Blue Mistflower
Conoclinium coelestinum
Also known as: Wild Ageratum
Fluffy late-season blue-purple flat-topped flower heads — looks like a hardy ageratum. Major late-season nectar source for migrating monarchs. Spreads by rhizomes; give it room or a contained bed. Formerly *Eupatorium coelestinum*.
- Family
- Asteraceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1.5–3 ft
- Spacing
- 1.5–3 ft apart
- Light
- sun, part shade
- Soil moisture
- moist
- Soil pH
- acidic, neutral
- Bloom
- July, August, September, October, November
- Bloom colors
- blue, purple
- Wildlife value
- songbirds, butterflies, pollinators
- Landscape uses
- border, erosion control, naturalizing
- Native states
- AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, MS, NC, NE, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WI, WV