Cal-IPC works to stop the spread of invasive plants across California...
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.
Symposium Attendees, join a local Field Trip!
Learn about restoration efforts near you with a Field Trip. Register now!
Get your 30-Year Gear!
Show off your love for California biodiversity with this special limited-release design – available in t-shirts, tanks, hoodies, or kid’s sizes – celebrating Cal-IPC’s 30-Year Anniversary of protecting our state against invasive weeds.
Vote in the 2021 Photo Contest! Deadline Oct 28
Who will win the 2021 Cal-IPC Photo Contest? Vote for your favorite!
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.
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.
Using herbicides to control invasive plants
Cal-IPC’s Policy Task Force and science advisers have developed a page with information about how herbicides are used to control invasive plants, including our policy statement on glyphosate.
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.
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