Dedicated to the preservation of California's native plants

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.

Hot Topics

Invasive Species: Narrow leaf iceplant

Invasive Species: Narrow leaf iceplant

INVASIVE SPECIES REPORT by Mark Skinner | Conicosia pugioniformis Narrow leaf iceplant. Conicosia is in the Aizoaceae family. It is a succulent perennial with a crowded basal rosette of smooth, bright green, upright, linear leaves. Clustered with the leaves are stems with brilliant yellow flowers.

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Exotic Species on the Central Coast

As someone who frequently hikes in our California landscape, I often ponder over the abundance and diversity of exotic species that have naturalized here, and how that came to pass, specifically during the past two centuries. This is

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Into the Fall season

With the Fall season almost upon us it’s time to start planning on preparation for the Winter season. The most important item on the list is weed control. By applying mulch now you will save lot of labor in the future (next Spring & Summer).

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Conservation blog October 2018

We are still awaiting the Draft EIR for the Froom Ranch development at Highway 101 and Los Osos Valley Road. We are also watching very carefully the Trump Administration orders to BLM to examine the oil leasing potential of all of its

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Where Have All the Flowers Gone?

Many visitors to the Carrizo Plain in 2018 were expecting to see the showy displays of wildflowers that earned the area the “Superbloom” designation in 2017…but they came away disappointed. So where did all the wildflowers go?

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2018 Native Plant Sale

2018 Native Plant Sale

Saturday, November 3, 2018, 9am-2pm, Please join us at Pacific Beach High School, 11950 Los Osos Valley Road SLO (at the Target intersection)

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Why Grow Natives from Seeds?

by Marti Rutherford. You have probably wandered the nursery isles looking for the ever more popular native plants being sold. Do you ever consider how those plants have been propagated? Many, if not most, native plants in the nursery trade are propagated by cuttings. The nursery person knows what the plant will look like and behave like

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Event Calendar

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  • Dr. Matt Ritter Book Release
    7:30 pm-8:30 pm
    05-03-2018

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

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

    Matt Ritter Announcement

    A Tour Through Our Iconic Flora

    California Native Plant Society presentation by botany professor and local author Matt Ritter

    May 3 (Thursday) 7:30-8:30 PM @ Vet’s Hall at Grand and Monterey, San Luis Obispo

    Join us for a book release celebration and visual tour of California’s iconic native flora

    There are more than 5,000 native species in California—one in five of which are now rare or endangered.
    Matt Ritter will take attendees on a visual tour through the state’s most iconic flora in a lecture based
    on his new book, California Plants. A richly photographed field guide to the state’s spectacular native
    plants, the book also seeks to raise awareness of the unique beauty that is at risk. Matt will use his beautiful photographs, insight, and humor to share the natural history of California’s fascinating plants. A book signing will follow the presentation.

    Author and Presenter
    Dr. Matt Ritter is a botany professor in the Biological Sciences Department at Cal Poly in San Luis Obispo, California, where he studies California’s native plants and cultivated trees. He’s the author of several books, including the funniest and best-selling guide to California’s urban forest, A Californian’s Guide to the Trees among Us (Heyday, 2011). He won the Cal Poly Excellence in Teaching Award and the International Society of Arboriculture Award for Excellence in Education. He’s an avid woodworker, mason, and gardener.

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Native Plant Pictures on Flickr