Aster oblongifolius (Aromatic Aster) is also known as Symphyotrichum oblongifolium. Our shortest aster, Aster oblongifolius grows in clumps to a height of 2.8 ft. When crushed, the leaves of this perennial native aster give off a lemony-citrus scent. Aromatic Aster has the longest bloom window of our asters, the first of its blue/purple blossoms appearing in mid-August and the last in late October or the first week of November. The seeds of Aster oblongifolius have a pappus (parachute) that aids in wind dispersal of the seeds. Aromatic Aster typically grows in mesic to well-drained soils in full to partial sun. Short stature, compact growth habit, drought tolerance, long-bloom period, and deer resistance make Aromatic Aster an excellent addition to pollinator-friendly mesic to dry upland meadow mix. Aster oblongifolius is particularly appropriate for residential meadows where strong sight lines are important. Aster oblongifolius is pollinated by bees in the genera Adrena, Agapostemon, Augochlora, Colletes, Halictus, Megachile, Melissodes, and others. Aromatic Aster is a member of the aster (Asteraceaae) family.

Map Key

Present in state
Present and native in county; not rare
Present and native in county; rare
State or county listed as noxious
Present but introduced in county
Not present in state
Species extirpated (historic)
Present in state; exotic

This map shows the native and introduced (adventive) range of this species. Given appropriate habitat and climate, native plants can be grown outside their range.

Indicator Regions
Northcentral & Northeast:
NI
Midwest
NI
Eastern Mountains and Piedmont:
NI
Atlantic and Gulf Coastal Plain
NI
Aromatic Aster, PA Ecotype Planting Information

Planting details can vary based on your region, site conditions, and seed mix. For best results, we recommend reviewing our detailed planting guides. These guides include region-specific timing, site preparation, seeding methods, and tips for establishing native species successfully.

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Details
Species
Aromatic Aster, PA Ecotype
Species Type
Native
Habitat
Dry open places, calcareous hillsides, cliffs, bluffs.
Life Cycle
Perennial
Bloom Period
Summer/Fall
Typical Height
2.80000
pH
0.00000
-
0.00000
Flower Color
Blue, Purple
Pollinator Value
Very High
Approx. seeds per lb
816000
Seeding rate per acre in a mix
Up to 0.4 lb
Truax Seedbox
Fine
Tolerances
Shade
Moderate