Volunteering
Volunteer Fuel Reduction at Big Basin
Date: March 20, 2026
Where: Big Basin Redwoods State Park
Join us at Big Basin Redwoods State Park for a hands-on volunteer workday creating brush piles in the Redwood Grove to reduce forest fuels.
Volunteering
Date: March 25, 2026
Where: Zayante Fire Department parking lot
Join Sempervirens Fund, the City of Santa Cruz, and the California Native Plant Society as we work to remove invasive French broom.
Webinars
How Flowers Made Our World, with David George Haskell
Date: March 31, 2026
Where: ZOOM
Join writer and biologist David George Haskell Under the Redwoods to learn about the role flowering plants have in ecology and human culture.
Hikes
Guided Hike at Big Basin Redwoods State Park
Date: April 9, 2026
Where: Big Basin Redwoods State Park
Join us April 9 for a moderate 4.3 mile guided hike at Big Basin Redwoods State Park for a spring-themed group hike through one of California’s most iconic redwood forests.
Hikes, Other
Redwoods Forest Bathing at Nisene Marks
Date: April 11, 2026
Where: Nisene Marks
Immerse yourself in nature with this restorative group Forest Bathing experience in the redwood forests of Nisene Marks.
Volunteering
Volunteer Fuel Reduction at Big Basin
Date: April 17, 2026
Where: Big Basin Redwoods State Park
Join us at Big Basin Redwoods State Park for a hands-on volunteer workday creating brush piles in the Redwood Grove to reduce forest fuels.
Volunteering
Olympia Watershed French Broom Removal
Date: April 18, 2026
Where: Zayante Fire Department parking lot
Join Sempervirens Fund and the San Lorenzo Valley Water District for a 3-hour conservation event as we work to remove invasive French Broom.
Other
Big Basin BioBlitz 2026 – Community Nature Challenge
Date: April 24, 2026
Where: Big Basin Redwoods State Park
Join California State Parks, Sempervirens Fund, and iNaturalist for a BioBlitz at Big Basin Redwoods State Park and help document how the forest is recovering after the 2020 CZU Lightning Complex Fire. Volunteers will search for and record plants, animals, fungi, and insects within the park.
Bring your smartphone with the iNaturalist app installed, plus your curiosity and powers of observation.
Webinars
How Citizen Science Advances California’s 30×30 Initiative
Date: April 28, 2026
Where: ZOOM
Join environmental journalist Mary Ellen Hannibal to learn how citizen science is a central tool for achieving California’s 30×30 initiative.
