← Back to Plant Finder

Aromatic Aster
Symphyotrichum oblongifolium

a.k.a. Aster oblongifolius

Aromatic Aster is one of the last flowers to bloom in fall. It spreads via underground rhizomes and prefers sun and dry soils.

USDA symbol: SYOB

General Information

Plant TypeForb
Height1 to 2 feet
Light ExposureSun, Part Sun
Soil MoistureDry, Medium
Bloom ColorPurple
Aromatic Aster (Aromatic Aster<div><em class="small">Symphyotrichum oblongifolium</em></div>)
Photo credit: Metro Blooms (Click to enlarge)


Flooding / Inundation ToleranceLow
General Resilience7
Salt ToleranceLow
Stress ToleranceAlkaline Conditions, Drought Tolerant, Fire Tolerant, General Disturbance

Pollinator Value: High

Bloom MonthsAugust to October
Larval Host ofBees, Moths
Specific Pollinators HostedNumerous bee species, Schinia septentrionalis
Pollinator BenefitInsect Pollinated, Provides Nectar, Stem Nesting, Supports Generalists

Project Planning

Project TypeBoulevard, Rain Garden, Shoreline Buffer
Coefficient of Conservatism7
Herbivore SensitivityLow
Rate of SpreadSlow
Soil StabilizationShallow
Vegetative ReproductionClonal


CountyBig Stone, Blue Earth, Carver, Chippewa, Clay, Cottonwood, Dakota, Douglas, Fillmore, Goodhue, Hennepin, Houston, Jackson, Kandiyohi, Lac qui Parle, Le Sueur, Lincoln, Lyon, Murray, Nobles, Olmsted, Otter Tail, Pipestone, Polk, Pope, Ramsey, Redwood, Rock, Sibley, Stevens, Swift, Traverse, Wabasha, Washington, Winona
EcoregionDriftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Western Cornbelt Plains
Approximate Eco ProvinceEastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands