The mission of the California Native Plant Society is to increase understanding and appreciation of California’s native plants and to conserve them and their natural habitats through education, science, advocacy, horticulture and land stewardship.

Dedicated to the preservation of California's native plants

Fiscalini Ranch, January, 2019. Cambria, California. Marlin Harms.

Hypogymnia sp., Tube Lichen. Marlin Harms.

Phaeolus schweinitzii, Dyer’s Polypore.
Marlin Harms.

Mycena purpureofusca, Cone-dwelling Mycena. On cone of Monterey Pine, Pinus radiata. Marlin Harms.

Coastal Lichens on Rock–Caloplaca & Acarospora. 
Marlin Harms

Gymnopilus spectabilis, Laughing Gym, After Showers. Marlin Harms.

Hot Topics

The Garden Corner

most California native plants bloom in March and April. Then they will began a vegetative growth spurt that will end in early September after which they will go into a dormant period due to our Mediterranean climate.

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CNPS Education Program

CNPS Education Program

our chapter had the opportunity to work with Bev Gingg and Learning Among the Oaks, a program that has been working to introduce young children to the oak woodland community at the Santa Margarita Ranch, and, more recently, at the Pismo Preserve

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Mugwort

Mugwort

This plant was used for a variety of uses throughout California. The Chumash made a tea to put on poison oak to relieve the symptoms. They also made a felt cone from the dried leaves to burn on a patients skin to cauterize a wound.

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Seed Collection of Early Bloomers

Buttercup seeds are turning brown even as more buds open. Collecting will be an ongoing process which I can do easily since it is in my garden. This is just a reminder that seed season is upon us.

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Matilija poppy

Matilija poppy

The cover of the May-June Obispoensis features a watercolor of Matilija poppy, Romneya coulteri, by Heather Johnson. Dirk Walters provides an introduction and notes to the description written by Alice Meyer back in the 1970’s or early 80’s for the local Audubon Chapter Newsletter.

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Wildflowers of San Luis Obispo + Wildflowers of the Carrizo Plain

Wildflowers of San Luis Obispo + Wildflowers of the Carrizo Plain

The Revised and Expanded 2nd Edition of our wonderful Wildflowers of San Luis Obispo, California has arrived just in time for the holidays! 20 new plants have been added and the SLO City open space map has been updated including trailhead directions. The new cover photograph of Woolly Blue Curls with the distant view of an oak studded grassy hillside puts you on our Central Coast.

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Event Calendar

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  • Developing a Web-based Tree Identification Key
    7:00 pm-9:00 pm
    06-01-2017

    801 Grand Ave, San Luis Obispo, CA 93401, USA

    801 Grand Ave, San Luis Obispo, CA 93401, USA

    JUNE 1 IS OUR LAST MEETING TILL FALL

    Developing a Web-based Tree Identification Key

    The June speaker will be our McLeod scholarship grad student awardee, Kyle Nessen. Kyle’s project is in collaboration with CalFire to create a photographic key to tree identification on the Urban Forest Ecosystems Institute website.

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  • Spring Garden Tour & Plant Exchange with Expo
    11:00 am-2:00 pm
    06-03-2017

    993 Ramona Ave, Grover Beach, CA 93433, USA

    993 Ramona Ave, Grover Beach, CA 93433, USA

    Spring Garden Tour & Plant Exchange with Expo

    June 3, 2017

    Ramona Garden Park Center
    993 Ramona Avenue, Grover Beach
    Self-Guided Garden Tour from 1:00-4:00

    The Plant Exchange is an opportunity for people to bring plants from their gardens and swap them out for something new from someone else’s garden, and we would love to have you participate with that as well. We have some people that bring several plants and others that bring just one, and the City usually contributes some plants as well as small containers and soil for re-potting.

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    CNPS will host a booth at this event. If you would like participation and talk California native plants in the garden please contact Mardi Niles at mlniles@sbcglobal.net.

    If you have California native plants that you would like to donate to the exchange please come and bring your plants.

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  • Growing Grounds Farm Plant Sale
    11:00 am-4:00 pm
    06-20-2017

    3740 Orcutt Rd, San Luis Obispo, CA 93401, USA

    3740 Orcutt Rd, San Luis Obispo, CA 93401, USA

    Growing Grounds Farm is a non-profit wholesale nursery located in San Luis Obispo. Growing Grounds offers California natives, Mediterranean perennials, succulents, restoration and mitigation plants, a wide variety of grasses, and a selection of perennial herbs.

    Growing Grounds Farm is a wholesale nursery and does not sell directly to the public except on the 3rd Tuesday of each month from 11 a.m. to 4 p.m

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July
Volunteer at the Hoover Herbarium

During the volunteer sessions at the Hoover Herbarium, people can take part in any number of activities.  One of our primary responsibilities is mounting new specimens.  This involves taking dried and pressed plants and glueing them to paper.  When we mount plants, we do it in such a way that those specimens will last for hundreds of years.  Each specimen is a physical record of what plants occurred where and when.  Without this valuable information we wouldn’t know when a species goes extinct, expands or contracts its range, or where species occur.  After mounting, the specimens are databased and geo-referenced.  Then they are filed into the main collection. We have over 80,000 specimens at the Hoover Herbarium.  We are also working on a SLO Voucher Collection, which will contain one representative specimen for each species in the county.  Volunteers look through our specimens and pick the one that should be added to the Voucher Collection.  Additionally, we are actively working on our moss and lichen collections.  Volunteers can choose what aspects of the work they would like to participate in.  Any and everyone is welcome. The Hoover Herbarium is located on the 3rd floor of the Fisher Science Building (33) in rooms 352 and 359.

Starting Sept 18th, the herbarium volunteers sessions will be Mondays from 3-5 pm and Fridays 9 – 1.
Parking permits are required on campus Monday through Thursday, 7:00 am through 10:00 pm; and Friday, 7:00 am through 5:00 pm. You can either buy a $6 day pass, a $4 3-hr pass, park in a metered space, ride the bus, or park off campus and walk in.  Questions: email Jenn Yost at jyost@calpoly.edu

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