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White Heath Aster, Frost Aster, Hairy Aster

Symphyotrichum pilosum (Willd.) Nesom

(formerly Aster pilosus Willd.)

Asteraceae (Aster Family)

 

▲ ▼ young plants emerging from perennial roots in spring 

 

▲ ▼  mature plants

 

▲ ▼  flowers

 

 

▲ ▼ closer view of  long, tapered bracts below inflorescences 

 

White Heath Aster, Heath Aster:

         simple perennial, native weed in the Aster family (Asteraceae)

         produces numerous small, white daisy-like flowers in mid-late autumn

         has narrow leaves, almost needle-like around flowers; flower heads have 15-35 petals, and bracts below inflorescence taper to long point that is not particularly thickened

         similar heath aster (Symphyotrichum ericoides) has slightly broader petals, fewer petals per inflorescence (8-20) and the bracts below the inflorescence end in a short, thickened point

         similar bushy aster (Symphyotrichum dumosum) has very tiny, scale-like leaves on stems so that the stems almost appear leafless, and the flower petals are pinkish

         similar to eastern daisy fleabane, or common fleabane except white heath aster has more linear to needle-like leaves on flowering branches and flowers on white heath aster have fewer petals and the center yellow disk is smaller and more globe-shaped

         reproduces readily by seed

         found in fields, pastures, roadsides

         Control:

o   grazing, cutting and mowing somewhat effective (can adapt and bloom under very short cutting height), tilling

o   chemical control mostly by postemergent herbicides applied before flowering begins

 

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