Man and children examine pollinator game at UCCE Master Gardeners Plantpalooza booth

Third Annual Native Plantpalooza & Eco Fest Drew Enthusiastic Crowds

COSF launched Native Plantpalooza & Eco Fest in the fall of 2022 with the goal of producing a free outdoor live event to celebrate and support the Conejo Valley’s rich biodiversity. The community festival’s goal is to educate and inspire attendees about native plants, water-wise gardening and more sustainable living. Read more…

Dr. Thom Davis Reveals the Conejo Valley’s Explosive Geologic History. See the Recording Here

Dr. Thom Davis, a California State registered geologist and founder and director of the nonprofit Geologic Maps Foundation, was the second guest in COSF’s 2024 Speaker Series on September 18, with his presentation “Trail Geology: A Look at Rock Formations, Faults and Landscapes in the Conejo Open Space.” He began by noting our open Read more…

Landscape Expert Shares Guidelines for Gardening with Natives—and Why. See the Recording Here

Erik Oberg, owner of native-plant landscape design company Acorn Design Studios and chair of the Conejo Valley Audubon Society’s Conservation Committee, gave a talk in December 2023 about native plant gardening to a group of COSF open space enthusiasts. He walked the audience through his “Top 10 Reasons to Go Native,” as Read more…

Water expert Jennifer Lancaster explains ‘weather whiplash’ phenomena –plus a recording of the presentation.

On June 28, Jennifer Lancaster, MS, appeared as COSF’s second guest in the 2023 Speaker Series as part of our special “Sustainability” theme. In “Water: Where it comes from, how we use it, where it goes—and why it matters” Lancaster, who is the principal resource specialist at the Calleguas Municipal Water District, Read more…

Athens Service waste bin

How to do your garbage right: Tips from our Speaker Series “Trash Talk” experts, and the RECORDING of the presentation

If you took away nothing else from COSF’s March 29 Speaker Series panel “Talkin’ Trash: How to Do Your Garbage Right,” we hope you at least memorized these three numbers: 1-2-5. Those represent the types of single-use plastics that actually are recyclable. If you see a 1, 2 or 5 Read more…

Board members at the COSF booth at Native Plantpalooza & Eco Fest

Inaugural Native Plantpalooza & Eco Fest Draws Crowds of Plant Enthusiasts

On Saturday, October 1, COSF launched a live event as part of its popular Speaker Series: Native Plantpalooza & Eco Fest at Conejo Creek North Park. The first-year, free event, which was blessed with mild, sunny weather, featured beekeepers, butterfly experts, master gardeners, naturalists, and others.  Attendees enjoyed presentations from Read more…

View the recording of Betina Loudermilk’s talk about the plight of the Western monarch butterflies and what you can do to help them survive

For COSF’s summer 2022 Speaker Series virtual presentation on June 8, butterfly educator Betina Loudermilk of Betina’s Little Farm & Butterfly Garden gave a fact-filled presentation about the East and West Coast monarch migrations and lifecycles. She discussed the mysterious resurgence of the Western monarchs and the grave threats they Read more…

View Dr. Sean Anderson’s talk about the impact of ‘global weirding’ in the Conejo Valley and what you can do to slow it

For COSF’s first 2022 Speaker Series virtual presentation on March 2, conservation ecologist Dr. Sean Anderson examined the multiple threats posed to the Conejo Valley by global warming—or “global weirding,” as he calls it because of the bizarre weather events it causes. Dr. Anderson, who chairs the Environmental Science and Read more…

Wildlife-friendly tips from the California Wildlife Center and the video “Wildlife in Our Neighborhood” presented by Jenn Guess

Jenn Guess gave her COSF audience a very enthusiastic and spirited talk to address common ways wild animals get injured and end up at the California Wildlife Center for rehabilitation, where she works. The CWC receives 30,000 phone calls a year about injured wildlife, and takes in 4,300 animals annually, Read more…