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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ASTER 'Alert'
(ASS-ter) | ASTEAE1 |
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| 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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| 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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| 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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| 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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| 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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| 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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| 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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ASTER x frikartii 'Wunder von Stafa'
(ASS-ter) (frih-KART-ee-eye) | ASTEFW3 |
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| Common Name: |
| Description: RHS Award of Garden Merit. Large, violet-blue flowers with large, gold centers from June til frost. |
| Zone: 4 |
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ASTILBE chinensis 'Pumila'
(as-TIL-bee) (chin-EN-sis) | ASTICP3 |
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| Common Name: Spirea |
| Description: RHS Award of Garden Merit. Masses of lavender-pink plumes in July-August. Outstanding, late summer color; fine ground cover for shade. Tolerant of dry soils. Only Astilbe available in smaller pots for inexpensive mass plantings. Great plant, underused. |
| Zone: 4 |
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ASTILBE chinensis 'Pumila'
(as-TIL-bee) (chin-EN-sis) | ASTICP5 |
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| Common Name: Spirea |
| Description: RHS Award of Garden Merit. Masses of lavender-pink plumes in July-August. Outstanding, late summer color; fine ground cover for shade. Tolerant of dry soils. Only Astilbe available in smaller pots for inexpensive mass plantings. Great plant, underused. |
| Zone: 4 |
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ASTILBE chinensis 'Visions in Red' PP# 11,965
(as-TIL-bee) (chin-EN-sis) | ASTIVR8 |
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| Common Name: Spriea |
| Description: Deep red buds open to pinky-red flowers in July. Bronze-green foliage. Propagation Prohibited. |
| Zone: 3 |
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ASTILBE chinensis 'Visions'PBR
(as-TIL-bee) (chin-EN-sis) | ASTIVS8 |
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| Common Name: Spirea |
| Description: Lilac-purple flowers; bronze-green foliage. Compact plants, mid-season. |
| Zone: 4 |
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ASTILBE x arendsii 'Fanal'
(as-TIL-bee) (ah-RENDZ-ee-eye) | ASTIFA5 |
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| Common Name: Spirea |
| Description: RHS Award of Garden Merit. Full, narrow, dark red plumes. Dark green foliage turns bronze in fall. |
| Zone: 4 |
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ASTILBE x japonica 'Deutschland'
(as-TIL-bee) (ja-PON-ih-ka) | ASTIDE5 |
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| Common Name: Spirea |
| Description: Creamy-white, compact plumes; vigorous, early. Good forcing choice. |
| Zone: 4 |
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AURINIA saxatilis
(ow-RIN-ee-a) (saks-AH-tih-lis) | AURISA3 |
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| Common Name: Basket of Gold, Gold Dust |
| Description: RHS Award of Garden Merit. Clusters of brilliant yellow flowers in early spring; gray-green foliage mat. |
| Zone: 4 |
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BAPTISIA australis
(bap-TEE-zsah) (oss-TRAL-iss) | BAPTAU3 |
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| Common Name: False Indigo, Blue Indigo |
| Description: 2010 PPA Plant of the Year! RHS Award of Garden Merit. Showy racemes of pea-shaped, indigo-blue flowers mid-late spring. Upright, shrub-like plants. Showy, 2-3", black seed pods for dried arrangements. |
| Zone: 4 |
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