Stem

  • Up to 3 ft. tall, branched and covered with long, sticky hairs
Black henbane plant
Black henbane plant

Leaves

  • Alternate, lance-shaped to oblong, 2-8 in. long and covered with short, sticky hairs; veins are prominent and pale; edges (margins) are lobed to toothed; lower leaves have a short stem (petiole), upper leaves have NO leaf stem
Black henbane rosette
Black henbane rosette

Flower

  • Funnel-shaped with a purple center; 5 fused, greenish-yellow petals with purple veins; arise from leaf axils along upper part of stem
  • Seed pods are pineapple-shaped, 1 in. long and covered with long, sticky hairs; open end has 5 lobes; contain many small, dark seeds 
Black henbane flower
Black henbane flower

Root

  • Thick, fleshy taproot
Black henbane
 

Other

  • Grows best on open sites with well-drained soils; often infests roadsides, waste areas, field borders and pastures; known to occur in Clark, Elko, Eureka, Lincoln, Nye and White Pine counties 
  • Annual or biennial; reproduces by seed
  • Toxic to humans and livestock but rarely consumed by animals due to foul odor and taste
placeholder image
Black henbane seed head

Control

  • Mowing, tillage, digging and hand-pulling prior to seed production are effective; burning dry, mature plants can kill seed 
  • Apply 2,4-D or dicamba post emergence; chlorsulfuron, metasulfuron or picloram pre- or post emergence
Blecker, L., Creech, E., Dick, J., Gephart, S., Hefner, M., Kratsch, H., Moe, A., Schultz, B. 2020, Nevada Noxious Weed Field Guide – Black henbane, Extension, University of Nevada, Reno, Field Guide

Learn more about the author(s)

 

Also of Interest:

 
Managing Black Henbane
This fact sheet contains information on ways to manage Black Henbane such as mechanical controls, cultural controls, biological controls, and many more.
Graham, J. and Johnson, W. 2004, Extension | University of Nevada, Reno, FS-04-10
 

Associated Programs

master gardeners in garden

Master Gardeners of Washoe County

Master Gardeners provide free, research-based horticulture information to Nevadans.

Master Gardeners at tabling event

Master Gardeners of Nevada

Program trains local gardeners to provide research-based horticulture information to Nevadans

ladybug larva eating aphids on a pepper plant

Integrated Pest Management

Integrated Pest Management program is a long-term management strategy that uses a combination of tactics to reduce pests to tolerable levels with potentially lower costs for the pest manager and minimal effect on the environment.