eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum
eupatorium-coelestinum-hardy-ageratum

Hardy Ageratum

American Beauties Native Plants®
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  • Eupatorium coelestinum
  • North American Native
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Pairs well with

Fuzzy, violet-blue flower clusters bloom late in the season atop reddish stems. This spreading perennial thrives in moist soil and fills gaps quickly with its aggressive growth.

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Size at Maturity

Height 2'- 3' Spread 2'- 3'

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Growing Zone

USDA Hardiness Zones 4-8

Lowest Temperatures -30°F to -20°F

Light Requirements

Full sun to part sun- at least 4 hours direct sun per day

Wildlife Benefits

  • Supports Bees
  • Attracts Butterflies

Native Range

AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MD, MO, MS, NC, NE, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV

Special Conditions

  • Deer Resistant

Seasons of Interest

  • Summer
  • Fall

How to Plant

Give your new plant the best start possible. Click here for general planting instructions.

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Planting and Care Guide

Planting Tips

Plant in moist to average, well-drained soil. Space 18–24 inches apart. Water thoroughly after planting. This native perennial is highly adaptable and tolerates partial shade.

Care Tips

Water regularly after planting; once established it tolerates moderate drought. Cut to the ground in late fall or early spring. Divide every 3–4 years in spring when clumps become overcrowded. No fertilization generally needed. Hardy ageratum spreads modestly by self-seeding to form naturalistic groupings over time- remove seedlings if spread is unwanted. The fluffy, lavender-blue flowers in late summer and fall are highly attractive to pollinators. Largely pest-free and deer resistant.

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