Eupatorium coelestinum - Mist Flower/Hardy Ageratum
Eupatorium coelestinum - Mist Flower/Hardy Ageratum

Eupatorium coelestinum - Mist Flower/Hardy Ageratum

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yes - ASButterfly FriendlyDeer ResistantPart Shade
Mist Flower/Hardy Ageratum
Eupatorium coelestinum

The fuzzy blue flowers of hardy ageratum top attractive red stems in late summer and early fall. Easy to grow, it naturalizes readily and works well as a filler or groundcover planting. Its brilliant blue flowers make a unique and long-lasting cut flower. In warmer zones and loose soils, plan for quite a bit of spreading.

  • Flowers attract bees, butterflies, and skippers
  • Easy to grow, flowers from mid-summer into autumn
  • Makes a great groundcover
  • Attracts insects favored by birds

Native Range

Low woods and moist meadows, stream banks, ditches, base of bluffs; New Jersey and Illinois, south to Texas and Florida

Map Credit: The Biota of North America 
Map Key: Green (native), Teal (native, adventive), Blue (present), Yellow (present & rare), Red (extinct)

In addition to butterflies, late summer and fall blooming asteraceae species provide food for many insects, some of which are in turn food for insect-eating birds like Bluebirds, Orioles, Warblers and Red-wing Blackbirds.



Mistflower is adapted to most soil types, but is especially suited to heavy soil rich in organic matter. Natural stands are found on moist to wet sites, such as low woods, wet meadows, and ditches. It grows best in full sun, but will tolerate light shade.


Mature Size: 2-3ft. Tall x 2-3ft. Wide

Hardiness Zone: 4-9

Sun Exposure: Full sun to light shade

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