Aromatic Aster (Aster oblongifolius)

Aromatic Aster (Aster oblongifolius) is a bushy native perennial with hairy stems and blue-green, lance-shaped foliage. Abundant clusters of small, soft violet-blue flowers with yellow centers bloom from late summer to mid-fall.

Native to eastern and central North America, including the Southeast, it brings late-season color to sunny borders and naturalized plantings.

Growing details

• Plant type: Perennial
• Origin: Eastern and central North America, including the Southeast
• Mature size: 1–3 feet tall and wide
• Spacing: Approximately 2 feet apart
• Hardiness: USDA zones 3–8
• Light: Full sun
• Soil: Dry to medium-moisture, well-drained soil
• Flowers: Soft violet-blue blooms with yellow centers
• Bloom season: Late summer to mid-fall
• Foliage: Blue-green, lance-shaped leaves

Care and garden use

Provide good drainage and watch for powdery mildew. Cut back flower stalks after flowering to prevent self-seeding where it is unwanted.

Use as an accent or in grouped plantings, sunny borders, wildlife gardens, naturalized areas, or containers with room for its mature size. Pair with salvia, dianthus, or phlox for contrasting flowers and textures.

Image credit: Prides Corner, Aster oblongifolium. Plants naturally vary in appearance and may differ from the images shown.