Big Leaf Aster
Aster Macrophyllus
Overview
Big Leaf Aster (Aster macrophyllus) is a North American native perennial, thriving in USDA zones 3-8. With heart-shaped leaves up to 8 inches wide, this woodland aster features lavender-blue flowers spanning 1-2 inches across, blooming late summer to fall. It prefers partial shade, growing 1-3 feet tall with a similar spread, offering a groundcover option and autumn interest. Attracts butterflies and supports pollinators in naturalistic or woodland garden settings.

Culture
- Sun
- Half, Shade
- Water
- High, Medium
- USDA zones
- 3–8
Shape & size
- Mature height
- 1–3 Ft.
- Mature width
- 2–3 Ft.
Classification
- Family
- Asteraceae
- Climate
- Temperate
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