Welcome to BloomTracker!TMBloomTracker shows you where and when to see wildflowers throughout the season in San Mateo, Santa Clara, and Santa Cruz counties, while encouraging responsible recreation.
INSTRUCTIONS1. Read the Respect Wildflowers Pledge below.
2. Click Agree and Subscribe and enter your information.
3. You'll be sent an email with a password that will allow you to open the Wildflower Sightings and Wildflower Events screens below.I agree to this RESPECT WILDFLOWERS PLEDGE to help preserve wildflower habitats, Recreate Responsibly, and 'Don't Doom the Bloom!' by abiding by the following:1. STAY ON THE TRAIL - If you venture off trail, you run the risk of trampling both active blooms and their habitat.
2. TAKE PHOTOS, NOT FLOWERS - Picking wildflowers prevents them from spreading their seeds, diminishing future blooms.
3. RESPECT THE RULES - Rules are meant to protect both you and the environment.
4. PACK IT IN, PACK IT OUT - Try to leave the area even better than you found it!
5. HAVE A BACKUP PLAN - Your first choice may be full so be prepared with nearby alternatives.
6. LOVE PEOPLE LIKE FLOWERS - Go slow and say hello!
7. HAVE FUN! - Have fun exploring and learning about flowers.
WILDFLOWER SIGHTINGS
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SUBMIT YOUR WILDFLOWER SIGHTINGS!
BloomTracker is a community effort supported by user submissions. Use the form below or click here. Together we can help each other enjoy and care for the wonders of nature. Thank you!
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WILDFLOWER EVENTSSAN MATEO COUNTY
• Friends of Edgewood Natural Preserve - Spring Wildflower Hikes
Morning and afternoon hikes on most Fridays, Saturdays, and Sundays until the end of May.
• Coastal Wildflower Day, Venice State Beach
Sunday, May 4, 2025, from 10 AM - 2 PM.
• Bay Nature Talk: Endangered Flowers (webinar)
Wednesday, May 14, from 12 - 1pm. Join Bay Nature Magazine and researchers Bruce Baldwin and Sarah Gordon for a virtual talk about endangered plants in California and how scientists are working to conserve them. Free for members, $5 for nonmembers.SANTA CLARA COUNTY
• Guided Hikes at Máyyan ‘Ooyákma-Coyote Ridge
Available through May (hikes will fill up quickly).
• Coyote Canyon Trail Pop-Up
Saturday, May 3, 2025, 10 AM - 2 PM at Coyote Lake-Harvey Bear Ranch County Park.
• WWW: Wildflowers, Wandering and Wine Hike
Saturday, May 3, 2025, 10 AM - 1:30 PM at Picchetti Ranch Preserve.
• Bay Nature Talk: Endangered Flowers (webinar)
Wednesday, May 14, from 12 - 1pm. Join Bay Nature Magazine and researchers Bruce Baldwin and Sarah Gordon for a virtual talk about endangered plants in California and how scientists are working to conserve them. Free for members, $5 for nonmembers.
• Get Wild with Wildflowers Hike
Saturday, May 31, 2025, 9:30 AM - 12:30 PM at Skyline Ridge Preserve.SANTA CRUZ COUNTY
• Wildflower Weekend at Rancho del Oso
Saturday & Sunday, May 3 and May 4, from 10 AM - 4 PM at the Nature and History Center. Guided walks at 11 AM with activities and crafts all day.
• Bay Nature Talk: Endangered Flowers (webinar)
Wednesday, May 14, from 12 - 1pm. Join Bay Nature Magazine and researchers Bruce Baldwin and Sarah Gordon for a virtual talk about endangered plants in California and how scientists are working to conserve them. Free for members, $5 for nonmembers.
WILDFLOWER RESOURCES
• Santa Clara Valley Wildflower Guide
• Coastal Wildflower Guide (PDF)
• Common Wildflower Guide (PDF)
• A Cyclist’s Guide to the Wildflowers of Santa Cruz
Is there an event or other information we missed? Have other questions or feedback? Please let us know!
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