Jump Links: Major San Antonio Festivals | San Antonio Suburbs (Boerne, NB, San Marcos) | Zoo & Botanical Gardens | Tree Giveaways & Workshops
Earth Day 2026 in San Antonio is more than just a day—it’s a city-wide celebration of sustainability, conservation, and local community. From the massive “Official Fiesta Event” at Woodlawn Lake to quiet, nature-focused workshops in the Hill Country, there is an event for every type of eco-enthusiast.
Whether you are looking to snag a free tree, learn about electric vehicles, or enjoy a family picnic, our comprehensive list has you covered.
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Major Earth Day Events San Antonio
Earth Day Celebration at Woodlawn Lake Park
Image credit: City of San Antonio – Municipal Government
Earth Day 2026 at Woodlawn Lake Park will turn the space into a full-day community celebration of nature, conservation, and sustainability.
Move through more than 70 community partner exhibits, live music, cultural performances, dance showcases, and hands-on family activities spread across the park.
Free tree and plant giveaways will be available while supplies last, along with Fiesta medals and produce bags from the San Antonio Food Bank.
Food vendors will also offer vegetarian and vegan options. You will also be able to ride a free e-trolley to explore different areas of the park, from nature play zones to fitness spaces and live performances.
New additions for this year include a book swap at Woodlawn Gym and an “In Conversation Series” featuring the winner of the 2026 Fiesta poster competition.
When: Saturday, April 18, 2026 | 10:00 am – 2:00 pm
Where: Woodlawn Lake Park, 1103 Cincinnati Ave, San Antonio, TX 78201
How Much: Free
Drive Electric Earth Month Expo
The Drive Electric Earth Month Expo will take place at Woodlawn Lake Park as part of the larger Earth Day San Antonio celebration.
You will be able to explore electric vehicles up close, speak with EV owners and experts, and learn how electric driving can fit into everyday life.
Interactive stations will also guide you through topics like charging, incentives, and sustainability, while community partners and local activations will add to the experience.
When: Saturday, April 18, 2026 | 10:00 am – 2:00 pm
Where: Woodlawn Lake Park, 1103 Cincinnati Ave, San Antonio, TX 78201
How Much: Free
Earth Day Litter Clean Up
A community litter cleanup will bring Earth Day into action as you head out to help remove trash from local public spaces.
All tools and guidance will be provided, and you will work alongside others across the community to make a visible impact.
When: Wednesday, April 22, 2026 | 10:00 am – 12:00 pm
Where: Various locations in San Antonio
How Much: Free
Earth Day Events in San Antonio Suburbs
Earth Day & Arbor Day Community Celebration (New Braunfels)
The New Braunfels Earth Day & Arbor Day Celebration will take place at Headwaters at the Comal with a strong focus on trees, conservation, and community education.
You will see over 1,000 native Texas trees given away, along with opportunities to learn about local environmental efforts.
The event will also highlight the city’s long-standing Tree City USA commitment, showing how tree protection is built into both planning and maintenance. Educational exhibitors, vendors, and community partners will add to the experience throughout the day.
When: Saturday, April 18, 2026 | 9:00 am – 12:00 pm
Where: Headwaters at the Comal, 333 E Klingemann St, New Braunfels, TX 78130
How Much: Free
Boerne Farmers Market Earth Day Celebration
Boerne Farmers Market will host an Earth Day celebration just off the Hill Country Mile. You will find a Butterfly Bubble Tent experience alongside activities designed for children and families.
When: Tuesday, April 21, 2026 | 4:00 pm – 7:00 pm
Where: Boerne Farmers Market, 402 E Blanco Rd, Boerne, TX 78006
How Much: Free
Earth Day Scavenger Hunt
Image credit: Visit Boerne
An Earth Day Scavenger Hunt will take you through the Cibolo Nature Center and Herff Farm. Follow clues, observe nature closely, and take part in activities tied to the global City Nature Challenge.
When: Saturday, April 25, 2026 | 9:00 am – 2:00 pm
Where: Cibolo Nature Center, Boerne, TX 78006
How Much: Free
Zoo & Botanical Garden Celebrations
Earth Week at San Antonio Botanical Garden
Earth Week at the San Antonio Botanical Garden will stretch Earth Day into a full week of nature-focused experiences. Join classes, bring home native plants, take part in wellness activities, or explore the gardens on a self-guided walk
When: Wednesday – Saturday, April 22 – 25, 2026 | 9:00 am – 2:00 pm
Where: San Antonio Botanical Garden, 555 Funston Pl, San Antonio, TX 78209
How Much: Some events require pre-registration
Earth Day at San Antonio Zoo
Image credit: San Antonio Zoo
Earth Day at the San Antonio Zoo will take place on the Great Lawn with a day built around learning and exploration. Move through interactive education stations, community partner activations, and themed activities designed for all ages.
Special appearances and roaming entertainment will add more things to look forward to throughout the event, keeping the experience active and engaging.
When: Wednesday, April 22, 2026 | 10:00 am – 2:00 pm
Where: San Antonio Zoo, 3903 N St Mary’s St, San Antonio, TX 78212
How Much: Included in admission
Tree Giveaways & Workshops
San Antonio Parks & Rec Tree Giveaway
Image credit: San Antonio Parks and Recreation Department
A tree giveaway event hosted by Parks and Recreation will bring environmental education and community resources together in one place. You will be able to adopt a shade tree while learning about healthy living and local environmental efforts.
Family activities will be part of the experience, including a fishing activity led by Fin Addict Angler.
When: Tuesday, April 28, 2026 | 10:00 am – 1:00 pm
Where: Elmendorf Lake Park, 3700 W Commerce St, San Antonio, TX 78207
How Much: Free
Earth Day Seed Bomb Workshop (Boerne)
A seed bomb workshop in Boerne will give kids a hands-on way to engage with Earth Day through creativity and planting. You will shape seed bombs using pre-made materials, choosing colors, seeds, and molds to create small plantable bundles.
Each child will make multiple seed bombs and take them home with display or gift cards for planting or sharing.
When: Thursday, April 23, 2026 | 5:00 pm – 7:00 pm
Where: The Downtown DIY, 206 W Highland Dr, Boerne, TX 78006
How Much: Free
Common Questions about Earth Day Events San Antonio
What is the “City Nature Challenge”?
It’s a global event that usually coincides with Earth Day, where residents use their phones to document as many wild plants and animals as possible in their city. San Antonio is a regular participant!
Can I get a free tree at all events?
No. While the Woodlawn Lake and New Braunfels events have large tree giveaways, most others focus on education and activities.
Looking for more? See the upcoming Weekend Events in San Antonio.
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