DELPHINIUM grandiflorum 'Summer Blues'
(del-FIN-ee-um) (gran-di-FLOOR-um) | DELPSB3 |
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| Description: Exciting, well-branched dwarf covered with sky blue flowers. Better heat tolerance than other grandiflorums with a long flowering season. Can be grown as an annual. |
| Zone: 4 |
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DELPHINIUM grandiflorum 'Summer Nights'
(del-FIN-ee-um) (gran-di-FLOOR-um) | DELPSN3 |
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| Description: Deep blue flowers on this great 'Summer' Delphinium with same outstanding performance as 'Summer Blues'. |
| Zone: 4 |
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DELPHINIUM 'Magic Fountains'
(del-FIN-ee-um) | DELPMF3 |
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| Description: Flower spikes 12-15"; mixed colors. |
| Zone: 3 |
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DELPHINIUM Millennium Series 'Dwarf Stars'
(del-FIN-ee-um) | DELPMD3 |
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| Description: This delphinium is heat and drought tolerant and a mixture of many colors that don't need staking. Flowers June-September. Excellent cut flower! |
| Zone: 4 |
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DIANTHUS 'Bath's Pink'
(dy-ANN-thus) | DIANBP3 |
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| Common Name: Carnation |
| Description: Georgia Gold Medal Winner. Beautiful, low growing mat of silvery-blue foliage with single, soft pink, fringed flowers in June. Heat tolerant plants. |
| Zone: 5 |
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DIANTHUS 'Cheyenne'
(dy-ANN-thus) | DIANCH3 |
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| Common Name: Carnation |
| Description: Large, fragrant, double, pink, hardy carnation developed at the Cheyenne, WY Experiment Station. Exceptional plants with a long bloom period. |
| Zone: 4 |
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DIANTHUS deltoides 'Zing Rose'
(dy-ANN-thus) (del-TOY-deez) | DIANZI3 |
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| Common Name: Carnation |
| Description: Rose-red hybrid; dense, green foliage. |
| Zone: 3 |
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DIANTHUS 'First Love'
(dy-ANN-thus) | DIANFL3 |
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| Common Name: First Love Dianthus |
| Description: 2001 Plant Select®. Intensely fragrant flowers that change from pure white to deep rose from April to frost. Clump-forming with attractive mounds of foliage in winter. A real standout in our gardens all summer and fall. |
| Zone: 3 |
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DIANTHUS gratianopolitanus 'Feuerhexe'
(dy-ANN-thus) (grah-tee-ah-no-pol-it-TAY-nus) | DIANFE3 |
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| Common Name: Carnation |
| Description: 2006 PPA Plant Of The Year! Masses of brilliant raspberry-red, 1", upward facing flowers with a delicious, spicy clove fragrance covering silvery-blue mats of evergreen foliage in late spring/early summer. Often reblooms in early fall if deadheaded. Wonderful rock garden or border addition! |
| Zone: 4 |
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DIANTHUS gratianopolitanus 'Tiny Rubies'
(dy-ANN-thus) (grah-tee-ah-no-pol-it-TAY-nus) | DIANTR3 |
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| Common Name: Carnation |
| Description: Double, rose-pink flowers in spring; short, tufted mounds of blue-green foliage. |
| Zone: 3 |
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DIANTHUS plumarius 'Dad's Favourite'
(dy-ANN-thus)(ploo-MAR-ee-us) | DIANDF3 |
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| Common Name: Carnation |
| Description: Sweetly scented, semi-double, white flowers laced with maroon. Very old and highly prized variety. Brought back by popular demand! |
| Zone: 5 |
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DIANTHUS x allwoodii 'Frosty Fire'
(dy-ANN-thus) (all-WOOD-ee-eye) | DIANFF3 |
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| Common Name: Carnation |
| Description: Double, red flowers; blue-gray, dwarf foliage. Long flowering period. |
| Zone: 4 |
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DICENTRA eximia
(dy-SEN-trah) (eks-IH-mee-a) | DICEEX5 |
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| Common Name: Dwarf Bleeding Heart, Fern-leaf Bleeding Heart |
| Description: Lovely pink flowers; ferny, green foliage. |
| Zone: 3 |
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DICENTRA formosa 'King of Hearts'
(dy-SEN-trah) (for-MOE-sah) | DICEKH5 |
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| Common Name: Bleeding Heart |
| Description: Broad, rosy-pink flowers from May-August. Very floriferous. Slightly glaucous, gray-green foliage. Disease free cultivar. |
| Zone: 4 |
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DICENTRA formosa 'Luxuriant'
(dy-SEN-trah) (for-MOE-sah) | DICELU5 |
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| Common Name: Bleeding Heart |
| Description: RHS Award of Garden Merit. Choice, everblooming variety with cherry-red flowers; ferny, blue-green foliage. Available after 4/1. |
| Zone: 2 |
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DICENTRA spectabilis
(dy-SEN-trah) (spek-TAB-il-iss) | DICESP8 |
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| Common Name: Old Fashioned Bleeding Heart |
| Description: Favorite, with arching stems of large, pink hearts. Often summer dormant in hot climtates. |
| Zone: 4 |
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DICENTRA spectabilis 'Alba'
(dy-SEN-trah) (spek-TAB-il-iss) | DICESA8 |
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| Common Name: Bleeding Heart |
| Description: Lovely, rare, white form; elegant plants. |
| Zone: 4 |
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DICTAMNUS albus
(dik-TAM-nus) (AL-bus) | DICTAL3 |
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| Common Name: Gas Plant |
| Description: RHS Award of Garden Merit. Erect spikes of unique, white, aromatic flowers in June.
May cause skin irritation, especially in hot weather! Dictamnus is very slow growing; probably taking 18 months to 2 years to fill a 4" pot well. Do not expect to move up into a gallon & have them be consumer ready along with your Dianthus & Echinaceas! Dictamnus growers have to be very patient, but it's worth the wait. |
| Zone: 3 |
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DICTAMNUS albus 'Purpureus'
(dik-TAM-nus) (AL-bus) | DICTAP3 |
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| Common Name: Gas Plant |
| Description: RHS Award of Garden Merit. Dark veined, pink flowers. Long-lived perennial may be 'Burning Bush' of Moses.
May cause skin irritation, especially in hot weather! Dictamnus is very slow growing; probably taking 18 months to 2 years to fill a 4" pot well. Do not expect to move up into a gallon & have them be consumer ready along with your Dianthus & Echinaceas! Dictamnus growers have to be very patient, but it's worth the wait. |
| Zone: 3 |
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DIGITALIS grandiflora
(dij-ih-TAL-iss) (gran-di-FLOOR-ah) | DIGIGR3 |
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| Common Name: Foxglove |
| Description: RHS Award of Garden Merit. Large, bell-shaped, yellow flowers marked with brown in early summer. Perennial. |
| Zone: 4 |
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DIGITALIS thapsi (SPANISH PEAKS®)
(dij-ih-TAL-iss) (THAP-see) | DIGISP3 |
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| Common Name: Foxglove |
| Description: 1999 Plant Select®. Spikes of raspberry-rose flowers in early summer over trim mat of furry foliage. Perennial; thrives in a variety of sites and soils. |
| Zone: 4 |
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DIGITALIS x mertonensis
(dij-ih-TAL-iss) (mer-ton-EN-sis) | DIGIME3 |
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| Common Name: Strawberry Foxglove |
| Description: RHS Award of Garden Merit. Very large, raspberry flowers. Tetraploid perennial plants. |
| Zone: 4 |
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DODECATHEON 'Aphrodite' PP# 14,002
(do-de-KATH-ee-on) | DODEAP5 |
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| Common Name: Shooting Star |
| Description: Intense purple-pink flowers on robust plants in May-June. Propagation Prohibited. |
| Zone: 4 |
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DODECATHEON meadia 'Album'
(do-de-KATH-ee-on) (MEE-dee-a) | DODEAL5 |
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| Common Name: Shooting Star |
| Description: RHS Award of Garden Merit. Delicate umbels of lovely, white flowers rise from flat rosettes of foliage. Likes rich, moist soil. Usually has flowered and is dormant by May 1st! |
| Zone: 3 |
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DRABA aizoides
(DRAH-ba) (ay-ZOY-deez) | DRABAI3 |
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| Description: Exciting little addition to the miniature garden. Green cushions topped off with hot yellow flowers in early spring. Needs well-drained soil. |
| Zone: 3 |
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DRACOCEPHALUM argunense 'Fuji Blue'
(dra-ko-SEF-a-lum) (ar-gun-ENSE) | DRACFB3 |
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| Common Name: Dragonhead |
| Description: Spikes of brilliant blue flowers early June to mid-August. Needle-like, leathery, green foliage forms compact, durable clumps; long-lived perennial. |
| Zone: 4 |
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DRACOCEPHALUM ruyschiana
(dra-ko-SEF-a-lum) | DRACRU3 |
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| Common Name: Northern Dragonhead |
| Description: Fragrant, hooded blue flowers on this low-growing perennial from the mint family. Blooms from July-August; plant in sun to part shade.
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| Zone: 3 |
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ECHINACEA angustifolia
(eh-kih-NAY-shah) (an-gus-tih-FOE-lee-ah) | ECHIAN3 |
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| Common Name: Blacksamson Echinacea |
| Description: Pink to creamy-white flowers with drooping petals July-August. Native to the central U.S. Angustifolia is used interchangeably with pallida by some plantsmen. Our seed is angustifolia collected in South Dakota. |
| Zone: 3 |
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ECHINACEA 'Cheyenne Spirit'
(eh-kih-NAY-shah) | ECHICS3 |
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| Common Name: Coneflower |
| Description: 2013 AAS Winner. This stunning, first-year flowering echinacea produces an attractive range of flower colors from rich purple, pink, red and orange tones to light yellow, cream, and white. This compact and durable plant can withstand the elements, is maintenance free, and fairly drought tolerant. |
| Zone: 4 |
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ECHINACEA 'Evan Saul' PP# 17,659 Sundown
(eh-kih-NAY-shah) | ECHISD5 |
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| Common Name: Big Sky TM Series |
| Description: Another exciting coneflower in the Itsaul series with fragrant, orange flowers on tall, sturdy stems. Great 'back of the border' plant. Very prolific rebloomer. Propagation Prohibited. |
| Zone: 5 |
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