Whorled Rosinweed (Silphium asteriscus (L.) J. A. Clevinger var. trifoliatum)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Whorled Rosinweed Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug For more information about this plant, Click Here.

Nits And Lice (Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray)

Clusiaceae (Mangosteen Family) Synonym(s): Nits And Lice, Drummond’s St. John’s-wort Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept For more information about this plant, Click Here.

Orangegrass (Hypericum gentianoides (L.) Britton, Sterns & Poggenb.)

Clusiaceae (Mangosteen Family) Synonym(s): Orangegrass, Pineweed Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, OctNotes: Similar to Nits and Lice (Hypericum drummondii) but much smaller. For more information about this plant, Click Here.

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.

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.

Sundrops (Oenothera fruticosa L.)

Onagraceae (Evening Primrose Family) Synonym(s): Narrowleaf Evening-primrose, Narrow-leaf Evening-primrose, Sundrops Base Flower Color: YellowReproductive Phenology: Apr, May, Jun, Jul For more information about this plant, Click Here.

Carolina Buckthorn (Frangula caroliniana (Walter) A. Gray)

Rhamnaceae (Buckthorn Family) Synonym(s): Carolina Buckthorn, Carolina False Buckthorn, Yellow Buckthorn, Indian Cherry, Yellowwood Base Flower Color: Yellow, WhiteReproductive Phenology: May, JunBloom Notes: Many bird species feed on the bright red fruit. Although called a buckthorn, this species has no spines. For more information about this plant, Click Here.

Star Tickseed (Coreopsis pubescens Elliot var. pubescens)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Star Tickseed, Hairy Tickseed Base Flower Color: YellowReproductive Phenology: Apr, May, Jun, Jul, Aug, Sept For more information about this plant, Click Here.