Cal-IPC works to stop the spread of invasive plants across California...
WeedCUT decision support tool, now online!
Find guidance for a range of non-chemical weed control techniques, with the ability to filter by weed and site characteristics.
2021 Photo Contest now open! Share your shots
Enter the 2021 Cal-IPC Photo Contest. Share your team’s hard work and help us tell the story of weed work in California.
Early bird rates end Aug 20! Join the Cal-IPC 30-Year Anniversary Symposium
Celebrate 30 years with Cal-IPC! Register now for the Cal-IPC 2021 Symposium and connect with land managers from across the state – and beyond.
2020 Cal-IPC Symposium videos & presentations
Now online! Best Management Practices for Non-Chemical Weed Control
Comprehensive descriptions of 21 commonly used non-chemical weed control techniques and of biological control agents.
Stewarding California’s Biodiversity: EDRR for Invasive Plants
This white paper provides background, a description of existing efforts, and recommendations for strengthening the state’s Early Detection Rapid Response capacity.
Conservation cannot succeed without social justice. Find resources here.
Cal-IPC is committed to achieving our conservation goals by increasing participation across all communities in California. To get involved in this effort, join our mailing list, or find resources for your organization, start here.
Central Valley Arundo Report
This report summarizes results from an extensive Arundo mapping effort in California’s Central Valley and surrounding foothills.
Land Manager’s Guide to Developing an Invasive Plant Management Plan
This comprehensive guide is designed to be applicable at any scale and to help you create a land management plan that is strategic, integrative, and adaptive to changing conditions.
Need help with field ID for early detection? Check out our Species ID Cards
To support field identification of early detection species, Cal-IPC has designed Species ID cards for EDRR that can be downloaded, printed double-sided, and trimmed to size.
Our Invasive Plant Checklist for California Landscaping compiles information from the Cal-IPC Inventory, PlantRight, and the CDFA Noxious Weed List to help landscape professionals avoid using invasive plants.
Connect with Cal-IPC & the wildland weed community