blue wood aster

Aster cordifolius | Also known as: Michaelmas daisy, Aster | Rating: 0 votes | Print / Pdf

When aster cordifolius or blue wood aster blooms, the sheer number of beautiful blue flowers produced by this plant will have you losing track of time as you stare admiringly at them. The abundance of pretty, tooth-edged foliage makes blue wood aster an attractive choice for planting en masse in the likes of a border, meadow garden or wildlife garden. This plant likes a moist and fertile soil either in full sunlight or partial shade and its charming appearance won’t fail to delight wherever it is situated.

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Plant
Known dangers?
  • no
Height [m]
  • 0.6 - 1.5
Spread [m]
  • 0.45
Dominant flower colour
  • Blue
Flower Fragrance
  • No, neutral please
Flowering seasons
  • Late summer
  • Early autumn
  • Mid autumn
Foliage in spring
  • Green
Foliage in summer
  • Green
Propagation methods
  • seed
  • division
Growth habit
  • Clump-forming
  • Erect
Environment
Acidity
  • Acidic
  • Neutral
  • Alkaline
Hardiness zone
  • Z5-8
Heat zone
  • H8-1
Winter temperatures [°C]
  • -29 - -7
Heat days
  • 0 - 120
Moisture
  • well-drained but frequently watered
Soil type
  • sandy
  • Clay
  • chalky
  • loams
Sun requirements
  • Partial shade
Exposure
  • Exposed
  • Sheltered
Usage
Standard category
  • Flowers & bulbs
  • Perennials
Grown for
  • Attractive Flowers
Creative category
  • Kid Approved
  • For Beginners
  • Colours
  • Show-offs
  • Roses & classics
Garden type
  • Cottage garden
  • Rock garden
  • Containers
  • Wildlife gardens
Garden spaces
  • Flower beds
  • Cut flowers
  • Borders
Gardening expertise
  • beginner
Time to reach full size
  • 2 to 5 years
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