Introduced Pests Outreach Project

Giant Hogweed Management in Massachusetts

Giant hogweed was first discovered at several sites in Massachusetts in 2002. Below is a list of all known populations of this weed in our state:

  • Acton (control efforts in progress)
  • Andover (eradicated)
  • Blandford (two sites, control efforts in progress)
  • Boston (eradicated)
  • Dover (control efforts in progress)
  • Gill (eradicated)
  • Granville (multiple sites, control efforts in progress)
  • Groton (eradicated)
  • Hinsdale (multiple sites, control efforts in progress)
  • Lee (control efforts in progress)
  • Martha's Vineyard (control efforts in progress)
  • New Marlborough (control efforts in progress)
  • North Brookfield (eradicated)
  • Northampton (eradicated)
  • Peru (control efforts in progress)
  • Sandwich (eradicated)
  • Southwick (control efforts in progress)
  • Sutton (control efforts in progress)
  • Wakefield (eradicated)
  • Westfield (eradicated)
  • West Springfield (control efforts in progress)

If you think you may have seen a population of Giant hogweed not on this list, contact us using our online reporting form, or call 617-626-1779. To avoid confusion, we recommend you consult consult this table comparing hogweed lookalikes.

If there is a danger of coming into contact with this plant, gloves, pants, long sleeves and eye protection should be worn. Care should also be taken to avoid spreading the seeds of this noxious weed.

For a complete Giant hogweed fact sheet, click here.

Massachusetts Department of Agricultural Resources
Massachusetts Introduced Pests Outreach Project is a collaboration between the Massachusetts Dept. of Agricultural Resources and the UMass Extension Agriculture and Landscape Program. This website was made possible, in part, by a Cooperative Agreement from the United States Department of Agriculture's Animal and Plant Health Inspection Service (APHIS). It may not necessarily express APHIS' views.