Synonym:  A. borealis (Torrey and A. Gray)

              

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Perennials.  Colony-forming from long, thin rhizomes.  Typical height is from 2 to 3 feet.

Flower heads are radiate, relatively few in number, located mainly at tips of branches.  Rays are typically pale blue-violet to nearly white.  Disc floret corollas are yellow, turning reddish with age.  Involucral bracts are mostly appressed; the outermost may spread slightly.  Dark green zones are oblanceolate.

Basal and lower stem leaves are often absent at flowering.  Mid- to upper stem leaves and branch leaves tend to point upwards, are narrow (linear to lance-linear), somewhat stiff, the margins often slightly curled toward the lower leaf surface.

Plants of fens, bogs, marshes or wet meadows, often on calcareous or circumneutral soils.  Flowers late August to mid-September.  Native.

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Though morphologically unique among aster species in central New York, Symphyotrichum boreale can be confused elsewhere in the Northeast with Symphyotrichum novi-belgii var. elodes, where the latter is also present.
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