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Vernonia missurica

Missouri ironweed add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun

Water Use: medium

Soil Moisture: dry, moist, wet

Soil Description: rich, average, loam, clay, gravel/rock

Height: 3'-5'

Bloom Time: July, August

Bloom Color: purple

Hardiness Zone: 4, 5, 6, 7, 8, 9

Additional Tags: attracts bees, attracts butterflies, colonizing, cut flowers, deer resistant, naturalizing, stream margin plant

Vernonia missurica (Missouri ironweed)
  • Vernonia missurica (Missouri ironweed)

Pricing & Availability

Description

Vernonia missurica

Also known as:

Missouri ironweed

,

Scientific Synonyms:

Vernonia aborigina

Description

Vernonia missurica is a robust perennial with stiff, terminally divided flowering stems. It typically grows to a height in the 3 to 5' range, and bears clusters of fluffy purplish flowers from mid to late summer. It is smaller than than most species in the genus, including V. noveboracensis (New York ironweed), and can best be distinguished by its hairy stems and leaf undersides.

Cultivation

Although common in wet to moist meadows, Missouri ironweed will easily tolerate extended dry periods. This versatility, and its relatively small stature, make easy to grow and adaptable to average garden conditions. It is not particular about soil type, and will even tolerate heavy clay. Full to part-sun is best. The root system is densely fibrous and rhizomatous, and can be effective at stabilizing soil. It will slowly expand vegetatively to form small colonies, and does not spread aggressively from seed. This species is an excellent choice for use in rain gardens and bioswales. Zones 4-9

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, FL, IA, IL, IN, KS, KY, LA, MA, MI, MO, MS, NE, NM, OH, OK, TN, TX

USDA Endangered Status:

  • Endangered: OH

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae Aster family
Genus Vernonia ironweed
Species Vernonia missurica Missouri ironweed