nipponanthemum nipponicum - Montauk Daisy' | D | 9.95 | Yes |
| Oneothera berlanderi 'Siskiyou' | B | 5.45 | No | | Oneothera fruticosa 'Fireworks' | B | 5.45 | Yes |
| Oneothera hybrida 'Cold Crick' | B | 5.45 | Yes | | Origanum vulgare 'Thumbles Variety' | A | 4.95 | Yes |
| Paeonia officinalis 'Bowl of Beauty | D | 9.95 | Yes | | Paeonia officinalis 'Kansas' | D | 9.95 | Yes |
| Paeonia officinalis - Shirley Temple | D | 9.95 | No | | Paeonia suffruiticosa - Tree Peony (Yellow - High Noon') | D | 25.00 | No |
| Papaver atlanticum - Atlantic Poppy | B | 5.45 | Yes | | Papaver orientale 'Allegro' | B | 5.95 | Yes |
| Papaver orientale 'Victoria Louise' | B | 5.95 | No | | Penstemon digitalis 'Dark Towers' | B | 5.95 | Yes |
| Penstemon digitalis 'Husker Red' | B | 5.45 | Yes | | Perovskia atriplicifolia 'Little Spire' | D | 9.95 | Yes |
| Perovskia atriplicifolia - Russian Sage | D | 9.95 | Yes | | Persicaria polymorpha - Tall Jewelweed | D | 9.95 | Yes |
| Phlomis tuberosa - Jerusalem Sage | B | 5.95 | No | | Phlox divaricata 'Blue Moon' | A | 4.95 | No |
| Phlox divaricata 'Parksville Beach' | A | 4.95 | No | | Phlox glaberrima 'Morris Berd' | B | 5.45 | Yes |
| Phlox paniculata 'David' | B | 5.45 | Yes | | Phlox paniculata 'David's Lavender' | B | 5.45 | Yes |
| Phlox paniculata 'Franz Schubert' | B | 5.95 | No | | Phlox paniculata 'Junior Dance' | B | 5.95 | Yes |
| Phlox paniculata 'Laura' | B | 5.45 | Yes | | Phlox paniculata 'Red Riding Hood' | B | 5.95 | Yes |
| Phlox paniculata 'Shockwave' | B | 6.95 | Yes | | Phlox paniculata 'Starfire' | B | 5.45 | No |
| Phlox stolonifera 'Blue Ridge' | A | 4.95 | Yes | | Phlox subulata 'Blue Emerald' | B | 5.45 | Yes |
| Phlox subulata 'Red Wing' | B | 5.45 | Yes | | Phlox x 'Minnie Pearl' | B | 5.45 | No |
| Physostegia virginiana 'Rosea' | B | 5.45 | Yes | | Physostegia virginiana. 'Miss Manners' | B | 5.45 | Yes |
| Platycodon grandiflorus 'Astra Double Blue' | B | 5.45 | Yes | | Platycodon grandiflorus apoyama 'Fairy Snow' | B | 5.45 | No |
| Platygodon grandiflorus 'Fuji Blue' | B | 5.95 | Yes | | Platygodon grandiflorus 'Sentimental Blue' | B | 5.45 | Yes |
| Podophyllum peltatum - Mayapple | B | 5.45 | Yes | | Polemonium reptans 'Stairway to Heaven' | B | 5.95 | Yes |
| Polemonium reptans - Dwarf Jacobs Ladder | B | 5.95 | Yes | | Polygonatum commutatum | B | 5.95 | Yes |
| Polygonatum odoratum 'Variegatum' | B | 5.95 | Yes | | Potentila nepatensis 'Ron McBeath | B | 5.45 | Yes |
| Primula japonica 'Mixture' | B | 5.45 | Yes | | Primula veris | A | 4.95 | Yes |
| Primula veris 'Sunset Shades' | A | 4.95 | Yes | | Pulmonaria saccharata 'Mrs. Moon' | B | 5.95 | No |
| Pulmonaria saccharata 'Roy Davidson' | B | 5.95 | Yes | | Pulsatilla vulgaris 'Pearl Bells' | B | 5.95 | Yes |
| Pulsatilla vulgaris 'Red Bells' | B | 5.95 | Yes | | Pulsatilla vulgaris 'Violet Bells' | B | 5.95 | Yes |
| Pycnanthemum muticum - Mt. Mint | B | 5.45 | Yes | | Ratibida pinnata - Yellow Mexican Coneflower | C | 7.95 | Yes |
| Rita graveolens - Rue | B | 5.95 | Yes | | Rodgersia aesculifolia - Rodger's Flower | D+ | 11.95 | Yes |
| Rudbeckia fulgida 'Goldsturm' | B | 5.95 | Yes | | Rudbeckia fulgida 'Goldsturm' | D | 9.95 | No |
| Rudbeckia fulgida fulgida | B | 5.95 | No | | Rudbeckia nitida 'Herbstonne' | D+ | 11.95 | No |
| Rudbeckia triloba - Browneyed Susan | C | 7.95 | Yes | | Salvia pratensis 'Rose Rhapsody' | B | 5.45 | Yes |
| Salvia superba 'Blue Hill' | B | 5.45 | Yes | | Salvia superba 'Caradonna' | B | 5.45 | No |
| Salvia superba 'May Night' | B | 5.45 | Yes | | Salvia superba 'Snow Hill' | B | 5.45 | Yes |
| Salvia verticillata 'Purple Rain' | B | 5.45 | No | | Sanguinaria canadensis - Bloodroot | A | 4.95 | Yes |
| Sanguisorba menziesii - Burnet | B | 5.95 | No | | Scabiosa columbaria 'Butterfly Blue' | B | 5.45 | Yes |
| Scutellaria incana - Blue Scullcap | B | 5.95 | Yes | | Sedum cauticola 'Lidakense' | A | 4.95 | No |
| Sedum hybridum 'Czar's Gold' | A | 4.95 | No | | Sedum rupestre 'Angelina' | B | 5.45 | No |
| Sedum sieboldii | A | 4.95 | No | | Sedum spectabile 'Neon' | B | 5.45 | Yes |
| Sedum spurium 'John Creech' | A | 4.95 | Yes | | Sedum spurium 'Voodoo' | A | 4.95 | Yes |
| Sedum telephium 'Autumn Joy' | B | 5.45 | Yes | | Sempervivum tectorum - Hens and Chicks | | 3.95 | Yes |
| Sidalcea hybrida 'Party Girl' | B | 5.45 | Yes | | Silene dioica 'Clifford Moore' | B | 5.45 | No |
| Silene virginica - Fire Pink Campion | A | 4.95 | Yes | | Silphium perfoliatum - Whorled Cup Plant | D+ | 11.95 | Yes |
| Sisyrinchium angustifolium 'Lucerne' | A | 4.95 | Yes | | Solidago cutleri 'Goldrush' | B | 5.45 | No |
| Stachys byzantia 'Big Ears' (Helene Von Stein) | B | 5.45 | No | | Stachys monniere (densifolia) 'Hummelo' | B | 5.45 | Yes |
| Stokesia laevis 'Honeysong Purple' | B | 5.45 | Yes | | Symphyandra zanzeaua - Alpine Bells | A | 4.95 | Yes |
| Tanacetum coccineum 'Robinson's Red' | B | 5.45 | Yes | | Thalictrum aquilegifolium 'Purpureum' | B | 5.95 | Yes |
| Thalictrum flavum glaucum 'Yellow Meadow Rue' | B | 5.45 | Yes | | Thalictrum rochbrunianum | C | 7.95 | Yes |
| Thalictrum rochbrunianum 'Lavender Mist' | C | 7.95 | Yes | | Thermopsis chinensis 'Sunrise' | B | 5.95 | Yes |
| Thymus serphyllum 'Magic Carpet' - Dwarf Thyme | | 60.00 | Yes | | Tiarella cordifolia 'Brandywine' | B | 5.45 | Yes |
| Tradescantia andersonia 'Purple Profusion' | B | 5.45 | Yes | | Tricyrtis hirta - Toad Lily | B | 5.95 | No |
| Trillium grandiflorum - White Woodland Trillium | B | 6.95 | Yes | | Trillium luteum - Yellow Trillium | B | 6.95 | No |
| Trollius europaeus 'New Moon' | B | 5.95 | Yes | | Trollius europaeus 'Superbus' | B | 5.95 | Yes |
| Uvularia grandiflora - Yellow Merry Bells | A | 5.95 | No | | Verbesina helianthoides - Yellow Crownbeard | B | 5.95 | No |
| Vernonia fasciculata - Upland Ironweed | D | 9.95 | Yes | | Vernonia noveboracensis - New York Ironweed | D | 9.95 | Yes |
| Veronica austriaca 'Crater Lake' | B | 5.45 | Yes | | Veronica gentianoides - Blue Streak | B | 5.45 | Yes |
| Veronica longifolia 'Sonja' | B | 5.45 | Yes | | Veronica spicata 'Red Fox' | B | 5.45 | Yes |
| Veronica spicata 'Royal Candles' | B | 5.45 | Yes | | Veronica teucrium 'Royal Blue' | B | 5.45 | Yes |
| Veronicastrum virginicum | B | 5.95 | Yes | | Veronicastrum virginicum 'Lavender Towers' | B | 5.95 | Yes |
| Viola labradorica - Purple Leaved Violet | | 60.00 | Yes | | Yucca filamentosa | D | 9.95 | Yes |
| Yucca filamentosa 'Bright Edge' | D+ | 11.95 | No | | Christmas Fern - Polystichum acrostichoides | B | 5.45 | Yes |
| Cinnamon Fern - Osmunda cinnamomea | C | 7.95 | Yes | | Eastern Wood Fern - Dryopteris marginalis | B | 5.45 | Yes |
| Ghost Fern - Athyrium x 'Ghost' | B | 5.95 | Yes | | Hayscented Fern - Dennstaedtia punctilobula | | 82.00 | No |
| Japanese Painted - Athyrium niponicum pictum | B | 5.95 | Yes | | Lady Fern - Athyrium filix feminia 'Lady in Red' | B | 5.95 | Yes |
| Maidenhair Fern - Adiantum pedatum | C | 7.95 | Yes | | Ostrich Fern - Matteuccia struthiopteris | D | 9.95 | Yes |
| Royal Fern - Osmunda regalis | C | 7.95 | Yes | | Acorus gramineus 'Oborozuki' | B | 5.95 | Yes |
| Andropogon gerardii - Big Bluestem | D | 9.95 | Yes | | Calamagrostis acutiflora 'Karl Forster' | D | 9.95 | Yes |
| Carex dolichostachya 'Kage Nishiki' | B | 5.45 | Yes | | Carex glauca 'Blue Zinger' | B | 5.45 | Yes |
| Carex morrowii 'Ice Dance' | B | 5.95 | No | | Carex muskingumensis 'Little Midge' | A | 4.95 | Yes |
| Carex pensylvanica | B | 5.45 | Yes | | Carex testacea - Orange Sedge | B | 5.95 | No |
| Chasmanthium latifolium - Northern Sea Oats | B | 5.95 | Yes | | Deschampsia cespitosa 'Pixie Fountain' | B | 5.95 | No |
| Festuca ovina glauca 'Elijah Blue' | B | 5.45 | No | | Hakonechloa macro 'Albo Variegata' | B | 12.95 | Yes |
| Hakonechloa macro 'All Gold' | B | 12.95 | Yes | | Hakonechloa macro 'Aureola' | B | 12.95 | No |
| Helictotrichon sempervirens 'Sapphire' | B | 5.95 | No | | Imperata cylindrica 'Red Baron' | B | 5.95 | No |
| Koeleria glauca 'Coolio' | B | 5.95 | Yes | | Miscanthus condensatus 'Cabaret' | D+ | 11.95 | Yes |
| Miscanthus giganteus - Giant Miscanthus | D+ | 11.95 | Yes | | Miscanthus sinensis 'Graziella' | D | 9.95 | Yes |
| Miscanthus sinensis 'Little Kitten' | D | 9.95 | Yes | | Miscanthus sinensis 'Malepartus' | D+ | 11.95 | Yes |
| Miscanthus sinensis 'Morning Light' | D+ | 11.95 | Yes | | Miscanthus sinensis 'Purpurescens' | D | 9.95 | No |
| Miscanthus sinensis 'Rigoletto' | D+ | 11.95 | No | | Miscanthus sinensis 'Strictus' - Porcupine Grass | D | 9.95 | Yes |
| Molina arundinacea 'Skyracer' | D | 9.95 | Yes | | Panicum virgatum 'Heavy Metal' | D | 9.95 | No |
| Panicum virgatum 'North Wind' | D | 9.95 | Yes | | Panicum virgatum 'Ruby Ribbons' | D | 9.95 | Yes |
| Pennisetum alopecuroides | B | 5.95 | Yes | | Pennisetum alopecuroides 'Burgundy Bunny' | B | 5.95 | Yes |
| Pennisetum alopecuroides 'Hamelin' | B | 5.95 | Yes | | Pennisetum alopecuroides 'Piglet' | B | 5.95 | No |
| Pennisetum setareum 'Fireworks' | B | 5.95 | Yes | | Schizachyrium scoparium - Little Bluestem | B | 5.95 | Yes |
| Sporobolus heterolepis - Prairie Dropseed | B | 5.95 | Yes | | z - 5/12/13 | | 0.01 | Yes |