Accordion side navigation Invasive Species Program What are invasive species? How can I help? Report a sighting Invasive Species Action Week “Don't Let it Loose!” Campaign Community science Eye on Invasives newsletter California Aquatic Invasive Species Management Plan Laws and regulations Species Caulerpa Nutria Quagga/Zebra All Species See also: Marine Invasive Species Monitoring Program California Invasive Species Action Week On this page Overview Ways You Can Participate This Week Learn Actions For All Year CISAW Partners Contact Saturday, June 7 - Sunday, June 15, 2025 The California Invasive Species Action Week (CISAW) is a statewide, week long event created to increase public awareness of invasive species in our state and to promote public participation year round in invasive species management. Together we can protect California's natural resources! Volunteers with the Golden Gate National Recreation Area (GGNRA) remove invasive plants. Photo by GGNRA. Ways You Can Participate This Week! 2025 Schedule of Events (PDF) - see corresponding map below Attend the Invasive Lunch Webinars Post your CISAW activities to social media Watch our social media posts during the week Volunteer for invasive species removal/habitat restoration projects Attend an educational workshop or youth activity Join the statewide community science effort - report what you see Make sure to Clean, Drain, and Dry (PDF) your boat after each outing Remove invasive plants from your property and replace with native plants Youth volunteers with the Mountains Restoration Trust learn about and help remove invasive red swamp crayfish. Photo by John Burnap. Learn Discover California's invasive species Animals Insects Plants What to do with unwanted pets and aquatic plants How to prevent the spread of invasive species during your outdoor adventures Actions for All Year Select native or non-invasive plants for your garden Use only certified "weed-free" forage, hay, seed, mulch, soil, and gravel Avoid spreading forest pests: buy your firewood where you burn it Remove invasive plants from your property and replace with native plants Prevent the spread of plant pathogens that damage and kill California's native plants and trees For questions or assistance, contact Invasives@wildlife.ca.gov. CISAW Partners Contact CDFW Invasive Species ProgramP.O. Box 944209, Sacramento CA 94244-2090Invasives@wildlife.ca.gov