Upcoming Events
Museum Day- Happy Birthday, USA!
In honor of the 250th birthday of the United States, come and learn about how July 4 has been celebrated through the years.
Admission is free!
Naturalist Michael Marchiano- Reptiles
Join us for a fascinating presentation on the Snakes, lizards and turtles of our county. Learn the facts about the only venomous snake in Northern California. Naturalist Michael Marchiano has studied the local Hepa fauna since childhood and will entertain you with stories and facts about these often-maligned creatures.
FREE for RRHC members!
Naturalist Michael Marchiano- Mammals
Join us for a presentation by Naturalist Michael Marchiano on the subject of local mammals. Many of these creatures are not commonly seen because of their nocturnal habits, secretive lifestyle, fear of man, and diminishing numbers but Contra Costa County is home to a surprising number of species from tiny shrews to magnificent Mountain Lions, from aquatic otters to flying bats.
Free to RRHC members!
Naturalist Michael Marchiano- Spiders
Join us for a special presentation on our native tarantula, Aphonopelma iodius as well as other spider species common to our area. Autumn is “spider” season when spiders breed, make egg cases, and propagate future generations. Learn about their amazing life cycle, hunting methods, importance to the ecosystem, and hopefully dispel many of the myths and ignorance people have about spiders.
Free to RRHC members!
Naturalist Michael Marchiano- Mushrooms & Fungi
Join naturalist Michael Marchiano for a photo introduction of fungi and mushrooms of Contra Costa County. See the array of beautiful shapes and colors of some of our local varieties. Learn some very basic mycology (the science of fungi) as well as learning about the local death cap Amanita phalloides.
Free to RRHC members!
Naturalist Michael Marchiano- Butterflies
Our county has over 75 species of butterflies that can be found throughout the year. Join naturalist Michael Marchiano for a lecture and presentation showing photos of over 60 of them. Learn the host plant for their catepillars and many other fascinating facts about these beautiful insects that fly through our gardens, parks and open spaces.
FREE for RRHC members!
Museum Day- Houseplants
Come and learn about the health benefits of having houseplants in your home!
Admission is free!
Naturalist Michael Marchiano- Common Native Local Trees and Shrubs
Learn fascinating facts about our common oak trees, our only native Maple and the beautiful red barked Madrone. Learn to recognize and name ceanothus, manzanitas, chamise, sages and more that make up the foliage covering our hillsides.
FREE for RRHC members!
Urban Farm Spring Expo and Plant Sale
Join us at our annual Spring Expo and Plant Sale (hosted by Rodgers Ranch Urban Farm) as we celebrate Spring! There will be various vendors selling herbs, vegetables, plants, and artisanal products. We’ll have food and music too. Shop early for the best selection - the fun starts at 10AM!
Naturalist Michael Marchiano- Common Birds of Contra Costa County
Join Naturalist and Audubon trip leader, Michael Marchiano for a presentation on common birds of Contra Costa County. This will be a fun and informative introduction to local birds with great photos from some local professional wildlife photographers!
FREE for RRHC members!
Naturalist Michael Marchiano- Mt. Diablo Wildflowers
Michael Marchiano returns with fascinating stories and information about the plant and animal life around this area. He begins this year’s series with photos and information about the beautiful wildflowers found on Mt. Diablo.
This first session is FREE to ALL!! Become a member and all future ones will be FREE as well.
Museum Day- Tea Time
Come enjoy a warm cup of tea as we share ways to make your own blends for your enjoyment and health.
Rodgers Ranch Urban Farm FREE Pruning Class
Learn to Prune Like a Pro
Join us for an outdoor lab workshop focused on practical, real-world pruning. Taught by professional arborists from SavATree. Learn what to prune – and what not to. We’ll discuss both fruit and non-fruit trees.
FREE EVENT - Please visit our page below for more details!
Museum Day- Beautiful Butter
Come find out all of the ways to make butter. You can even try your hand at an old fashioned butter churn!
Rodgers Ranch Annual Meeting
Join us as we review our 2025 accomplishments and present our plans for 2026. Refreshments will be served. The Winter gardens are beautiful!
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Build it.
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Sing it.
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Grow it.
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Dream it.
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Play it.
