| Common | Scientific | Cultivar | Color | LT | BT | GH | HT | Other |
| Anemone | Anemone sylvestris | Snowdrop | wh | sh | May-June | mounded | 2" | light color foliage |
| Artemisia | Artemisia | Silver Brocade | n/a | s | n/a | mounded | 10" | |
| Artemisia | Artemisia | Silver King | n/a | s | n/a | mounded | 36" | silver foliage |
| Artemisia | Artemisia | Silver Mound | n/a | s | n/a | mounded | 10" | silver foliage |
| Aster | Aster spp. | Hella Lacy | pur | s | Sept-Oct | upright | 40" | reddish foliage |
| Aster | Aster spp. | Purple Dome | pur | s | Sept-Oct | upright | 18" | heavy bloomer |
| Aster | Aster spp. | Violet Queen | violet-pur | s | Sept-Oct | upright | 24" | yellow eyes |
| Astilbe | Astilbe spp. | Amethyst | | s | Sept-Oct | upright | | |
| Astilbe | Astilbe spp. | Avalanche | | s | Sept-Oct | upright | | |
| Astilbe | Astilbe spp. | Bonn | | s | Sept-Oct | upright | | |
| Astilbe | Astilbe spp. | Purpurkerze | rosy purple | sh | Aug | upright | 36" | tolerant of boggy |
| Astilbe | Astilbe spp. | Sprite | shell pink | sh | June | upright | 18" | bronzy foliage |
| Avens | Geum | Double Bloody Mary | | | | | | |
| Avens | Geum | Mrs. Bradshaw | yellow/orange | s | May-July | upright | 24" | double bloom |
| Baby's Breath | Gysophila | Double Snowflake | | | | | | |
| Baby's Breath | Gysophila | Festival | white | s | June-Aug | upright | 36" | |
| Baby's Breath | Gysophila | Happy Festival | white | s | June-Aug | upright | 24-30" | |
| Balloon Flower | Platycodon | Sentimental Blue | blue | s/ps | July-Aug | upright | 6-8" | |
| Basket of Gold | Aurinia saxitilis | sny Border Apricot | Apricot | s | April-May | mounding | 8" | silver foliage |
| Bearded Tongue | Penstemon | Bashful | coral-pink | s | June-July | upright | 12" | |
| Bearded Tongue | Penstemon | Elfin Pink | pink | s | June-July | upright | 14" | |
| Bearded Tongue | Penstemon | Husker Red | red | s | June-July | upright | 30" | red foliage |
| Bearded Tongue | Penstemon | Midnight Blue | purple-blue | s | June-July | upright | 30" | |
| Bearded Tongue | Penstemon | Prairie Dusk | rosy-purple | s | June-July | upright | 24" | |
| Bearded Tongue | Penstemon | Sour Grapes | pale purple | s | June-July | upright | 24-30" | |
| Bee Balm | Monarda | Jacob Cline | red | s/ps | June-July | upright | 48" | quick spreading |
| Bee Balm | Monarda | Marshall's Delight | pink | s/ps | June-July | upright | 36" | quick spreading |
| Bee Balm | Monarda | Petite Delight | purple-pink | s/ps | June-July | upright | 12-15" | quick spreading |
| Bee Balm | Monarda | Snow White | white | s/ps | June-July | upright | 24-30" | quick spreading |
| Bee Balm | Monarda | Violet Queen | lavender-blue | s/ps | June-July | upright | 30" | quick spreading |
| Bellflower | Campanula | Blue Clips | blue | s/ps | June-Aug | mounded | 8" | |
| Bellflower | Campanula | Blue Uniform | blue | s/ps | June-Aug | mounded | 8" | |
| Bellflower | Campanula | Chettle Charm | white | s/ps | June-Aug | mounded | 8" | |
| Bellflower | Campanula | PremPink | | | | | | |
| Bellflower | Campanula | Teleham Beauty | blue | s/ps | June-Aug | mounded | 8" | |
| Bellflower | Campanula | White Clips | white | s/ps | June-Aug | mounded | 8" | |
| Bellflower | Campanula | | | | | | | |
| Bitterroot | Lewisia Hybrid | | mix | ps | June-July | mounded | 10" | |
| Blanket Flower | Gaillardia | Baby Cole | red and yellow | s | June-frost | upright | 6" | |
| Blanket Flower | Gaillardia | Burgundy | wine-red | s | June-frost | upright | 24" | |
| Blanket Flower | Gaillardia | Dazzler | yellow | s | June-frost | upright | 24-30" | |
| Blanket Flower | Gaillardia | Goblin | golden-yellow | s | June-frost | upright | 12" | |
| Blanket Flower | Gaillardia | Golden Globe | | | | | | |
| Blanket Flower | Gaillardia | Mandarin | yellow/orange | s | June-frost | upright | 24" | |
| Blue Mist Spirea | Caryopteris | Dark Knight | rich purple | s | July-Sept. | upright | 36-48" | |
| Blue Mist Spirea | Caryopteris | Longwood Blue | sky-blue | s | July-Sept. | upright | 36-48" | silvery foliage |
| Blue Mist Spirea | Caryopteris | Worcester Gold | blue | s | July-Sept. | upright | 36-48" | gold foliage |
| Blue Poppy | Meconopsis grandis | | | | | | | |
| Bugleweed | Ajuga | Jungle Beauty | bl | s/sh | May-June | groundcover | 8" | |
| Butterfly Bush | Buddleia davidii | Black Night | blue-black | s | July-Sept. | upright | 84" | silver foliage |
| Butterfly Bush | Buddleia davidii | Border Beauty | crimson-purple | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | Dartmoor | deep lilac | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | Harlequin | golden-yellow | s | July-Sept. | upright | 84" | var. foliage |
| Butterfly Bush | Buddleia davidii | Lockinch | lavender/yellow eyes | s | July-Sept. | upright | 84" | silver foliage |
| Butterfly Bush | Buddleia davidii | Nanho Blue | blue | s | July-Sept. | upright | 84" | silver foliage |
| Butterfly Bush | Buddleia davidii | Nanho Purple | purple | s | July-Sept. | upright | 84" | silver foliage |
| Butterfly Bush | Buddleia davidii | Pink Delight | pink | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | Summer Beauty | deep rose-pink | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | sgold | yellow | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | Toyal Red | purple-red | s | July-Sept. | upright | 84" | |
| Butterfly Bush | Buddleia davidii | Violet | | | | | | |
| Butterfly Bush | Buddleia davidii | White Profusion | white | s | July-Sept. | upright | 84" | |
| Candy Lily | Pardancanda | Dazzler | mix | s | July-Sept. | clumping | 12" | |
| Candytuft | Iberis sempervirens | Purity | white | s | May-June | mounded | 24" | |
| Candytuft | Iberis sempervirens | Snowflake | | | | | | |
| Cardinal Flower | Lobelia cardinalis | | red | s/ps | July-Sept. | spreading | 36-48" | |
| Catchfly | Lychins | Peggy | rosy-red | s | June-Aug | upright | 10" | fuzzy foliage |
| Chameleon Plant | Houttuynia | Chameleon | n/a | s/ps | May-June | spreading | 18" | wh/rd/pur foliage |
| Chrysanthemum | Leucanthemum | Exhibition | white | s/ps | June-Sept | upright | 28" | semi-double |
| Chrysanthemum | Leucanthemum | Silver Prince | white | s/ps | June-Sept | upright | 12-15" | single |
| Chrysanthemum | Leucanthemum | Snow Lady | white | s/ps | June-Sept | upright | 10-12" | single |
| Chrysanthemum | Leucanthemum | Snowcap | white | s/ps | June-Sept | upright | 14-18" | |
| Chrysanthemum | Leucanthemum | Summer Snowball | white | s/ps | June-Sept | upright | 30" | double bloom |
| Columbine | Aquilegia | Music Mix | bl, pk, rd w/wh or gold center | s/ps | May-June | upright | 16" | large flowers |
| Coneflower | Rudbeckia | Goldstream | | | | | | |
| Coneflower | Rudbeckia | Maxima | yellow | s | July-frost | upright | 84" | |
| Coral Bells | Heuchera | Amethyst Mist | white | s/ps | May-June | mounded | 10" | nice foliage |
| Coral Bells | Heuchera | Bressingham Hybrids | | | | | | |
| Coral Bells | Heuchera | Chatter Box | pink | s/ps | May-June | mounded | 18" | nice foliage |
| Coral Bells | Heuchera | Mt. St. Helen's | strawberry-red | s/ps | May-June | mounded | 18" | nice foliage |
| Coral Bells | Heuchera | Palace Purple | white | s/ps | May-June | mounded | 12-24" | nice foliage |
| Cornflower | Centaurea | Montana | blue | s | June-July | upright | 24" | |
| Datura | Datura | Bele Blanche | | | | | | |
| Dead Nettle | Lamium | Beacon Silver | pink | s/ps | Apr-May | mounded | 8" | |
| Dead Nettle | Lamium | Pink Pewter | pink | s/ps | Apr-May | mounded | 8" | |
| Dead Nettle | Lamium | Red Nancy | red | s/ps | Apr-May | mounded | 8" | groundcover |
| Dead Nettle | Lamium | Saphye | | | | | | |
| Dead Nettle | Lamium album | | white | s/ps | Apr-May | mounded | 8" | |
| Delphinium | Delphinium | Black Knight | deep midnight violet | s | May-June | upright | 60" | |
| Delphinium | Delphinium | King Arthur | violet | s | May-June | upright | 60" | |
| Delphinium | Delphinium | Magic Fountain Dark Blue | dark blue | s | May-June | upright | 30" | |
| Delphinium | Delphinium | Magic Fountain Lavender | lavender | s | May-June | upright | 30" | |
| Delphinium | Delphinium | Magic Fountain Sky Blue | blue | s | May-June | upright | 30" | |
| Delphinium | Delphinium | Magic Fountain White | white | s | May-June | upright | 30" | |
| Dianthus | Dianthus | Ballad | | | | | | |
| Dianthus | Dianthus | Bath's Pink | pink | s | May-June | mounded | 6-8" | |
| Dianthus | Dianthus | Candy Dish | pink w/ red streak | s | May-June | mounded | 10-12" | bluish foliage |
| Dianthus | Dianthus | Chedder Pink | | | | | | |
| Dianthus | Dianthus | Little Bobby | raspberry red | s | May-June | mounded | 6" | bluish foliage |
| Dianthus | Dianthus | Oakington | rose | s | May-June | mounded | 6" | double bloom |
| Dianthus | Dianthus | Old Spice | pink | s | May-June | mounded | 10-12" | fragrant |
| Dianthus | Dianthus | Spring Beauty | | | | | | |
| Dianthus | Dianthus | Tiny Rubies | double rose-red | s | May-June | mounded | 10-12" | |
| Dock | Rumex sangiuneus | | n/a | s | n/a | clumping | 10" | |
| Dwarf Bearded Tongue | Penstemon | | | | | | | |
| Dwarf Columbine | Aquilegia | Cameo Mix | bl/ pk/ rose/wh, rose | s/ps | May-June | dwarf | 4" | |
| Evening Primrose | Oenothera | Missouri Primo | lemon yellow | s | June-Aug | spreading | 10-12" | |
| Evening Primrose | Oenothera | Siskiyou | pink | s | June-Aug | spreading | 6-12" | |
| Evening Primrose | Oenothera | | | | | | | |
| False Indigo | Baptista australis | | blue | s/ps | June | upright | 40" | pea-like flowers |
| Flax | Linum | Sapphire | blue | s | May-Aug | upright | 12" | lacy foliage |
| Fleabane | Erigeron | Azure Fairy | | | | | | |
| Fleabane | Erigeron | Profusion | | | | | | |
| Fleabane | Erigeron | Prosperity | lavender-blue | s | May-Sept. | mounded | 18" | |
| Fleeceflower | Persicaria | Red Dragon | white | s/ps/sh | n/a | mounded | 24" | purple & green fol |
| Forget-me-not | Myosotis | Rosylva | pink | s/ps | May-June | mounded | 8" | |
| Forget-me-not | Myosotis | Victoria Blue | | | | | | |
| Forget-me-not | Myosotis | Victoria Indigo | blue | s/ps | May-June | mounded | 8" | |
| Foxglove | Digitalis | | | | | | | |
| Gentian | Gentiana | Aphine Gentian | | | | | | |
| Geranium | Geranium | Silver Sugar Plum | purple | s/ps | June-Sept. | upright | 12-24" | |
| Geranium | Geranium splendens | | hot pink | s/ps | June-Sept. | upright | 12-24" | |
| Germander | Teucrium | Chamaedry's Silver Edged | rosy-purple | s | Aug-Sept. | clumping | 18-24" | |
| Globe Thistle | Echinops | Blue Glow | Blue | s | July-Aug | upright | 36" | |
| Goat's Beard | Aruncus aethusifolius | | wh | s/ps | June-July | upright | 12" | lacey foliage |
| Goutweed | Aegopodium | Variegatum | n/a | s/sh | May-June | groundcover | 8-10" | var. foliage |
| Hardy Ageratum | Eupatorium purpureum | Chocolate | white | s/ps | Sept-Oct | upright | 48-60" | |
| Hardy Ageratum | Eupatorium purpureum | | | | | | | |
| Hardy Gloxinia | Incarvillea delavayi | | | | | | | |
| Hardy Sweet Pea | Lathyrus | Gallery White | | | | | | |
| Helen's Flower | Helenium | Hoopesii | | | | | | |
| Hen & Chicks | Sempervivum | | n/a | s/ps | June-Sept | spreading | 3-4" | foliage |
| Hollyhock | Alcea rosea | Watchman | | | | | | |
| Hollyhock | Alcea rosea | | | | | | | |
| Honeysuckle | Lonicera | Blanche Sandman | rose | s/ps | May-June | vine | | |
| Honeysuckle | Lonicera | Dropmore Scarlet | scarlet-red | s/ps | May-June | vine | 144" | |
| Honeysuckle | Lonicera | Goldflame | pink-yellow | s/ps | May-June | vine | 250" | |
| Hyssop | Hyssopus | Pink Delight | | | | | | |
| Ice Plant | Delosperma cooperi | | rose-pink | s | June-Aug | spreading | 3" | needs good drain |
| Irish Shamrock | Oxalis | | | | | | | |
| Kansas Gayfeather | Liatris spicata | | rose-lilac | s | July-Sept. | upright | 24-36" | |
| Lambs Ear | Stachys byzantina | | n/a | s | July | upright | 8" | foliage |
| Lavender Cotton | Santonlina | Lemon Queen | n/a | s | n/a | mounded | 24" | gray foliage |
| Leadwort | Ceratositigma plumbarnoid | Escape | deep blue | s/ps | Aug-Oct | groundcover | 12" | red fall foliage |
| Leadwort | Ceratositigma plumbarnoid | | | | | | | |
| Leopardbane | Doronicum | Little Leo | | | | | | |
| Lily Turf | Liriope | Monroe White | white | s/ps | June-Aug | clumping | 10" | groundcover |
| Lithodora | Lithodora | Grace Ward | blue | s | May-June | spreading | 6-12" | |
| Lithodora | Lithodora | Heavenly Blue | blue | s | May-June | spreading | 6-12" | |
| Loosestrife | Lysimachia clethroides | | white | s | June-Aug | upright | 36" | |
| Lupine | Lupinus | Blue | | | | | | |
| Lupine | Lupinus | Gallery White | | | | | | |
| Lupine | Lupinus | Mixed | | | | | | |
| Lupine | Lupinus | Pink | | | | | | |
| Lupine | Lupinus | Red | | | | | | |
| Lupine | Lupinus | Yellow | | | | | | |