Perennial flower
Aromatic Aster plant profile
Symphyotrichum oblongifolium
A perennial flower for full sun.
Last updated .
When to plant
When to plant Aromatic Aster
A dense, mounding native perennial for full sun and well-drained soil, propagated by its wind-dispersed seed. Its small purple flowers bloom from late summer until first frost; leave the dead, hollow stems standing over winter for stem-nesting native bees.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Aromatic Aster in my garden calendarThis uses the published planting season. It is not adjusted to local frost dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Spacing
- 12 to 36 in apart
- Hardiness
- Zones 3a to 8bFind my hardiness zone
Next steps
Continue with Aromatic Aster
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Symphyotrichum oblongifolium (Aromatic Aster, Eastern Aromatic Aster)
NC State Extension Gardener Plant Toolbox. Supports general reference. Checked 2026-06-18.