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Aster oolentangiensis

Also called Azure Aster


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More About Aster oolentangiensis

  • AKA Aster azureus or Symphyotrichum oolentangiense
  • Flowers are made up of petals in varying shades of blue surrounding a yellow eye
  • Naturally found in Southern Ontario in dry meadows, edges and open woods
  • Bloom Time: Summer to fall
  • Flower Size: 2.5 cm

Interesting Notes:

Native to Ontario

Zone:

3

Height:

60-80 cm

Spread:

30-60 cm

Colour:

Blue
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Sky Blue Aster Growing and Maintenance Tips

Plant in average, dry to moist, well-drained soil in full sun. Plant height can vary depending on how rich the soil is and how much moisture is provided. Pinch back 1/3 of the foliage twice before early summer, to maintain shape and foliage vigour.


Aster oolentangiensis Characteristics

Full Sun
Full Sun
Partial Sun/Shade
Partial Sun/Shade
Attracts Butterflies
Attracts Butterflies
Deer Resistant
Deer Resistant
Salt Tolerant
Salt Tolerant
Native to Ontario
Native to Ontario

Soil Moisture

Average to Dry Soils
Well-drained
Moist to Average

Growth Rate

Medium

Flowering Time

Lt. Sum-Fall
Fall

Habit

Upright
Clumping

Foliage Color

Green

Landscape uses

Roadside planting
Woodland/woods edge
Naturalizing

 Suitable Substitutions for Aster oolentangiensis

Aster shortii

Aster shortii

Short's Aster