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Native Plant of the week: Blue Mistflower

Updated: Mar 8, 2022

Name: Conoclinium coelestinum aka Eupatorium coelestinum - Hardy Ageratum

Family: Asteraceae

Bloom Time: late summer - fall

Soil Condition: well drained

Light: full sun to partial shade

Height: 24” - 36”

Native Range: Eastern North America

Conoclinum coelestinum is best used for naturalizing in wildflower and native gardens as it can be quite aggressive. Fills in empty space quickly to combat unwanted weeds. Blooms for at least 8 weeks and makes a great cut flower.

Flowers: lavender/blue

Maintenance: cut it back by ½ no later than July 4th for bushier plants with more flowers. Easy to remove wandering rhizomes.

Benefits: The nectar-rich flowers are attractive to butterflies and other pollinators. Birds enjoy the seeds.



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