Conservation

California Native Plant Society

Santa Clara Valley Chapter

California Invasive Species Action Week

What is the California ISAW about?

The Invasive Species Action Week is to promote public awareness of invasive species issues and encourage public participation in the fight against California’s invasive species and their impacts on our natural resources.

It is usually scheduled during the first week of June. Visit www.wildlife.ca.gov/Conservation/Invasives/Action-Week to find out what you can do to take action, find a volunteer program in your area, and view the schedule of events.

What can you do?

Volunteer for invasive species removal/restoration projects.
Find out which species threaten California. ice.ucdavis.edu/invasives
Remove invasive plants from your property.
Select native or non-invasive plants for your garden. www.plantright.org
Use certified “weed-free” hay, seed, mulch, soil and gravel.
Buy it where you burn it: Don’t spread forest pests. www.firewood.ca.gov
Learn which invaders are in your local area.
Monitor plants and trees for infestation symptoms.
Share your knowledge

Report a Sighting

Have you spotted an invader? Report it!
Visit the Department of Fish and Wildlife’s Invasive Species Program web page to fill out a sighting report!

Subcategories

Edgewood County Park and Natural Preserve

Edgewood County Park and Natural Preserve is located just west of Redwood City, in San Mateo County. Though just 467 acres, Edgewood is widely known for fabulous wildflower displays and amazing diversity. And as a Natural Preserve, its goal is to protect native species, including over 300 native plants!

Our CNPS chapter has a long and storied history (almost 40 years!) of exploring the Edgewood site before it was even a park, fighting to save it from development, and then working to protect and restore the habitats found there... visit our Edgewood page to learn more of the story, or visit our Edgewood Weed Warriors page to learn how you can help with restoration.

Coyote Ridge - Treasure of the Santa Clara Valley

Spring wildflowers at Coyote Ridge
(Photo: Ken Himes)

Imagine a place of sweeping vistas, singing grasses, wildflowers, eagles, falcons, coyotes, but few people. All this within view of one of the largest metropolitan areas in America. All this two miles from an interstate highway. The hills on the eastern side of the Santa Clara Valley, known collectively as the Diablo Range, are in places made up of a rock known as serpentinite, or more commonly, just serpentine. Coyote Ridge is a block of serpentine fifteen miles long and two miles wide just east of US 101. In the spring it is a mass of wildflowers, right down to the highway. Kestrels can be seen along the highway, hovering as they look for prey. Red-legged frogs can be seen in ponds, and pronghorns can be seen in the hills beyond.

The last healthy populations of the Bay checkerspot butterfly are found along Coyote Ridge, and there are at least fifteen plants identified by the California Native Plant Society as rare or endangered. Since the early 1990's, CNPS-Santa Clara Valley has conducted vegetation surveys, monitored rare plant populations, led field trips, produced videos, brochures and articles, held public meetings, and advocated conservation policies before public bodies. Protection of this treasure has been adopted by the City of San Jose, the Valley Transportation Authority, the Santa Clara County Open Space Authority, the Silicon Valley Land Conservancy and the Nature Conservancy.

For more information, see our Coyote Ridge page

Invasives

Information can be found at CalIPC.org

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