How the Pepperweed Project Developed a Broad Base of Community Support. Distribution of Perennial Pepperweed in the United States and Canada (from USDA’s Plants Database). Perennial Pepperweed, Lepidium latifolium. 6-petaled white flowers. Alternate leaves.
How the Pepperweed Project Developed
a Broad Base of Community Support
Distribution of Perennial Pepperweed in the United States and Canada
(from USDA’s Plants Database)
Perennial Pepperweed, Lepidium latifolium
6-petaled white flowers
Horseradish scent to leaves, stem and roots
Dense stand of Perennial Pepperweed at Parker River NWR
History of the project
1990’s: Pepperweed identified on Parker River NWR
2002: Mass Audubon’s Salt Marsh Science Project to pull Pepperweed on Refuge
2004: Refuge tests herbicides and concentrations on Pepperweed
2005: Newburyport GOMI team takes on Pepperweed control as team project
2006: Refuge begins project to control Pepperweed on and adjacent to Refuge
Mapping begins in Great Marsh region
2007: MA-NH-ME forms to collaborate and communicate about invasive spread in coastal corridor.
Pepperweed project expands to Great Marsh
2008-2010: On going Pepperweed control in 6 towns, hundreds of volunteer hours, continued community support.