Classical Weed Biocontrol

What is Classical Weed Biocontrol?
Will It Work for You?

A full explanation of weed biocontrol, including its history, process, safety, and limitations.

Graph with axes Population Density and Time. The graph shows the population density of an invasive plant drops after the initial release of a biocontrol agent, eventually falling below the damage threshold. As the invasive plant population decreases, the desirable vegetation level increases.

Components of a Weed Biocontrol Program

Detailed descriptions for each step of a weed biocontrol program, including selecting release sites, choosing the best biocontrol agents, obtaining and releasing agents, and monitoring the program.

Approximately a dozen adult people standing in a field, with a barn in the background.

Success Stories

Examples of North American weed biocontrol programs that have reduced weed impacts below acceptable damage thresholds.

Composite photo

Getting Started

A checklist of steps to take and resources to utilize to plan and implement your own weed biocontrol.

A person standing in a field, holding a round cardboard container, releasing insects from inside the container onto plants.