Join naturalists for a guided, picturesque walk along the beautiful Colgan Creek Restoration Area, which was completed in early 2026. You’ll learn about the fascinating history of the region, dive into the wonders of the plant world, look for birds and wildlife, and learn about the decade the Santa Rosa team and partner organizations spent restoring this area to a beautiful, thriving natural habitat. Footing is relatively flat but may be uneven along the way. For many people, this tour will allow discovery of a hidden jewel right in your backyard. If you already know this site, you’ll discover new…

Ready to turn your front yard into a water-wise native habitat garden? Join Daily Acts, in partnership with the City of Petaluma, to gain the knowledge and confidence to design a beautiful landscape that supports local pollinators, provides habitat, conserves water (and looks great doing it). This event is an extension of the City of Petaluma’s Mulch Madness Program, which provides eligible Petaluma residents with FREE sheet mulching materials/delivery and the opportunity to receive free plants if participants complete all requirements including attending this workshop. Petaluma residents are encouraged to check the program requirements and apply. While participation in the Mulch Madness program is…

Registration recommended | This Event is FREE!  |  Food & drink will be provided! Join SSU’s Center for Environmental Inquiry, SSU’s Kinesiology Department, and community members to celebrate the unveiling of the new and improved SSU Native Plant & Butterfly Garden and Copeland Creek Trail. Come celebrate major milestones in this interdisciplinary project, involving more than a dozen departments and groups on and off campus. Meet the students, faculty, partners, and others who made this collaborative endeavor a reality. Also, check out the new QR code educational activities along the trail, and enjoy a revamped garden, new seating, and interactive…

40th Annual Russian River Watershed Cleanup Day September 19th, 2026 Join Russian Riverkeeper in their annual tradition of gathering together and showing the river some love by helping remove the trash and plastic pollution that has been accumulating since their last cleanup. In 2025, 520 volunteers cleaned up 13 tons of trash in a single day! All volunteers get a special commemorative t-shirt! Signups are now open and will fill up fast! Last day to signup is September 15th and 11:59pm Feel free to contact Ariel Majorana with questions.

The Sonoma-Marin Saving Water Partnership is partnering with the UC Master Gardener Program of Sonoma County for the fourth year to create an educational demonstration garden on the patio outside the Hall of Flowers at the Sonoma County Fair. This year’s Hall of Flowers theme is “Floral Fandango.” Titled “Botanical Rhapsody,” the demonstration garden features permeable hardscaping and a design focused on gathering—less lawn and more space to relax, connect, and enjoy the setting.  “We want to show how welcoming and relaxing a patio garden can be while also conserving water”, says Sonoma County Master Gardener Sally Holland, who is…

Sonoma Ecology Center’s annual Harvest Festival is a joyful, family-friendly gathering that brings our community together in one of Sonoma’s most beloved green spaces. The Harvest Festival is held at Sonoma Garden Park, a community garden and public oasis just a few minutes from downtown Sonoma, stewarded by Sonoma Ecology Center. The festival features a full day of local music, hands-on workshops, kid-friendly activities and farm games, delicious local food and beverages, a pickle-making competition, and immersive nature experiences for all ages. Come connect with neighbors, experience the magic of autumn at the park, and support the ongoing care of…

Do you have a lamp, small appliance, textile, or bike in need of repair? Bring it to the Repair Fair! Volunteers and specialized repair professionals will be on-hand to repair* your items. Please stay with your item while it’s being fixed, so you can learn tips for future maintenance, how to shop for repairable goods, and even how to repair things yourself! If you’d like to bring an item to repair, please register the item here. (Pre-registering allows them to prepare for your item!) This event will also include a Clothing Swap! Bring clothing and accessories to share and take home something new-to-you.…

Presented in partnership with the Petaluma Arts Center and Recology San Francisco and Santa Rosa, It’s Not Trash: Reclaiming and Transforming honors artists who repurpose discarded materials to create work centered on sustainability, storytelling, and community restoration. Reuse Alliance, in collaboration with community participants, will be creating and exhibiting a textile-based art installation at the upcoming exhibition, opening this fall at the Petaluma Arts Center. This summer, they are hosting a series of skill-based workshops centered around transforming and repurposing textile waste collected from clothing swaps and their new creative reuse store at the Reuse Hub. The installation, texTILES, will be featured…

Program: Many of our Marin landscapes are filled with plants from across the globe—chosen over the years for their beauty, availability, or practicality. Today, more gardeners are rethinking those choices and looking to create landscapes that truly support the local ecosystem. California native plants offer a natural fit. Adapted to our climate, they thrive with less water, minimal fertilizer, and can handle our long, dry summers. Just as importantly, they’ve evolved alongside local birds, insects, and wildlife—providing essential food and habitat right in your backyard. Join us for this hands-on pruning workshop, where you’ll learn how to care for both woody…

Program: Ground covers serve many functions in the landscape, including suppressing weeds, reducing erosion, replacing lawns, softening hardscapes, and filling in large expanses. Native groundcovers have the benefits of being adapted to our environment and supporting native biodiversity. In addition, they often require little maintenance or water. In this presentation, we will discuss seventeen of our favorite native groundcovers. Speakers: Kathy Hunting, a Master Gardener since 2014, is an environmental health scientist by training. She lives on a sunny acre in Point Reyes Station where her garden is full of tasty vegetables and fruits. She also attempts to grow ornamentals that the…

Program: Composting, the mystery of gardening! Join us and learn how to compost using kitchen and table scraps, dry and moist plant material to create nutrient-rich organic matter. Compost will improve your soil and plants, while at the same time reducing the waste in our landfills. Speakers: Joan Irwin has been a UC Master Gardener since 2003. She presents frequently on composting, organic gardening and community gardens. She learned to love gardening from her grandmother in Michigan and has gardened in the Bay Area for 40 years. Joan has degrees from the University of Michigan and UC Berkeley. Cost: FREE Sponsors: Marin Master Gardeners…

Program: Discover the world of perennial vegetables—long-lived plants that return year after year, providing nutritious food with minimal effort! This presentation profiles a number of delicious vegetables you can grow here in Marin and explores a “plant-it-once” system that builds soil health and biodiversity. Learn about these hardy, sometimes drought-resistant plants to potentially include into your garden. They are productive, beautiful, and can keep you in food all year long. Speakers: Keri Pon has been a UC Marin Master Gardener since 2011. She has been involved with the Edibles Guild since 2013 and has also worked with the Indian Valley Organic Farm and…