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    Vernonia

    Posts about the Vernonia genus.

    Purple flowers of New York ironweed (Vernonia noveboracensis).

    A Comprehensive Guide to New York Ironweed (Vernonia noveboracensis)

    New York Ironweed (Vernonia noveboracensis) is a herbaceous perennial that is native to the eastern United States and adventive in the west. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2.5 to 8 feet tall, this species grows in fields, roadsides, and… Read More »A Comprehensive Guide to New York Ironweed (Vernonia noveboracensis)

    Magenta-purple flowers of Missouri ironweed (Vernonia missourica).

    A Comprehensive Guide to Missouri Ironweed (Vernonia missurica)

    Missouri Ironweed (Vernonia missurica) is a herbaceous perennial that is native to the mid-western and southeastern United States. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2 to 6.5 feet tall, this species grows in prairies, and has magenta flowers that bloom… Read More »A Comprehensive Guide to Missouri Ironweed (Vernonia missurica)

    Close-up of purple flower of giant ironweed (Vernonia gigantea).

    A Comprehensive Guide to Giant Ironweed (Vernonia gigantea)

    Giant Ironweed (Vernonia gigantea) is a herbaceous perennial that is native to the eastern and mid-western United States and the province of Ontario in Canada. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2.5 to 10 feet tall, this species grows in… Read More »A Comprehensive Guide to Giant Ironweed (Vernonia gigantea)

    Plant of woolly ironweed (Vernonia lindheimeri).

    A Comprehensive Guide to Woolly Ironweed (Vernonia lindheimeri)

    Woolly Ironweed (Vernonia lindheimeri) is a herbaceous perennial that is native to the states of Texas and Arkansas and adjacent areas of Mexico. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2 to 3 feet tall, this species grows in calcareous areas,… Read More »A Comprehensive Guide to Woolly Ironweed (Vernonia lindheimeri)

    Plants of prairie ironweed (Vernonia fasciculata) in a field.

    A Comprehensive Guide to Prairie Ironweed (Vernonia fasciculata)

    Prairie Ironweed (Vernonia fasciculata) is a herbaceous perennial that is native to the midwestern and Great Plains of the United States and the province of Manitoba. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2 to 4 feet tall, this species grows in moist prairies and has pink to purple flowers that bloom from July to September. This plant is hardy in zones 4-9.

    Purple flowers of western ironweed (Vernonia baldwinii).

    A Comprehensive Guide to Western Ironweed (Vernonia baldwinii)

    Western Ironweed (Vernonia baldwinii) is a herbaceous perennial that is native to the midwestern United States. This plant is a host to the American Lady butterfly (Vanessa virginiensis). Growing from 2 to 5 feet tall, this species grows in prairies, forest openings, fields, and pastures. It has pink… Read More »A Comprehensive Guide to Western Ironweed (Vernonia baldwinii)

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