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Eupatorium coelestinum

Hardy Ageratum

Take annual ageratum, "super-size" it and you have Eupatorium coelestinum, a perennial version. Eupatorium coelestinum has the same powder-blue, button-like flowers but on top of tall, vigorous foliage.


  • Category:Perennials
  • Hardiness Zone:6-11
  • Height:24-36 Inches
  • Spread:24 Inches

Attributes
Cut Flower
Fall Bloomer
Low Maintenance
Native
Flower Color
Blue
Foliage Color
Green
Best Usage
Border or Bed
Container
Mass Planting
Naturalizing
Soil Moisture Preference
Average
Moist
Season of Interest (Flowering)
Summer
Fall
Exposure
Sun
Part Sun
Growth Rate
Medium
Additional Information about Eupatorium coelestinum

Take annual ageratum, "super-size" it and you have this perennial version. Eupatorium coelestinum has the same powder-blue, button-like flowers as ageratum, but in this case on top of tall, vigorous foliage that benefits from a hard pruning in summer. Blooms in fall through hard frost. North American native.