Maintain a native garden with the Guadalupe Valley Stewards and help improve frog habitat!
Don't miss wildflowers on the south slopes! Join the SSF Weed Warriors for their restoration work on the Mountain's south slope – and get some exercise! The non-native invasives are a constant battle so we need all the weed warriors we can get! Only heavy rain would cancel - so come prepared. Friday and Saturday 9am to noon.
Join us for the final butterfly planting event of the winter season! We'll be planting native wildflowers at Buckeye Canyon, rain or shine!
Mission Blue Nursery Plant Sale! Join us for a lovely "Spring Wildflowers" theme and bring some wild color back home to your garden!
Fill the hills with wildflowers and help bring back the bloom for the mission blue and callippe silverspot butterflies! Special welcome to students from South San Francisco High School!
Help restore and beautify the entrance of Costaños Canyon with a lovely mix of mountain plants! Join us on this fun planting day!
Fill the hills with wildflowers, help us bring back the bloom for the mission blue and callippe silverspot butterflies!
EVENT AT CAPACITY, REGISTRATION IS FULL- Join the San Mateo County Park's Stewardship Corps on San Bruno Mountain to restore Colma Creek!
Enjoy a guided hike and help the Dune Defenders on the first dune bloom planting day!
Fall is the perfect time to plant, especially during the beginning of the rainy season!
Prepare your garden for new additions and join us at our "Fantastic Fall Plantings" plant sale!
The first annual Star City Music Festival is a spectacular family-friendly event coming to Brisbane, California—The City of Stars—at the eastern foot of San Bruno Mountain! Live music and fun! Some of the proceeds will benefit SBMW, please join us! Contact us if you want to volunteer at the festival (free tickets for helping hands!)
Join stewardship mountaineers in Owl Canyon to help protect an important meadow for the endangered Mission Blue butterflies!
Join the SSF Weed Warriors for another special day on the mountain's sweeping grasslands! Enjoy late-season wildflowers while removing invasive plants.
"Late Bloomers - on the Mountain, in the Garden" - Ariel Cherbowsky, our Programs Director, will give a talk about the ecology of late blooming native plants and their role in your garden. Late bloomers will help you have stunning color year round - even in our long dry Summers!
Weed as you hike on Buckeye Canyon! Join us on the green hills abounding with wildflowers and butterflies.
Enjoy beautiful views of the mountain and participate in habitat restoration on Earth Day!
Celebrate Earth Day & Spring with David Schooley, the founder of SBMW, at the SF Public Library! David’s evocative photography, poems & artwork will highlight the event.
Publications & refreshments will be available.
Join Liam O'Brien on a butterfly walk on Sign Hill. Liam is San Francisco's well-known lepidopterist, artist, illustrator, and Bay Nature's award-winning environmental educator. Sign Hill is a beautiful open space with the only area currently protected from development in South San Francisco's Sign Hill Park. Significant rain or wind will cancel.