List of Events

Below is a quick-reference guide to events currently offered, listed by organization. Details and further information for all events listed can be found in our Calendar. Websites for each organization listed are given for your convenience.

California Botanical Society

California Botanical Society (CBS) offers monthly academic botany talks through their botany speaker series, and sponsors a Graduate Student Symposium every other year. Their website is at https://calbotsoc.org/

  • April 5, 2025. Symposium. 30th Graduate Student Symposium.

California Invasive Plant Council

California Invasive Plant Council (Cal-IPC) offers training sessions when their budget allows. Symposia continue to be offered yearly. Visit Cal-IPC at https://www.cal-ipc.org/.

  • November 12 to 15, 2025. Symposium. Beyond Eradication: Resistance, Resilience, and Recovery.

California Native Grasslands Association

The California Native Grasslands Association (CNGA) offers various events throughout the year. For details and registration information, please go to cnga.org.

  • April 4, 2024. Field day. CNGA’s 17th Annual Field Day at Hedgerow Farms.

California Native Plant Society

CNPS offers periodic workshops and professional training courses. Discounted registration fees are available to CNPS members. See https://www.cnps.org/education/workshops for full descriptions and registration information.

Friends of the Ahart Herbarium

Friends of the Ahart Herbarium (formerly Friends of the Chico State Herbarium) offers workshops and presentations throughout the year. Their events calendar is at http://friendsoftheahartherbarium.org/

  • February 20, 2025. Zoom presentation. Forest management in a hot and fiery future: lessons from the 2024 Park Fire.

Friends of the Jepson Herbarium

Friends of the Jepson Herbarium offers weekend workshops, most of which will be in person, and mini-workshops, all of which are virtual. All require pre-registration and fees. (Wait-listed workshops are not included in the following list.) Details can be found at ucjeps.berkeley.edu/workshops/

  • March 8, 2025. Virtual workshop. Overview of the major changes incorporated in Revision 13 of the Jepson eFlora.
  • March 15 & 16, 2025. Workshop. An Introduction to botanical illustration.
  • March 23 & 24, 2025. Workshop. Intermediate bryology.
  • May 3 & 4, 2025. Workshop. Introduction to California botany.
  • May 16 to 18, 2025. Workshop. Lichens of Mendocino.
  • June 25 to 27, 2025. Workshop. Celebrating 75 years of the Jepson Herbarium!
  • June 27 to 29, 2025. Workshop. Celebrating 75 years of the Jepson Herbarium!
  • July 7 to 9, 2025. Workshop. Celebrating 75 years of the Jepson Herbarium!
  • July 9 to 11, 2025. Workshop. Celebrating 75 years of the Jepson Herbarium!
  • August 23, 2025. Virtual workshop. Where does food come from?
  • November 14 to 16, 2025. Workshop. Mushrooms and mycorrhizae of Mendocino.

Horsetown-Clear Creek Preserve

Horsetown-Clear Creek Preserve (HCCP) sponsors a series of outdoor events each spring and fall. Events typically start at the HCCP parking area on Clear Creek Road, about 7 miles west of Highway 273, just west of the Clear Creek bridge, and are free. Please see horsetownclearcreekpreserve.org for further information.

Mount Lassen Chapter CNPS

Mt. Lassen Chapter CNPS, based out of Chico, offers many fun field trips and presentations throughout the year. Their website is https://mountlassen.cnps.org/

  • February 22, 2025. Field trip. Yahi Trail, Upper Bidwell Park.

North Coast Chapter CNPS

North Coast Chapter CNPS, headquartered in Arcata, is a busy chapter that sponsors plant sales, wildflower shows, walks, talks, field trips, and camping and backpacking adventures. Their website is https://northcoastcnps.org/

  • Every first Saturday of the month. Garden tour. Native plant garden tour.
  • March 12, 2025. Presentation. Beneath our feet: harnessing the power of the soil seed bank for restoration.
  • March 16, 2025. Field trip. Redwood Creek field trip.
  • April 6, 2025. Field trip. De los carpelos nacen los frutos / From carpels come fruits.
  • May 2 to 4, 2025. Wildflower show and plant sale. Details TBA.

Shasta Birding Society

Wintu Audubon Society offers birding excursions and presentations all year long. Their website is at https://www.wintuaudubon.org/

  • February 22, 2025. Birding field trip. Llano Seco Unit – NWR.

Shasta Chapter CNPS

Shasta Chapter CNPS sponsors a diverse array of activities and events throughout the year, all of which will be posted on this blog site. Please see our website at https://chapters.cnps.org/shasta/ for more information about our chapter.

  • February 20, 2025. Presentation. Conserving blue oaks in the face of drought and climate change.

Shasta Environmental Alliance

Shasta Environmental Alliance (SEA) has many diverse events and activities running throughout the year. See their website at https://www.ecoshasta.org/.

    Shasta Land Trust

    Shasta Land Trust’s Wildways series of fundraising events begin in April and run through the rest of the year. All events require fees and reservations. For further information, visit their site at https://www.shastalandtrust.org/.

    Siskiyou Field Institute

    Siskiyou Field Institute (SFI), based out of Deer Creek Center in Selma, Oregon, offers many classes and field courses on a diverse set of topics throughout the year. All classes require reservations and fees. SFI’s website is at https://siskiyoufieldinstitute.org/.

    The Nature Conservancy

    The Nature Conservancy (TNC) sponsors occasional field trips throughout the year. Contact information varies with event, and is provided with every listing.

    Turtle Bay Exploration Park

    Turtle Bay’s McConnell Arboretum & Botanical Gardens Nursery offers occasional presentations, weekly walks through their botanical garden, and an annual plant sale. Turtle Bay Exploration Park website is at https://www.turtlebay.org/

    • Every Saturday. Garden tour. Guided garden walks with the horticulture manager.

    US Forest Service

    The US Forest Service provides presentations, field trips, and volunteer opportunities throughout the year. Contact information varies with sponsoring forest; details are provided for each event listed.

    & More!

    Here are the now-and-then events that don’t fit in any of the above categories, but are nonetheless worthwhile and of great interest to California’s native plant lovers!