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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)

Plant of Missouri ironweed (Vernonia missourica) in a field.

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)

Purplish-pink flowers 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)

Cream colored flowers of welsh's milkweed (Asclepias welshii) in sand dunes.

A Comprehensive Guide to Welsh’s Milkweed (Asclepias welshii)

Welsh’s Milkweed (Asclepias welshii) is a herbaceous perennial that is native to the states of Arizona and Utah in the United States. This plant is a host to the Queen (Danaus gilippus) and Monarch (Danaus plexippus) butterflies. Growing from 1 to 3.5 feet tall, this species grows in… Read More »A Comprehensive Guide to Welsh’s Milkweed (Asclepias welshii)

Plant of ruth's milkweed (Asclepias ruthiae) in a dry area.

A Comprehensive Guide to Ruth’s Milkweed (Asclepias ruthiae)

Introduction Ruth’s Milkweed (Asclepias ruthiae) is a herbaceous perennial that is native to the southwestern United States in the states of Arizona, New Mexico, and Utah. This plant is a host to the Queen (Danaus gilippus) and Monarch (Danaus plexippus) butterflies. Growing from 2 to 4 inches tall,… Read More »A Comprehensive Guide to Ruth’s Milkweed (Asclepias ruthiae)

Light purple flower of anticosti aster (Symphyotrichum anticostense).

A Comprehensive Guide to Anticosti Aster (Symphyotrichum anticostense)

Anticosti Aster (Symphyotrichum anticostense) is a herbaceous perennial that is native to the state of Maine and the provinces of Quebec and New Brunswick in Canada. This plant is a host to the Pearl Crescent (Phyciodes tharos) and American Lady (Vanessa virginiensis) butterflies and several moths. Growing from… Read More »A Comprehensive Guide to Anticosti Aster (Symphyotrichum anticostense)

Light lavender flowers of many-ray aster (Symphyotrichum anomalum).

A Comprehensive Guide to Many-ray Aster (Symphyotrichum anomalum)

Many-ray Aster (Symphyotrichum anomalum) is a herbaceous perennial that is native to the midwestern United States. This plant is a host to the Pearl Crescent (Phyciodes tharos) and American Lady (Vanessa virginiensis) butterflies and several moths. Growing from 0.75 to 4 feet tall, this species grows in dry… Read More »A Comprehensive Guide to Many-ray Aster (Symphyotrichum anomalum)

Plant of scale-leaf aster (Symphyotrichum adnatum) in a field.

A Comprehensive Guide to Scale-leaf Aster (Symphyotrichum adnatum)

Introduction Scale-leaf Aster (Symphyotrichum adnatum) is a herbaceous perennial that is native to the southeastern United States. This plant is a host to the Pearl Crescent (Phyciodes tharos) and American Lady (Vanessa virginiensis) butterflies and several moths. Growing from 1 to 4 feet tall, this species grows in… Read More »A Comprehensive Guide to Scale-leaf Aster (Symphyotrichum adnatum)

Greenish-yellow flowers of rusby's milkweed (Asclepias rusbyi) in an open area.

A Comprehensive Guide to Rusby’s Milkweed (Asclepias rusbyi)

Rusby’s Milkweed (Asclepias rusbyi) is a herbaceous perennial that is native to the southwestern United States, except California and extends south into Mexico. This plant is a host to the Queen (Danaus gilippus) and Monarch (Danaus plexippus) butterflies. Growing from 0.5 to 3.5 feet tall, this species grows… Read More »A Comprehensive Guide to Rusby’s Milkweed (Asclepias rusbyi)

Herbarium specimen of slim-pod milkweed (Asclepias quinquedentata).

A Comprehensive Guide to Slim-Pod Milkweed (Asclepias quinquedentata)

Slim-Pod Milkweed (Asclepias quinquedentata) is a herbaceous perennial that is native to the states of Arizona and New Mexico in the United States and extends south into Mexico. This plant is a host to the Queen (Danaus gilippus) and Monarch (Danaus plexippus) butterflies. Growing from 6 to 12… Read More »A Comprehensive Guide to Slim-Pod Milkweed (Asclepias quinquedentata)