
Aster novae-angliae 'Purple Dome' is a compact mounding cultivar of New England Aster that delivers masses of deep purple blooms in early fall. Unlike its taller wild counterpart, ‘Purple Dome’ stays neatly rounded and manageable.
Height & Spread: 18 - 24 in x 18 - 24 in
Bloom Time: September to October
Light Requirements: Full sun to light shade
Soil Preference: Medium to moist; tolerates clay and loam
Watering Needs: Moderate; prefers consistent moisture but tolerates brief drought
Deer Resistance: Moderate; deer tend to avoid but may occasionally nibble
NATIVE STATUS
Cultivar derived from the North American native Aster novae-angliae, commonly found in eastern and central regions. While selected for garden performance, it retains much of the ecological value of the species.
WILDLIFE & INSECTS
Butterflies
- Attracts Monarchs, Painted Ladies, and other fall butterflies seeking nectar during migration.
Bees
- Loved by native bees, including bumblebees and sweat bees, for its late season nectar supply.
Other Insects
- Hosts beneficial insects like hoverflies and beetles, while offering shelter for small invertebrates preparing to overwinter.
SPACING & LANDSCAPE USE
Spacing Recommendations
- Space 18 - 24 in apart to allow for mounding habit and airflow.
Landscape Placement
- Excellent in front-of-border plantings, butterfly gardens, native inspired foundation beds, and small space gardens. Also suitable for containers or as a seasonal massing plant in meadow borders.
COMPANION PLANTS
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Heuchera villosa (Hairy Alumroot) - Adds bold foliage texture and thrives in similar light and soil conditions.
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Coreopsis verticillata (Threadleaf Coreopsis) - Offers soft texture and summer color before the aster blooms.
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Schizachyrium scoparium (Little Bluestem) - A compact native grass with great fall color to complement the aster’s purple tones.
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Allium cernuum (Nodding Onion) - Summer blooming native with attractive nodding flowers and vertical accents.
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Solidago caesia (Blue-stemmed Goldenrod) - A shade tolerant goldenrod that pairs well with asters in dappled sites.