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California Aster

Symphyotrichum chilense

California Aster is noted for its profusion of daisy-like, lavender-blue flowers that bloom from late summer into fall. This species forms a bushy mound of narrow, dark green leaves, which become densely covered with starry blooms, offering vital late-season nectar for a variety of pollinators. Adaptable and easy to grow, California Aster excels in coastal settings where it can tolerate salt spray and sandy soils, making it an ideal choice for seaside gardens or naturalized areas.

Details

Height12” - 36”
Spread24"
Bloom SeasonMay – November
Soil Types
clayClay
loamLoam
Soil Moisture
dryDry
mediumMedium
Sun Exposure
partSunPart Sun
fullSunFull Sun

Range Map

Native
No current
record

Ecological Benefits

Maintenance Tips

  • Prune lightly in early spring to shape and promote denser growth.
  • Divide every few years in early spring to maintain health and manage spread.
  • Allow seedlings to naturalize in informal garden areas or remove to maintain neatness in more structured settings.

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A monarch butterfly feeding on an aster

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