AQUILEGIA flabellata 'Ministar' (ak-will-EE-zsah) (flay-bel-LAH-ta) | AQUIMS3 |
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| Common Name: Fan Columbine |
| Description: Bright blue with white corolla. Outstanding! Best selling dwarf. |
| Zone: 3 |
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AQUILEGIA vulgaris 'Leprechaun Gold' (ak-will-EE-zsah) (vul-GARE-iss) | AQUILG3 |
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| Common Name: Columbine |
| Description: Large, violet flowers; striking golden and green, marbled foliage. Best variegated selection! |
| Zone: 3 |
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AQUILEGIA vulgaris 'Nora Barlow' (ak-will-EE-zsah) (vul-GARE-iss) | AQUINB3 |
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| Common Name: Columbine |
| Description: RHS Award of Garden Merit. Unique, fully double flowers in a delightful combination of red, pink, and green. |
| Zone: 3 |
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ARMERIA alliacea x maritima 'Bee's Ruby' (ar-MER-ee-a)(al-lee-AY-see-uh) | ARMEBR3 |
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| Common Name: Thrift, Sea Pink |
| Description: Large, deep pink flowers; bloom stalks reach 15". Back by popular demand! |
| Zone: 4 |
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ARMERIA maritima 'Rubrifolia' (ar-MER-ee-a) (ma-RIH-tih-ma) | ARMEMR3 |
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| Common Name: Red-leaved Thrift |
| Description: Fine, shiny reddish-purple foliage with deep pink inflorescence. For well-drained rock garden. |
| Zone: 4 |
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ARTEMISIA ludoviciana 'Silver King' (ar-ti-MEEZ-ee-a) (loo-doe-viss-see-AY-nah) | ARTESK3 |
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| Common Name: Wormwood |
| Description: A prized variety; striking, white-leaved, erect, contrast plant. Superb cut and dried. |
| Zone: 4 |
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ARTEMISIA ludoviciana 'Valerie Finnis' (ar-ti-MEEZ-ee-a) (loo-doe-viss-see-AY-nah) | ARTEVF3 |
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| Common Name: Wormwood |
| Description: RHS Award of Garden Merit. Showy, wide, white, jagged leaves that look like felt. |
| Zone: 4 |
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ARUNCUS aethusifolius (ah-RUN-kus) (e-thus-ih-FO-lee-us) | ARUNAE3 |
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| Common Name: Dwarf Goatsbeard |
| Description: RHS Award of Garden Merit. Creamy-white flowers in mid-summer; fine, ferny foliage. |
| Zone: 4 |
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ARUNCUS dioicus 'Child of Two Worlds' (ah-RUN-kus) (dy-oh-EYE-kus) | ARUNDI3 |
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| Common Name: Goatsbeard |
| Description: Showy panicles of white flowers in early summer. Dramatic background plant with feathery foliage. |
| Zone: 5 |
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ARUNCUS dioicus 'Kneiffii' (ah-RUN-kus) (dy-oh-EYE-kus) | ARUNKN5 |
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| Common Name: Goatsbeard |
| Description: Creamy-white flowers. Finely cut foliage looks like a giant fern. Exciting selection. |
| Zone: 5 |
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ASCLEPIAS curassavica (as-KLAY-pee-us) (kur-ah-SAV-ih-ka) | ASCLCU3 |
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| Common Name: Bloodflower |
| Description: Umbels of vivid orange-red flowers on tropical sub-shrub. Excellent cut. |
| Zone: 9 |
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ASCLEPIAS curassavica 'Silky Gold' (as-KLAY-pee-s) (kur-ah-SAV-ih-ka) | ASCLSG3 |
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| Common Name: |
| Description: Soft golden-yellow umbels; strong-stemmed plants. Everblooming butterfly attraction. |
| Zone: 9 |
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ASCLEPIAS incarnata (as-KLAY-pee-us) (in-kar-NAH-ta) | ASCLIN3 |
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| Common Name: Swamp Milkweed |
| Description: Native with dusty pink flowers in summer. |
| Zone: 5 |
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ASCLEPIAS incarnata 'Cinderella' (as-KLAY-pee-us) (in-kar-NAH-ta) | ASCLCI3 |
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| Common Name: Silkweed, Milkweed |
| Description: Dense clusters of sweetly scented, dark rosy-pink flowers from early summer through fall. Erect branches. Excellent dried. |
| Zone: 3 |
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ASCLEPIAS incarnata 'Ice Ballet' (as-KLAY-pee-us) (in-kar-NAH-ta) | ASCLIB3 |
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| Common Name: Silkweed, Milkweed |
| Description: Long lasting, white flowers. |
| Zone: 5 |
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ASCLEPIAS speciosa (as-KLAY-pee-us) (spee-see-OH-sah) | ASCLSP3 |
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| Common Name: Silkweed, Milkweed |
| Description: Bell-shaped umbels of purple-pink flowers throughout the summer make this an outstanding garden attraction. Large, slightly hairy foliage. |
| Zone: 4 |
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ASCLEPIAS tuberosa (as-KLAY-pee-us) (too-ber-OH-sah) | ASCLTU3 |
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| Common Name: Butterly Milkweed |
| Description: 2000 GreatPlantsTM Perennial of the Year. Showy, orange flower heads on this outstanding wildflower. Tough, durable plant once established; well worth the effort. Extreme care must be taken not to overwater in young or dormant stages. |
| Zone: 5 |
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ASCLEPIAS tuberosa (as-KLAY-pee-us)(too-ber-OH-sah) | ASCLTU5 |
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| Common Name: Butterfly Milkweed |
| Description: 2017 PPA Plant of the Year! 2000 GreatPlaints™ Perennial of the Year! Showy, orange flower heads on this outstanding wildflower. Tough, durable plant once established; well worth the effort. Extreme care must be taken not to overwater in young or dormant stages |
| Zone: 5 |
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ASCLEPIAS tuberosa 'Hello Yellow' (as-KLAY-pee-us) (too-ber-OH-sah) | ASCLHY3 |
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| Common Name: Silkweed, Milkweed |
| Description: Showy, bright yellow flowers from June-August. Attractive perennial for borders and cutting. Best in warm, dry, or well-drained sites. |
| Zone: 4 |
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ASTER 'Alert' (ASS-ter) | ASTEAE3 |
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| Common Name: |
| Description: Deep crimson-red flowers in late summer-fall. The best short red. |
| Zone: 3 |
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ASTER 'Alert' (ASS-ter) | ASTEAE5 |
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| Common Name: |
| Description: Deep crimson-red flowers in late summer-fall. The best short red. |
| Zone: 3 |
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ASTER alpinus 'Happy End' (ASS-ter) (al-PINE-us) | ASTEHE3 |
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| Common Name: |
| Description: Pure rose flowers in spring; compact plants. |
| Zone: 4 |
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ASTER ericoides 'Snow Flurry' (ASS-ter) | ASTEES3 |
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| Common Name: White Heath Aster |
| Description: This aster is the prostrate form of the species and is covered with white, star-shaped flowers and at its peak the whole plant looks like a snowbank. Great plant for the rock garden or front of the perennial bed. Blooms August-September |
| Zone: 5 |
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ASTER fendleri 'My Antonia' (ASS-ter) (FEND-ler-eye) | ASTEMY3 |
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| Common Name: |
| Description: 1999 GreatPlantsTM. Pure white flowers with yellow centers from summer through fall on plants with glossy, dark green leaves. |
| Zone: 4 |
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ASTER laevis 'Bluebird' (ASS-ter) (LAY-vis) | ASTEBB3 |
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| Common Name: |
| Description: Large, cone-shaped clusters of single, violet-blue flowers with golden centers, 1" or more across on top half of vase-shaped clump; fall bloomer. Perfectly clean foliage. Tolerant of a wide range of moisture levels and soil types; does not require staking in full sun. Introduction from Mt. Cuba Center. |
| Zone: 4 |
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ASTER lateriflorus 'Lady in Black' (ASS-ter) (lat-er-ih-FLOOR-us) | ASTELD3 |
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| Common Name: |
| Description: Small, white flowers in fall over tiny, black-purple, branched foliage. Dutch selection. |
| Zone: 5 |
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ASTER novae-angliae (ASS-ter) (no-vay-AN-glee-ay) | ASTENA3 |
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| Common Name: New England Aster |
| Description: Showy display of violet-pink flowers late August til frost. Great in the fall garden. |
| Zone: 3 |
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ASTER novae-angliae 'Andenken an Alma Potschke' (ASS-ter) (no-vay-AN-glee-ay) | ASTEAP3 |
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| Common Name: |
| Description: Masses of large, glowing, neon rose-pink flowers make a spectacular display in fall. Very hardy plants. |
| Zone: 3 |
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ASTER novae-angliae 'Purple Dome' (ASS-ter) (no-vay-AN-glee-ay) | ASTEPD3 |
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| Common Name: |
| Description: Royal purple flowers with greenish-gold centers. Compact, disease resistant plants. Highly acclaimed variety, always a hit in the fall gardens! |
| Zone: 3 |
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ASTER novi-b. 'Professor Anton Kippenberg' (ASS-ter)(no-vee-bel-GEE-eye) | ASTEPK5 |
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| Common Name: |
| Description: Bright, clear blue flowers on this fall bloominig dwarf. |
| Zone: 3 |
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