Late-Flowering Thoroughwort (Eupatorium serotinum Michx.)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s):  White Boneset, Late Boneset, Late-flowering Boneset Base Flower Color: WhiteReproductive Phenology: Aug, Sept, OctQuiz: See if you can find the Lynx Spider (Peucetia viridans)! For more information about this plant, Click Here.

Roundleaf Thoroughwort (Eupatorium rotundifolium L.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: WhiteReproductive Phenology: Aug, Sept, OctNotes: Special value to native bees. For more information about this plant, Click Here.

Rough Sunflower (Helianthus strumosus L.)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s):  Paleleaf Woodland Sunflower, Paleleaf Sunflower, Woodland Sunflower Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Common Sneezeweed (Helenium autumnale L.)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s):  Fall Sneezeweed, Autumn Sneezeweed Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, Oct, NovNotes: The genus is thought to have been named by Linnaeus for Helen of Troy. The legend is that the flowers sprung up from the ground where her tears fell. For more information about this plant, Click Here.

Carolina Elephant’s Foot (Elephantopus carolinianus Raeusch.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Pink, Purple, WhiteReproductive Phenology: Aug, Sep, OctNotes: The common name elephant’s foot refers to the large basal leaves of this species. For more information about this plant, Click Here.

Giant Ironweed (Vernonia gigantea Trel. ex Branner & Coville)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s):  Tall Ironweed Base Flower Color: Purple, PinkReproductive Phenology: Jun, Jul, Aug, SeptNotes: The common name refers to the toughness of the stem. For more information about this plant, Click Here.

Pink Milkwort (Polygala incarnata L.)

Polygalaceae (Milkwort Family) Synonym(s): Procession Flower Base Flower Color: PinkReproductive Phenology: Apr, May, Jun, Jul, Aug, Sept, Oct, Nov For more information about this plant, Click Here.

Canada Horse-Balm (Collinsonia canadensis L.)

Lamiaceae (Mint Family) Synonym(s): Richweed, Stoneroot, Citronella Horsebalm Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Spanish Needles (Bidens bipinnata L.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: White , YellowReproductive Phenology: Jun, Jul, Aug, Sept, OctNotes: The species is used in traditional Chinese medicine, and in that context is called nianshencao (“stick to the body weed”). For more information about this plant, Click Here.

Slender Dayflower (Commelina erecta L. var. erecta)

Commelinaceae (Spiderwort Family) Synonyms: Dayflower, Widow’s Tears, White-mouth Dayflower Base Flower Color: BlueReproductive Phenology: Jun, Jul, Aug, Sept, OctNotes: They only bloom for a day, but there are several buds on a plant that open 3-4 days apart. For more information about this plant, Click Here. Similar Species: Asiatic Dayflower (Commelina communis L.)