February Meeting – Juncaceae and Rhamnaceae

SLO Veterans Memorial Building 801 Grand Ave, San Luis Obispo, California

For the Thursday, February 6, 2025 membership meeting, our speaker will be Reed Kenny on What a Rush - Adventures in the Systematics of Juncaceae (the rushes). Reed is a […]

Intertidal Zone Beach Walk

Estero Bluffs State Park - Villa Creek Pullout F25Q+CGF California, Cayucos, CA, United States

Join Faylla Chapman, Sally Krenn, and Sharon Iranpour for a visit to the intertidal zone during low tide to learn about the multitude of algae species that inhibit the rocky […]

Shandon Library and Las Pilitas Nursery

Shandon Library 195 N 2nd St, Shandon, CA, United States

Start the day at 10am with a one-hour bilingual presentation at the Shandon Library on gardening with California native plants well suited to growing in Shandon and other eastern portions of San Luis Obispo County. Bill Waycott and Zach Tanner will discuss how to select, grow, and use these native plants in your garden. They […]

March 2025 Membership Meeting

Atascadero Library 6555 Capistrano Avenue, Atascadero, CA, United States

The March 2025 membership meeting will occur on Thursday, March 6th, at the Atascadero City Library. The speaker will be Kerri Frangioso on How a Non-Native Disease and Multiple Wildfires […]

Spring Family Sketch and Plant Hike – Three Bridges Oak Preserve

Three Bridges Oak Preserve 9930 Carmelita Ave, Atascadero, CA, United States

Spring has come to Three Bridges Oak Preserve in Atascadero!  Everything is leafing out and blooming. There’s much to see on this easy loop trail. We’ll stop to draw and […]

Coreopsis Hill Hike

Coreopsis Hill 2763 Oso Flaco Road, Arroyo Grande, CA, United States

NOTE: THIS HIKE IS NOW FULL. IF YOU WANT TO BE PUT ON THE WAIT LIST, EMAIL sanluisobispo@cnps.org Join CNPS for a Hike to Coreopsis Hill (in the Guadalupe-Nipomo Dunes) […]

Free

Pine Mountain Hike, Atascadero

Stadium Park, Atascadero F8RP+CQ Atascadero, California, Atascadero, CA, United States

An easy to moderate hike to the top of Pine Mountain in Atascadero led by David Ledger, a native of Atascadero and now a member of the CNPS Shasta Chapter. […]

Malcolm McLeod Annual Field Trip to Shell Creek

Shell Creek Road, Santa Margarita Shell Creek Road and Highway 58, Santa Margarita, CA, United States

The Malcolm McLeod Annual Field Trip on Saturday, April 5, 2025 will be to Shell Creek, one of the outstanding spring wildflower destinations in California. Please note that this annual […]

Seed Swap Day at SLO Botanic Garden

San Luis Obispo Botanic Garden 3450 Dairy Creek Rd, San Luis Obispo, CA, United States

Come swap and share seeds with other plant lovers at the San Luis Obispo Botanical Garden's Seed Swap on Sunday April 13, 2025 from 10-1. As a part of Family […]

East Cuesta Ridge Bike Ride

East Cuesta Ridge Road Parking Lot 9929+36, Santa Margarita, CA, United States

On, Sunday, April 13, join us for a leisurely and moderate bicycle ride with a botanical focus up East Cuesta Ridge. This ride is 10 miles roundtrip with 1,000 ft […]

Sketching at Three Bridges Oak Preserve

Three Bridges Oak Preserve 9930 Carmelita Ave, Atascadero, CA, United States

Sketch and journal on this nature walk at Three Bridges Oak Preserve on Tuesday, April 15, starting at 10 am and lasting approximately 2 hours. Spring has come to Three […]

South Hills Natural Reserve – City of San Luis Obispo

South Hills Natural Reserve - SLO, Bluerock Dr entry 786V+QRV, San Luis Obispo, CA, United States

Come see many of our spring-flowering beauties on serpentine hills, right in the middle of the City of San Luis Obispo. The series of outcrops in this park is strongly […]

Spring Plant Sale 2025

Pacific Beach High School 11950 Los Osos Valley Road, San Luis Obispo, CA

The Spring 2025 Native Plant Sale will be Saturday April 19 from 10 am to 2 pm. Beginning Sunday, April 6, you can pre-order your plants at cnpsslo.org/shop. Click our plant sale page (online pre-ordering ends April 16), read descriptions and view photos of many native plant species/pot sizes to decide which plants are best […]

Bowden Ranch Hike

SLO High School Hill Trailhead 1632 Lizzie St, San Luis Obispo, CA, United States

For a colorful Easter morning workout, consider this hike in the City of San Luis Obispo up Bowden Ranch/ High School Hill on Sunday, April 20. This will be a […]

Sudden Oak Death Blitz

Sudden Oak Death (SOD) is a serious exotic disease that is threatening the survival of oaks and tanoaks in California forests. In SOD Blitzes, volunteers are trained to collect symptomatic […]

2025 Cambria Wildflower Show

Cambria Veterans Memorial Building 1000 Main St, Cambria, CA 93428, Cambria, CA, United States

Hundreds of bouquets of local wildflowers will return to the Cambria Veterans Memorial Building the last weekend in April on Saturday, April 26 from noon to 5pm and Sunday, April […]

Lupine Keying Workshop and May Membership Meeting

SLO Veterans Memorial Building 801 Grand Ave, San Luis Obispo, California

Our next CNPS SLO membership meeting is Thursday, May 1 with an optional free pre-meeting workshop from 6 to 7pm on keying lupines. The May membership meeting will be held […]

Pinnacles National Park

This strenuous hike to Pinnacles National Park will be a joint field trip with the CNPS Monterey Bay Chapter. This hike will go in the west side of the park […]