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Marcus, Joseph A.
Conoclinium coelestinum (L.) DC.
Blue mistflower
Synonyms: Eupatorium coelestinum
USDA Symbol: Coco13
USDA Native Status: Native to U.S.
Mistflower grows to 3 feet high, but often lower, with leaves opposite, somewhat triangular in shape, and bluntly toothed. At the top of the plant the branches, with their short-stemmed clusters of flowers, form an almost flat top. Disk flowers are bright blue or violet, about 1/4 inch long. There are no ray flowers.
Blue Mistflower attracts bees and butterflies. However, this wildflower spreads quickly and can become a pest.
Plant Characteristics
Duration: Perennial Habit: Herb Size Notes: 2-3
Leaf: Green
Fruit: Size Class: 1-3 ft.
Bloom Information
Bloom Color: Blue , Purple
Bloom Time: Jul , Aug , Sep , Oct , Nov
Distribution
USA: AL , AR , DC , DE , FL , GA , IL , IN , KS , KY , LA , MD , MI , MO , MS , NC , NE , NJ , NY , OH , OK , PA , SC , TN , TX , VA , WV
Native Distribution: NJ to s. IL & e. KS, s. to FL & TX
Native Habitat: Wood margins; stream banks; low woods; wet meadows; ditches
USDA Native Status: L48(N), CAN (I?)
Growing Conditions
Water Use: Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Medium
Soil Description: Moist loam, sand, or clay.
Conditions Comments: Blue mistflower is good as a border plant or as a colonizing groundcover. The fluffy-edged flowers are a magnet for late-season butterflies. It also spreads quickly and can become a pest.
Benefit
Use Wildlife: This wildflower attracts bees and butterflies.
Conspicuous Flowers: yes
Attracts: Birds , Butterflies
Nectar Source: yes
Propagation
Propagation Material: Seeds
Description: Propagate by root division or by seed. Sow seeds in fall or provide cold stratification. Mist flower can also be propagated by softwood cuttings taken in late spring.
Seed Collection: Seeds can be allowed to dry out before sowing.
Seed Treatment: This species requires or benefits from a three month period of cold moist stratification in the refrigerator.
Commercially Avail: yes
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Herbarium Specimen(s)
NPSOT 0685 Collected Nov 22, 1993 in Bexar County by Mike Fox
Wildflower Center Seed Bank
LBJWC-1137 Collected 2011-11-10 in Fort Bend County by Lady Bird Johnson Wildflower Center
Recommended Species Lists
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Metadata
Record Modified: 2012-12-07
Research By: TWC Staff, GDB
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