Calico Aster, Horizontal Aster

Calico Aster, Horizontal Aster

Symphyotrichum lateriflorum 'Lady in Black'

This mounding perennial bears white flowers in fall.

  • White flowers are produced in fall, providing colour through the bloom season.
  • Mounding clump, reaching 90 cm at maturity; divide every three to four years to maintain vigour.
  • Best in full sun to partial shade to full shade with average, dry, well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Well-drained, Dry, Average
Drought Tolerant
✓
Hardiness Zone
5 – 5
Mature Height (meters)
0.6 – 0.9
Mature Spread (meters)
0.5 – 0.6
Growth Rate
Medium
Flower Colour
White
Foliage Colour
Purple
Bloom Time
Fall
Habit
Mounding
Pollinator Friendly
✓
Attracts Birds
✓
Landscape Uses
Border, Accent, Mass planting
Growing & Maintenance Tips
Grows best in full sun, tolerating many soil types and considered quite drought tolerant. Although it stands up well in the garden, it is advisable to prune  1/3 of the top growth in early summer. This will encourage new foliage and produce numerous tiny blooms per plant.
Notes
The botanical name for Calico Aster, Horizontal Aster has been updated from Aster lateriflorus 'Lady in Black' to Symphyotrichum lateriflorum 'Lady in Black'.

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