ASARUM canadense
(a-SAR-um) (kan-a-DENSE) | ASARCA5 |
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| Common Name: Wild Ginger |
| Description: Woodland native with heart-shaped leaves that requires humus soil. Insignificant, brownish-red flowers near the soil surface; aromatic root. |
| Zone: 3 |
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ASARUM splendens
(a-SAR-um) (SPLEN-dens) | ASARSP5 |
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| Common Name: Asian, Chinese Wild Ginger |
| Description: Large, green, broad, arrow-shaped leaves with silver marbling; vigorous and easy to grow. |
| Zone: 6 |
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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 '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) | ASTEAE1 |
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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) | 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 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-belgii 'Professor Anton Kippenberg'
(ASS-ter) (no-vee-bel-GEE-eye) | ASTEPK3 |
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| Common Name: |
| Description: Bright, clear blue flowers on this fall blooming dwarf. |
| Zone: 3 |
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ASTER oblongifolius
(ASS-ter) (ob-long-ee-FO-lee-us) | ASTEOB3 |
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| Common Name: |
| Description: Clear and crisp, narrow leaves covered with 1", sky blue flowers September-October. Native of the Plains. |
| Zone: 3 |
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ASTER oblongifolius 'October Skies'
(ASS-ter) (ob-long-ee-FO-lee-us) | ASTEOS3 |
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| Common Name: |
| Description: Sky blue flowers September-October. |
| Zone: 4 |
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ASTER oblongifolius 'Raydon's Favorite'
(ASS-ter) | ASTERF3 |
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| Common Name: Aster |
| Description: This aster is one of the most aromatic and reliable of the native asters with striking violet-blue, daisy-like flowers on mounding foliage in mid-late fall. |
| Zone: 3 |
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ASTER x dumosus 'Wood's Blue'
(ASS-ter) (doo-MO-sus) | ASTEWB1 |
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| Common Name: Bushy Aster |
| Description: Lavender-blue flowers for 4-6 weeks from late summer through early fall. Clean, compact, mildew and rust resistant, dark green foliage; attractive all season. Excellent in containers. |
| Zone: 3 |
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ASTER x dumosus 'Wood's Blue'
(ASS-ter) (doo-MO-sus) | ASTEWB3 |
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| Common Name: Bushy Aster |
| Description: Lavender-blue flowers for 4-6 weeks from late summer through early fall. Clean, compact, mildew and rust resistant, dark green foliage attractive all season. Excellent in containers. |
| Zone: 3 |
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ASTER x dumosus 'Wood's Pink'
(ASS-ter) (doo-MO-sus) | ASTEWP3 |
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| Common Name: |
| Description: Clear pink, yellow centered flowers late summer-early fall. Foliage and plant habit is the same as 'Wood's Blue'. |
| Zone: 3 |
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ASTER x dumosus 'Wood's Purple'
(ASS-ter) (doo-MO-sus) | ASTEWO3 |
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| Common Name: |
| Description: Light purple flowers; same plant characteristics as other 'Wood's Asters'. |
| Zone: 3 |
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