Oblongifolius, Aster Seed
Oblongifolius Aster Seed
- Lavender daisies provide essential late-season pollinator nectar
- Aromatic foliage releases fragrance when gently brushed
- Native mounds tolerate drought and rocky lean soils
- Dense fall bloom brightens prairie-style borders
Key Attributes
About Oblongifolius, Aster Seed, Aster Seed
Aromatic Aster, also known as Aster oblongifolius or Symphyotrichum oblongifolium, is a hardy native perennial with a dense, bushy habit. Abundant lavender-purple flowers with yellow centers bloom in autumn, providing valuable late-season nectar for pollinators. The foliage releases a pleasant fragrance when brushed. Well suited to borders and native plantings, this compact aster thrives in full sun and well-drained soil and becomes drought tolerant once established.
Growing details
Plant profile
Seed & variety
Before Planting
Planting
Watering
Fertilizer
Harvesting
Tips
Pests & Diseases
Powdery mildew, Botrytis blight, rust, Verticillium wilt, and aster yellows are important aster diseases. Watch for white coating, gray mold, orange pustules, wilting, or yellow distorted flower growth. Space plants well, water at the base, remove infected debris, rotate planting areas, and promptly discard plants showing aster-yellows symptoms.
Aster leafhoppers can transmit incurable aster yellows; lace bugs stipple leaves, while aphids, thrips, and spider mites attack shoots and flowers. Remove plants with green, distorted blooms, manage nearby weeds, and inspect leaf undersides. Avoid spraying flowers visited by late-season pollinators.
Native States & Regions
- Alabama
- Arkansas
- Colorado
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Maryland
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- New Mexico
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Pennsylvania
- South Dakota
- Tennessee
- Texas
- Virginia
- West Virginia
- Wisconsin
- Wyoming
Native regions: Appalachia, Midwest, Plains, South Central
Its Role in the Native Ecosystem
Aromatic Aster extends pollen and nectar availability into late summer and fall, when many earlier flowers have finished. Its dense, low growth adds cover, while asters also support specialist native bees. Leaving some stems standing carries part of its habitat value into the next season.
Oblongifolius Aster Native Range Map
Native range describes natural occurrence, not the origin of this seed lot or every location where a plant can be grown.
Alaska and Hawaii are shown as insets. State-level range does not mean a plant occurs throughout every part of that state.
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