Jimsonweed (Datura stramonium L.)

Solanaceae (Potato Family) Synonym(s): Jamestown Weed, Mad Apple, Moonflower, Stinkwort, Thorn Apple Base Flower Color: White, Violet, Dark Violet CenterReproductive Phenology: Jul, Aug, Sept, Oct For more information about this plant, Click Here.

Oriental Lady’s Thumb (Persicaria maculosa S. F. Gray)

Polygonaceae (Buckwheat Family) Synonym(s): Spotted Lady’s-thumb, Redshank Base Flower Color: PinkReproductive Phenology: May, Jun, Jul, Aug, Sept, Oct, Nov, Dec For more information about this plant, Click Here.

Creeping Water Primrose (Ludwigia peploides (Kuntze) P. H. Raven ssp. glabrescens)

Onagraceae (Evening Primrose Family) Synonym(s): Creepingâ Water-primrose, Floating Primrose-willow, Water-primrose Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, Aug, Sept, Oct, Nov 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.

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.

Dame’s Rocket (Hesperis matronalis L.)

Brassicaceae (Mustard Family) Base Flower Color: Purple, Pink, WhiteReproductive Phenology: Apr, May, Jun, Jul, AugEcological Threat: Dame’s rocket displaces native plant species. For more information about this plant, Click Here.

Dandelion (Taraxacum officinale F. H. Wigg.)

Asteraceae/Compositae (Aster/Composit Family) Base Flower Color: YellowReproductive Phenology: In Tennessee you can see this plant any month. For more information about this plant, Click Here.

Japanese Spiraea (Spiraea japonica L. f.)

Rosaceae (Rose Family) Synonym(s): Japanese Meadowsweet; Japanese Spiraea Base Flower Color: RedReproductive Phenology: May , Jun , Jul For more information about this plant, Click Here, and Here.