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

Rhamnaceae (Buckthorn Family) Synonym(s): Carolina False Buckthorn, Yellow Buckthorn, Indian Cherry, Yellowwood Bloom Color: Yellow , GreenBloom Time: May , JunNotes: Although called a buckthorn, this species has no spines. For more information about this plant, Click Here.

Limestone Carolina Larkspur (Delphinium carolinianum ssp. calciphilum)

Ranunculaceae (Buttercup Family) Synonym(s): Carolina Larkspur Bloom Color: White, BlueBloom Time: May , Jun , JulNotes: All species of Delphinium are apparently toxic. For more information about this plant, Click Here.

Elderberry (Sambucus nigra ssp. canadensis)

Caprifoliaceae (Honeysuckle Family) Synonym(s): Synonym(s): Common Elderberry, Black Elder, Mexican Elderberry, Common Elder, Elderberry, Tapiro, Sauco Bloom Color: WhiteBloom Time: May , JunNotes: POISONOUS PARTS: Leaves, twigs (stems), roots, unripe fruits. Low toxicity if ingested. Symptoms include nausea, vomiting, diarrhea, coma. For more information about this plant, Click Here.

Glade Wild Petunia (Ruellia humilis)

Acanthaceae (Acanthus Family) Synonym(s): Prairie Petunia, Fringeleaf Wild Petunia, Hairy Ruellia, Low Wild Petunia, Low Ruellia, Fringeleaf Ruellia Bloom Color: Purple, Pink, WhiteBloom Time: May , Jun , Jul , Aug , SepNotes: This plant has sessile leaves. The other ruellia in TN have petioles. For more information about this plant, Click Here.

American Germander (Teucrium canadense)

Lamiaceae (Mint Family) Synonym(s): Canada germander, American Germander, Canadian germander, Germander, Hairy germander, Wood Sage Bloom Color: White, PinkBloom Time: May , Jun , Jul , AugNotes: This herb is sometimes sold commercially as Pink Skullcap. For more information about this plant, Click Here.

Whorled Coreopsis, Greater Tickseed, Major Coreopsis (Coreopsis major)

Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Greater Tickseed, Major Coreopsis Bloom Color: YellowBloom Time: Jun , Jul , Aug , SeptBloom 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.

Thimble Weed (Anemone virginiana)

Ranunculaceae (Buttercup Family) Synonym(s):Tall Thimbleweed, Thimbleweed, Tall Anemone Bloom Color: White , Green , BrownBloom Time: May , Jun , JulBloom Notes: The distinctive, thimble-shaped group of pistils accounts for the common name. For more information about this plant, Click Here.

White Colicroot (Aletris farinosa)

Liliaceae (Lily Family) Synonym(s): White Colicroot, Colic Root, Unicorn Root Bloom Color: WhiteBloom Time: May , Jun , Jul , AugBloom Notes: Until the 19th century the roots were collected and used medicinally to treat colic. For more information about this plant, Click Here.

Sundrops (Oenothera fruticosa)

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

Helmet-Flower (Scutellaria integrifolia)

Lamiaceae (Mint Family) Synonym(s): Helmet-flower, Rough Skullcap, Common Large Skullcap, Tall Skullcap Bloom Color: White , Pink , BlueBloom Time: May , Jun , Jul For more information about this plant, Click Here.

Rusty Blackhaw (Viburnum rufidulum)

Caprifoliaceae (Honeysuckle Family) Synonym(s): Rusty Blackhaw, Southern Blackhaw, Blackhaw, Bluehaw, Downy Viburnum, Southern Nannyberry, Rusty Nannyberry, Nannyberry Bloom Color: WhiteBloom Time: Apr , May For more information about this plant, Click Here.