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 frigida
(ar-ti-MEEZ-ee-a) (FRI-gi-da) | ARTEFR3 |
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| Common Name: Wormwood, Fringed Sage |
| Description: RHS Award of Garden Merit. Silver-gray, soft foliage with graceful, arching stems. Cut back after flowering. Western U.S. native. |
| Zone: 3 |
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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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ARTEMISIA 'Powis Castle'
(ar-ti-MEEZ-ee-a) | ARTEPC3 |
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| Common Name: Wormwood |
| Description: RHS Award of Garden Merit. Dense mounds of lacy, silver foliage; this outstanding, shrubby hybrid does not flower. Does well in the deep South as it is more tolerant of hot, humid weather. |
| Zone: 5 |
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ARTEMISIA schmidtiana 'Silver Mound'
(ar-ti-MEEZ-ee-a) (shmit-ee-AY-nah) | ARTESM5 |
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| Common Name: Wormwood |
| Description: Neat, ferny, silver foliage on this compact, mounded plant. Excellent for the rock garden or edging. |
| Zone: 3 |
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ARTEMISIA schmidtiana 'Silver Mound'
(ar-ti-MEEZ-ee-a) (shmit-ee-AY-nah) | ARTESM3 |
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| Common Name: Wormwood |
| Description: Neat, ferny, silver foliage on this compact, mounded plant. Excellent for the rock garden or edging. |
| Zone: 3 |
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ARTEMISIA stell. 'Silver Brocade'
(ar-tih-MEEZ-ee-a)(stell-er-ee-AH-nah) | ARTESB5 |
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| Common Name: Wormwood |
| Description: Release from the Univ. of BC Botanical Garden. Intense silver foliaged, dense, ground-hugging mat; may be sheared back. Exceptional |
| Zone: 3 |
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ARTEMISIA stelleriana 'Silver Brocade'
(ar-ti-MEEZ-ee-a) (stell-er-ee-AH-nah) | ARTESB3 |
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| Common Name: Wormwood |
| Description: Release from U of BC Botanical Garden. Intense silver foliage, dense, ground-hugging mat; may be sheared back. Exceptional! |
| Zone: 3 |
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ARTEMISIA versicolor 'Sea Foam'
(ar-ti-MEEZ-ee-a) (VER-see-kuh-lor) | ARTESE5 |
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| Common Name: Wormwood |
| Description: 2004 Plant Select®. Finely filigreed, silver-gray foliage that gives a frothy appearance on a woody-stemmed plant. Much sturdier than 'Silver Mound'. |
| 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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ASPARAGUS densiflorus 'Myersii'
(ah-SPARE-ah-gus) (dens-ih-FLOOR-us) | ASPAMY3 |
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| Common Name: Foxtail Fern |
| Description: RHS Award of Garden Merit. The choicest Asparagus Fern; strong, base branching, erect and arching, plumed fronds that are densely covered with clusters of needle-like, green foliage. |
| Zone: 9 |
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ASPARAGUS sprengeri
(ah-SPARE-ah-gus) (SPRENG-er-eye) | ASPASP3 |
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| Common Name: Emerald Fern |
| Description: Long stems of fine foliage; small, white-pinkish flowers in summer. Great companion plant for baskets and containers indoors and out. |
| Zone: 9 |
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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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