Golden St. John’s-wort (Hypericum frondosum Michx.)

Clusiaceae (Mangosteen Family) Synonym(s): Cedarglade St. John’s-wort, Golden St. John’s-wort Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, Aug For more information about this plant, Click Here.

Glade Wild Petunia (Ruellia humilis Nutt.)

Acanthaceae (Acanthus Family) Synonym(s): Prairie Petunia, Fringeleaf Wild Petunia, Hairy Ruellia, Low Wild Petunia, Low Ruellia, Fringeleaf Ruellia Base Flower Color: Purple, WhiteReproductive Phenology: May, Jun, Jul, Aug, Sept, OctNotes: This plant has sessile leaves. The other ruellia in TN have petioles. For more information about this plant, Click Here.

American Germander (Teucrium canadense L. var. canadense)

Lamiaceae (Mint Family) Synonym(s): Canada germander, American Germander, Canadian germander, Germander, Hairy germander, Wood Sage Base Flower Color: PinkReproductive Phenology: Jun, Jul, Aug, SeptNotes: This herb is sometimes sold commercially as Pink Skullcap. For more information about this plant, Click Here.

Greater Tickseed (Coreopsis major Cronquist var. major)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Greater Tickseed, Major Coreopsis Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, AugBloom Notes: A coreopsis up to 3 feet tall with vivid yellow blooms in midsummer as much as 3 inches across. For more information about this plant, Click Here.

Common St. Johnswort (Hypericum perforatum L.)

Clusiaceae (Mangosteen Family) Synonym(s):Klamathweed, St. John’swort Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, SeptNotes: A single plant may produce up to 100,000 seeds per year. Seeds buried in soil may last for 10 years. Animals that eat St. Johnswort and then are exposed to direct sunshine develop severe sunburns that are seen as skinContinue reading “Common St. Johnswort (Hypericum perforatum L.)”

Fringed Loosestrife (Lysimachia ciliata L.)

Primulaceae (Primrose Family) Synonym(s): Fringed Loosestrife, Fringed Yellow Loosestrife Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, Aug, SeptBloom Notes: Five-petaled, yellow flowers droop from stalks which arise from the axils of opposite leaves. For more information about this plant, Click Here.

Swamp Verbena (Verbena hastata L.)

Verbenaceae (Vervain Family) Synonym(s): Swamp Verbena, Blue Verbena, Blue Vervain, Simpler’s Joy Base Flower Color: Blue Reproductive Phenology: Jun, Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Purple Milkwort (Polygala sanguinea L.)

Polygalaceae (Milkwort Family) Synonym(s): Blood Milkwort Base Flower Color: PinkReproductive Phenology: May, Jun, Jul, AugNotes: Underground root gives off wintergreen odor when crushed. For more information about this plant, Click Here.

Thimble Weed (Anemone virginiana L.)

Ranunculaceae (Buttercup Family) Synonym(s):Tall Thimbleweed, Thimbleweed, Tall Anemone Base Flower Color: WhiteReproductive Phenology: May, Jun, Jul, AugBloom Notes: The distinctive, thimble-shaped group of pistils accounts for the common name. For more information about this plant, Click Here.