| Yarrow | Terracotta | Terracotta Orange | 36" | Sun | June-Sept | ||
| Acontium | Monkshood, Wolfsbane | Album | White | Sun, Partial Shade | |||
| Acontium | Monkshood, Wolfsbane | Spark's Variety | Dark Violet Blue | Sun, Partial Shade | |||
| Aconitum napellus | Monkshood, Wolfsbane | Common Monkshood | Dark Blue | 48" | Sun, Partial Shade | Jul-Aug | |
| Actea | Bugbane | Atropurpurea | White | Partial Shade | Dark foliage, one of the most fragrant, formerly Cimicifunga | ||
| Actea | Bugbane | Reacemosa | White | 66" | Partial Shade | Very tall, formerly Cimicifunga | |
| Ajuga reptans | Bugleweed | Burgundy Glow | Violet Blue | 6" | Sun, Shade | May-June | Burgundy, green & white leaves |
| Ajuga reptans | Bugleweed | Chocolate Chip, Valfredda | Violet Blue | 2" | Sun, Shade | May-June | ground cover |
| Alchemilla | Lady's Mantle | Sun, Partial Shade | |||||
| Alcea rosea | Hollyhocks | Nigra | Near Black | 60-72" | Sun, Partial Shade | Jul-Sept | Near Black flowers, good contrast white background |
| Anemone canadensis | Windeflower, Anenome | Canada Anemone | white, Yellow Centers | 12-24" | Partila shade, Sun | Jun-July | vigorous native ground cover |
| Anemone | September Charm | Sun, Partial Shade | |||||
| Aquilegia | Columbine | McKana Hybrids | Mixed Pastel | 18-24" | Sun, Partial Shade | zone 3-10 | |
| Aquilegia | Columbine | Clementine Blue | Violet Purple | 18-24" | Sun, Partial Shade | zone 3-10 | |
| Aquilegia vulgaris | Columbine | Barlow Black | Dark Purple | 24-30" | Sun, Partial Shade | May-June | double flowers |
| Armeria | Common Thrift | Pink | Sun | Grasslike foliage | |||
| Artemisia stelleriana | Wormwood | Broughton Silver | 8" | Sun | Aug-Sept | Silvery foliage | |
| Aruncus | Goat's Beard | Guinea Fowl | Partial Shade, Shade | Attractive finely cut foliage | |||
| Aruncus aethusifolius | Goat's Beard | Dwarf Goat's Beard | creamy White | 8-12" | Partial Shade, Shade | Jun-July | Wicked Rugged |
| Asarum canadense | Ginger, Hexastylis | Canadian Wild Ginger | 6-12" | Partial shade | May | ground cover, Wicked Rugged | |
| Asarum europaeum | Ginger, Hexastylis | European Ginger | 6" | Partial Shade, Shade | May | ground cover | |
| Aster laevis | Michaelmas Daisy, Smoother Aster | Blue Bird | Bluish, Yellow Centers | 48-60" | Sun, Partial Shade | Sep-Oct | mildew resistant |
| Astilbe | Eden's Phoenix | Partial Shade, Shade | |||||
| Astilbe | Rheinland | Partial Shade, Shade | |||||
| Astilbe | Visions in Pink | Partial Shade, Shade | |||||
| Astilbe | Visions in Red | Partial Shade, Shade | |||||
| Astrantia | Masterwort | Reds, Pinks, Purples | Sun, Partial Shade | Interesting round flower with collar | |||
| Aurinia | Basket of Gold | Gold Ball | Yellow | 12-18" | Full Sun | Apr-May | |
| Aurinia | Basket of Gold | Gold Dust | Yellow | 12-18" | Full Sun | Apr-May | |
| Baptisia | False Indigo | Midnite Prairieblues | Blue | Sun, Partial Shade | June-July | 2010 Perennial of the Year | |
| Baptisia | False Indigo | Solar Flare Prairieblues | Yellow | Sun, Partial Shade | June-July | 2010 Perennial of the Year | |
| Baptisia | False Indigo | Starlite Prarieblues | Periwinkle | Sun, Partial Shade | June-July | 2010 Perennial of the Year | |
| Baptisia | False Indigo | Twilite Prarieblues | Violet | Sun, Partial Shade | June-July | 2010 Perennial of the Year | |
| Baptisia | False Indigo | Purple Smoke | Sun, Partial Shade | June-July | 2010 Perennial of the Year | ||
| Bergenia | Pig Squeak | Cordifolia | Pink | 12-18" | Partial Shade | Apr-May | Interesting thick foliage |
| Brunerra | Alkanet, Siberian Bugloss | Jack Frost | Blue | 12" | Partial Shade, Full Shade | Apr-May | Silvery leaves with green veins, resembles Forget-Me-Nots |
| Buddlea | Butterfly Bush | 5-7" | Sun, Partial Shade | Aug-Sept | Fast Growing Shrub, Honey Scented blooms attract butterflies | ||
| Campanula | Bellflower | Birch Hybrid | Lavender Blue | 4-6" | Sun, Partial Shade | May-June | Excellent for rock gardens or borders, good for cutting |
| Campanula lact. | Bellflower | Loddon Anna | Pale Pink | 36-42" | Sun, Partial Shade | May-June | Prefers moisture, good for cutting |
| Campanula capatica | Bellflower | Dark Blue Chips | Blue | 6-8" | Sun, Partial Shade | Jun-Sept | bell-shaped flowers |
| Centaurea | Cornflower | Mountain Bluet | Blue | 12-24" | Sun | June-Aug | |
| Cerastium | Snow in Summer | Tomentosum | White | 3-6" | Sun | Jun-July | Silvery foliage, good ground cover, edging or in gardens |
| Chelone lyonii | Turtlehead | Hot Lips | Rose-Pink | 24-36" | Sun, Partial Shade | Aug-Sept | |
| Chelone | Turtle Head | Obliqua | Pinkish Purple | 30-36" | Sun, Partial Shade | July-Aug | Pest Resistant, prefers moisture |
| Chrysanthemum morifolium | Daisy | Mammoth | Dark Bronze | 20-36" | Sun | Aug-Sept | No pinching,pruning or deadheading |
| Chrysanthemum morifolium | Daisy | Mammoth | Lavender | 20-36" | Sun | Aug-Sept | No pinching,pruning or deadheading |
| Chrysanthemum morifolium | Daisy | Mammoth Twilight | Pink | 20-36" | Sun | Aug-Sept | No pinching,pruning or deadheading |
| Clematis | Earnest Markham | Magenta Red | 12-15' | Sun, Partial Shade | July-Sept | Strong and vigorous grower | |
| Clematis | Henry I | White | 10-12' | Sun, Partial Shade | June-Sept | Pure white flowers with contrasting brown stamens | |
| Clematis | Jackman II | Velvety Purple | 12-15" | Sun, Partial Shade | June-Sept | Most profuse bloomer | |
| Clematis | Sweet Autumn Vine | Paniculata | White | 12-18" | Sun, Partial Shade | Aug-Sept | Very fragrant flowers |
| Clematis | Silver Lace Vine | Poligonum Albert II | Sun, Partial Shade | ||||
| Clematis | Will Goodwin | Sun, Partial Shade | |||||
| Convallaria majalis | Lily of the Valley | White | 6-8" | Shade, partial Shade | May-June | Wicked Rugged, Ground Cover, Fragrant Bell Shaped Flowers | |
| Convallaria majalis | Lily of the Valley | Rosea | Light Pink | 6-8" | Shade, partial Shade | May-June | Wicked Rugged, Ground Cover, Fragrant Bell Shaped Flowers |
| Coreopsis | Little Sundial | Sun | |||||
| Coreopsis | Redshift | Sun | |||||
| Coreopsis | Threadleaf | Sun | |||||
| Coreopsis | Zagreb | Sun | |||||
| Cornus canadensis | Bunchberry | Bunchberry | |||||
| Darmera | Umbrella Plant | Partial Shade | Interesting plant, flowers emerge before foliage | ||||
| Delphinium Millennium Hybrid | Delphinium | Blushing Brides | Pink shades | 48-72" | Sun, Partial Shade | Jun-July | |
| Delphinium Millennium Hybrid | Delphinium | Pink Punch | Deep Rich Pink | 36-60" | Sun, Partial Shade | Jun-July | |
| Dianthus | Pinks | Spring Beauty | Pink | 12" | Sun | zone 4-9 | |
| Dicentra | Bleeding Heart | Spectablis | Rose Pink | 18-24" | Sun, Partial Shade | May-June | |
| Dicentra | Bleeding Heart | Spectablis alba | White | 18-24" | Sun, Partial Shade | May-June | |
| Dicentra | Formosa | Bacchanal | Small fringed leaf | ||||
| Dictamus | Gas Plant | ||||||
| Digitalis | Foxglove | Sun | |||||
| Dodecatheon meadia | Shooting Star | Shooting Star | white or pale pink | 12" | Partial shade | May-June | rock gardens |
| Echinacea | Coneflower | Magnus | Sun | ||||
| Echinacea | Coneflower | Primadonna | Deep Rose | Sun | |||
| Echinacea | Coneflower | Elton Knight | Pink | Sun | new compact variety | ||
| Epimedium | Barrenwort | Partial shade, Shade | excellent in deep shade, under trees, dainty flowers | ||||
| Eryngium | Sea Holly | Sapphire Blue | Blue | Sun | Metallic blue blloms, excellent cut flower | ||
| Eupatorium | Joe Pye Weed | Baby Joe | Sun, Partial Shade | ||||
| Ferns | many varieties | Partial Shade, Shade | many varieties available | ||||
| Filipendula | Meadow Sweet | M Washington Plum | Sun, Partial Shade | Extremely hardy, pest resistant | |||
| Gaillardia aristata | Indian Blanket Flower | Fanfare | Reds & Yellow | 16-18" | Sun | Jun-Aug | |
| Gaultheria procumbens | Wintergreen | white | 4-6" | Partial Shade | Jul-Aug | ||
| Geranium | Cranesbill | Ballerina | Sun, Partial Shade | ||||
| Geranium | Cranesbill | Max Frei | Pink | 8-10" | Sun, Partial Shade | Jun-Sept | |
| Geranium | Cranesbill | Splish, Splash | Sun, Partial Shade | May-Sept | |||
| Geranium | Cranesbill | New Hampshire Purple | Purple | 9-12" | Sun, Partial Shade | June-Oct | Reliable & tough, good ground cover |
| Geranium | Cranesbill | Rozanne | Violet | 12-18" | Sun, Partial Shade | ||
| Heachera | Coral Bells | Caramel | Partial Shade | Heat & sun tolerant, golden orange foliage turns aprcot | |||
| Heachera | Coral Bells | Purple Palace | Partial Shade | Mahogany foliage | |||
| Heather | Sun | ||||||
| Helenium | Helena Red Shades | Sun | |||||
| Helenium | Helena Gold | Sun | |||||
| Helenium | Rubinzwerg | Sun | |||||
| Heliopsis | Summer Sun | Sun | |||||
| Heliopsis | Summer Night | Sun | |||||
| Hemerocallis | Daylily, Day Lily | Sun | |||||
| Herdera helix | Ivy, Blatic Ivy | Baltica | 6-8" | Partial Shade, Shade | ground cover | ||
| Heucherella | Partial Shade | forms nice clumps, excellent for borders | |||||
| Hosta | Big Daddy | Partial Shade | |||||
| Hosta | Elegans | Partial Shade | |||||
| Hosta | Empress Wu | Partial Shade | |||||
| Hosta | Krossa Regal | Partial Shade | |||||
| Hosta | Patriot | Partial Shade | |||||
| Hosta | Powder Blue | Partial Shade | |||||
| Hosta | Royal Standard | Partial Shade | |||||
| Hosta | Sagae | Partial Shade | Hosta of the Year 2000 | ||||
| Hosta | T Rex | Partial Shade | One of the largest | ||||
| Iris ensata | Japanese Iris | August Emperor | Dbl Pink purple, white edges | 27-36" | Sun | Jun-July | |
| Iris ensata | Japanese Iris | Light at Dawn | white, purple edges | 24-36" | Sun | Jun-July | |
| Iris ensata | Japanese Iris | Variegata | deep purple | 30-36" | Sun | Jun-July | |
| Iris Germanica | Bearded Iris | Avalon Sunset | Ornage | Sun | Bright orange with tangerine beard | ||
| Iris Germanica | Bearded Iris | Dusky Challenge | Blue | Sun | Royal blue, plant in 3 for royal show | ||
| Iris Germanica | Bearded Iris | Immortality | White | Sun | Pure white, good rebloomer | ||
| Iris Germanica | Bearded Iris | Rosalie Figge | Purple | Sun | Deep reddish purple | ||
| Iris Germanica | Bearded Iris | Summer Olympics | Sun | Pretty with peonies & dianthus | |||
| Iris sibirica | Siberian Iris | Pink Haze | lavender pink | 36" | Sun, Partial Shade | June | |
| Iris sibirica | Siberian Iris | Butter & Sugar | yellow & white | 28" | Sun, Partial Shade | June | |
| Iris sibirica | Siberian Iris | White Swirl | white | 36" | Sun, Partial Shade | June | |
| Iris versicolor | Iris | Blue Flag | medium blue, gold splashes | 24" | Sun, Partial shade | June | |
| Lamium | Partial Shade | pretty, good groundcover | |||||
| Leucanthemum | Shasta Daisy | Snowcap | White, yellow centers | 12" | Sun, partial shade | Jun-July | Dwarf w/ large flowers |
| Leucantheum | Shasta Daisy | Becky | Sun | ||||
| Leucantheum | Shasta Daisy | Sunny Side Up | Sun | ||||
| Bitterroot | Sunset Strain | Yellow, Apricot & Red | 10" | Sun, Partial Shade | May-June | ||
| Liatris | Sun | Good cut flower | |||||
| Ligularia | Ragwort | Othello | Partial Shade | ||||
| Ligularia | Ragwort | The Rocket | Partial Shade | ||||
| Lilium | Asiatic Lily | Sun, Partial Shade | many varieties available | ||||
| Lilium | Oriental Lily | Sun, Partial Shade | many varieties available | ||||
| Limonium latifolium | Sea Lavender | Lavender Blue | 24" | Sun | Jul-Sept | ||
| Lobelia | Lobelia | Ruby Slippers | ruby red | 36-48" | Partial shade, sun | Jul-Sept | Butterfly caviar |
| Lobelia cardinalis | Lobelia | Cardinal Flower | red | 24-36" | Shade, partial shade | Aug-Sept | reseeds |
| Monarda | Bee Balm | Grand Marshall | Red, Purple | Sun, Partial Shade | |||
| Monarda | Bee Balm | Grand Mum | Pink | Sun, Partial Shade | |||
| Monarda | Bee Balm | Grand Parade | Pink | Sun, Partial Shade | |||
| Monarda | Bee Balm | Jacob Cline | Sun, Partial Shade | ||||
| Monarda | Bee Balm | Marshall's Delight | Sun, Partial Shade | ||||
| Monarda | Bee Balm | Raspberry Wine | Sun, Partial Shade | ||||
| Nepeta | Catmint, Cat Mint | Dusk til Dawn | Sun | Japanese catmint | |||
| Nepeta | Catmint, Cat Mint | Walker's Low | Sun | ||||
| Nepeta | Catmint, Cat Mint | Little Titch | Blue, Violet | Sun | Compact | ||
| Pachysandra | Partial shade, Shade | ground cover | |||||
| Paeonia | Peony | Sun, Partial Shade | |||||
| Paeonia | Peony | Renato | watermelon red | 32" | Sun, partial shade | early | double, glowing red & fragrant |
| Paeonia | Peony, Japanese | Pay Off | red | 28" | Sun, partial shade | mid | compact, lovely dark color |
| Paeonia | Peony, Double | Albert Crousse | light rose pink & cream | 36-38" | Sun, partial shade | late | double, nice pink overtones |
| Paeonia | Peony | Green Lotus | white & lime green | 28-32" | Sun, partial shade | early | single. Designer peony |
| Paeonia | Peony, Double | Red Charm | deep red | 36" | Sun, partial shade | early | Double, ruffled flowers, American Peony Society Gold Medal Winner |
| Paeonia | Peony | White Grace | snowy white | 28" | Sun, partial shade | mid | Semi-double, billowy blossoms |
| Papaver | Poppy, Poppies | Turkenlouis | Red | Sun | fringed red | ||
| Penstemon | Pina Colada | ||||||
| Penstemon | Pretty Petticoats | ||||||
| Phlox | Subulata, Phlox | Lavender, Pink, White | Sun, Partial Shade | ||||
| Phlox stolonifera | Creeping Phlox | Sherwood Purple | dusty purple | 6-8" | Shade, partial shade | Apr-May | strong grower |
| Phlox stolonifera | Creeping Phlox | Wister Pink | lavender pinl | 6-8" | Shade, partial shade | May | |
| Phlox subulata | Moss Phlox | Emerald Cushion Blue | blue | 4-6" | Sun, partial shade | May-June | |
| Phlox subulata | Moss Phlox | Emerald Pink | pink | 4-6" | Sun, partial shade | May-June | |
| Platycodon | Balloon Flower | Mariesii | Violet Blue | 12-20" | Sun, Light Shade | Jun-Aug | |
| Platycodon | Balloon Flower | Hybrid Blue | Deep Blue | 30-40" | Sun, Light Shade | Jun-Aug | |
| Platycodon | Balloon Flower | Hybrid Pink | Clear Pink | 30-40" | Sun, Light Shade | Jun-Aug | |
| Platycodon | Balloon Flower | Hybrid White | White | 30-40" | Sun, Light Shade | Jun-Aug | |
| Potentilla | Cinquefoil | William Rollisson | Red | Sun | Vermillion red | ||
| Pulmonaria | Partial Shade, Shade | attractive spotted foliage | |||||
| Rheum | Ornamental Rhubarb | Sun, Partial Shade, Shade | Huge foliage | ||||
| Rodgersia | Rodger's Flower | Partial Shade, Shade | |||||
| Rudbeckia | Black Eyed Susan | Goldsturm | Yellow | Sun | Large, dark yellow | ||
| Salvia | Sage | Blue Hills | Sun | Good cut flower, drought tolerant | |||
| Salvia | Sage | East Friesland | Sun | Good cut flower, drought tolerant | |||
| Salvia | Sage | May Night | Sun | Good cut flower, drought tolerant | |||
| Sedum | Sun | many varieties available | |||||
| Sidalcea | Prairie Mallow | Sun, Partial Shade | Flowers resemble mini hollyhocks | ||||
| Silphium | Gas Plant | Yellow | 60-72" | Sun | Huge meadow plant, bright yellow flowers | ||
| Stachys Monieri | Lamb's Ear | Humelo | Purple, pink | Sun | Good ground cover, puckered green leaves | ||
| Stachys | Lamb's Ear | Silver Carpet | 6-10" | Sun | non flowering, ground cover | ||
| Tanacetum | Painted Daisy | Sun | |||||
| Tradescantia | Spiderwort | Sun, Partial Shade | Flowers in star-shaped umbels, cut back for more growth & rebloom | ||||
| Trollius | Globeflower | Orange, Yellow | Sun, Partial Shade | Vibrant oranges & yellows, best in moist soil, near ponds & wetlands | |||
| Trollius | Globeflower | Cheddar | Pale Yellow | 18-24" | Sun, Shade | May-June | |
| Trollius chinensis | Globeflower | Golden Queen | Rich Gold | 36" | Sun. Shade | May-June | |
| Uvularia grandiflora | Liliaceae | Merrybells | palest yellow | 12-16" | Partial shade, shade | Apr-May | |
| Veronica | Speedwell, Veronica | Sun, Partial Shade | Long blooming spikes, drought tolerant | ||||
| China Blue | |||||||