Horsenettle

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Horsenettle (Solanum carolinense) is a coarse perennial weed spread by seeds and rhizomes. Stems and leaves have scattered ¼- to ½-inch spines. White and yellow flowers produce green berries that turn yellow as they ripen. 

Horsenettle in bloom (Ohio State Weed Laboratory, Ohio State University, Bugwood.org)Horsenettle in bloom.

(Photo: Ohio State Weed Laboratory, The Ohio State

University, Bugwood.org)

Horsenettle foliage (Ackley, Ohio State University, Bugwood.org)Horsenettle foliage.

(Photo: Bruce Ackley, The Ohio State University, Bugwood.org)

    

Management:

  • Cut repeatedly and spot-treat with a systemic herbicide.
  • Do not allow plants to go to seed; a single plant can produce up to 5,000 seeds.

    

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