Late Purple Aster (Symphyotrichum patens (Aiton) G. L. Nesom var. patens)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Purple, White, YellowReproductive Phenology: Aug, Sept, Oct, Nov For more information about this plant, Click Here.

Mohr’s Rosinweed (Silphium mohrii Small

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

Aromatic Aster (Symphyotrichum oblongifolium (Nutt.) G. L. Nesom)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Pink, Purple, YellowReproductive Phenology: Aug, Sept, Oct, Nov For more information about this plant, Click Here.

Erect Goldenrod, Showy Goldenrod (Solidago erecta Banks ex Pursh)

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

Flat-Topped White Aster (Doellingeria umbellata (Mill.) Nees)

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

Rugel’s Indian Plantain (Rugelia nudicaulis Shuttlw. ex Chapm.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Green, WhiteReproductive Phenology: Jul, Aug, Sept For more information about this plant, Click Here.

Peruvian Daisy, Shaggy Gallant Soldiers (Galinsoga quadriradiata Ruiz & Pav.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: Yellow, WhiteReproductive Phenology: Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Field Hawkweed, King Devil (Hieracium caespitosum Dumort.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: YellowReproductive Phenology: JulyBloom Notes: This plant has only been seen in a few counties in east Tennessee. For more information about this plant, Click Here.

Nodding Thistle (Carduus nutans L.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: PurpleReproductive Phenology: May, Jun, Jul, Aug, SeptBloom Notes: Carduus nutans invades a variety of disturbed areas. Pastures are particularly at risk because it is unpalatable to livestock. Once established it can spread rapidly due to high seed production (as much as 120,000 seeds per plant). For more information aboutContinue reading “Nodding Thistle (Carduus nutans L.)”

Yellow Sneezeweed, Bitterweed (Helenium amarum (Raf.) H. Rock var. amarum)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Five-leaf Sneezeweed; Sneezeweed; Yellowdicks Base Flower Color: Yellow, Brown (incl. Maroon)Reproductive Phenology: Feb, Mar, Apr, May, Jun, Jul, Aug, Sept, Oct, Nov For more information about this plant, Click Here.