Field Guide to Noxious and Other Selected Weeds of British Columbia

Nightshade (Solanum species)



Hairy nightshade


Black nightshade. Note short calyx
Photo courtesy Dean Swan, Washington State University (retired)

Hairy nightshade with calyx cupping the berry. 
Photo courtesy Dean Swan, Washington State University (retired)

  • Climbing nightshade (Solanum dulcamara), also known as bittersweet: perennial with long branches trailing or climbing on other plants; lance-shaped leaves lobed at the base; bluish-purple flowers; immature green berries turning bright red

  • Hairy nightshade (Solanum sarrachoides): annual to 0.6 metres tall; white flowers; dense covering of short hairs on leaves and stems; yellowish-brown berries at maturity; calyx cupped 2/3 around berry

  • Black nightshade (Solanum nigrum): annual to 0.9 metres tall; white flowers; smooth leaves; black to dark purple berries at maturity; short calyx does not cup the berry
  • young plants and immature berries are particularly poisonous

Climbing nightshade
Climbing nightshade berries

More information about black nightshade (Weeds BC)

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