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The Plant Guide

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October skies aster

Aster oblongifolius 'October Skies'

ASS-ter ob-lon-jih-FOE-lee-us

‘October Skies’ is a dwarf aster that is low to the ground and mounding. It flowers in the fall when most other plants have finished for the season, covering itself with hundreds of dark sky-blue flowers.

PropagationSow seeds in a cold frame in spring or autumn.  Divide or separate runners, preferably in spring, otherwise in autumn. Replant only vigorous, young shoots.

ProblemsVerticillium wilt, gray mold, powdery mildew, rusts, white smut, aster yellows, and many fungal leaf spots and stem cankers are common. Prone to rosy blister gall, aphids, tarsonemid mites, slugs, snails, and nematodes.

  • Genus : Aster
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8
  • Uses : Containers
  • Tolerance : Deer Tolerant, Frost Tolerant
  • Moisture : Dry to Medium
  • Bloom Time : Fall
  • Plant Seasonal Interest : Fall Interest
  • Characteristics : Fragrant Foliage
  • Light : Full Sun to Partial Shade
  • Maintenance : Low
  • Growth Rate : Moderate
  • Plant Type : Perennials
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