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

Defeat Dudleya Poaching through Propagation

Defeat Dudleya Poaching through Propagation

California Dudleyas are easy to grow. Illegal wild collection can be disrupted via legal propagation. I propagate Dudleya with middle school science classes. If seventh-graders can grow these natives from seed, you can too. Home gardens are a good source of Dudleya...

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Sudden Oak Death Not Yet Arrived in SLO County

Good news on the Sudden Oak Death front. As a result of last spring’s Sudden Oak Death Blitz, and additional collecting by agency staff, we find that. as yet, there were no positive finds in SLO County. In all, 699 trees were surveyed, of which 18.7% appeared symptomatic, but which did not test positive in the lab.

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In Memory of Bill Deneen

In Memory of Bill Deneen

Bill Deneen, long time CNPS member, Hoover Awardee, and champion of the Guadalupe-Nipomo Dunes died at the age of 93 in September. Bill taught biology at Santa Maria High School  for 25 years, during which time he became a passionate advocate for the environment.

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Exotic Species on the Central Coast Part II

Exotic Species on the Central Coast Part II

Last month I wrote about my curiosity for the origin and distribution of some of the invasive plants that have become naturalized on the Central Coast. I continue this month with exerts from historical accounts. These come from an article published in the Bulletin of the Southern California Academy of Sciences, October 1920, …

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Chapter Meeting: Plant Propagation by Elliot Paulson

Chapter Meeting: Plant Propagation by Elliot Paulson

CHAPTER MEETING Nov. 1st  2018 - Thursday - 7:00 pm Veterans Hall, Monterey and Grand, SLO Mixer and Browse Sales Table 7:00 pm, Program 7:30 pm PLANT PROPAGATION by ELLIOT PAULSON Elliot graduated from Cal Poly in business finance, and horticulture. He established...

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Blue Elderberry (Sambucus coerulea or mexicana)

Blue Elderberry (Sambucus coerulea or mexicana)

ETHNOBOTANY NOTES: Blue Elderberry (Sambucus coerulea or mexicana) A delicious, wildlife attracting addition to your garden This last year, I have become the Johnny Appleseed of elderberry plants. Although, I plant the elderberry plants and not the seeds. I have been...

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Chapter Board Elections 2018-2019

The Nomination Committee presents the following slate of candidates:  President: Bill Waycott, continuing; For Vice President: Nishanta ‘Nishi’ Rajakaruna; Treasurer: Dave Krause, continuing; For Secretary: Cindy Roessler.

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Capturing California’s Flowers: An image is worth a thousand words

Digitization of herbarium specimens—capturing images and label data in digital formats—remains an enormous task for the world’s herbaria. For 22 institutions in the U.S. state of California, this job has become easier with a new 4-year, $1.8 million National Science Foundation grant (Award # 1802301) to establish a new California Phenology Thematic Collections Network (TCN). Spearheaded by Dr. Jenn Yost …

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Beechey ground squirrel

California ground squirrel aka Beechey ground squirrel (Otospermophilus beecheyi), may look cute or even cuddly, but ground squirrels could be the worst things to hit your garden since your cousin came to visit in his RV. No, seriously, this last year saw an explosion of the squirrel population due to the late but heavy March rain…

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Vitis californica (California grape)

Vitis californica (California grape)

As well as reddish fruits, this variety of wine grape produces bright red leaves in the fall. Enter DNA to the story. Several DNA studies proved that the cultivar ‘Roger’s Red’ is truly a hybrid between the native California grape and the European wine grape Vitis vinifera var. Alicante Bouschet.

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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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Event Calendar

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  • Chapter Meeting February 2018
    7:00 pm-9:00 pm
    02-15-2018

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

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

    Predicting Future Climate Change and its Impacts

    Dr. David Chipping

    Dr. David Chipping is Emeritus Professor of Geology from Cal Poly. He received a BS in geology from the Cambridge University, and an MS and PhD in geohydrology and geology from Stanford University. He joined the faculty at Cal Poly in 1971. While spending much of his life kicking plants out of the way to see the rocks, his wife, Linda, got him to kick the rocks to see the plants. In the late 1980s he started doing conservation work with the chapter and continues to this day. He has been state CNPS Conservation Director, has served on the CNPS Board of Directors, has served as chapter
    president, and is a Fellow of the Society. He is heading up a breakout session on Climate Change at the CNPS Conservation Conference the week before our meeting and will also report on how that came out.


    Chapter meetings are generally held the first Thursday of the month at the San Luis Obispo Vets Hall on Grande Ave near the corner of Monterey Street.

    Our meetings kick off with a social time that begins at 7:00 p.m.  This  is a time to sample the treats that members have brought along to share,  and browse the book table. The meeting starts at 7:30 p.m. with some  brief announcements before the program begins.

    Speakers and notes from Chapter Meetings are documented in each  Obispoensis newsletter. Please see the Obispoensis archive for PDF file  of each newsletter.

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  • Lopez Lake Plant and Bird Walk
    9:00 am-12:00 pm
    02-24-2018

    1928 Upper Lopez Canyon Rd, Arroyo Grande, CA 93420, USA

    1928 Upper Lopez Canyon Rd, Arroyo Grande, CA 93420, USA

    Saturday, February 24, 9:00 am, Lopez Lake Plant and Bird Walk

    Join Audubon, California Native Plants, and Sierra Club on a plant and bird walk. Expect to hike about 4 miles with a 200-foot elevation gain. We will be looking for waterfowl, which should be plentiful and visible along the trail, as well as an abundance of early spring flowers. A continuation hike to the top of the Duna Vista lookout is an option.  Directions: From Arroyo Grande, follow the signs towards Lopez Lake. After crossing the dam, but before entering Lopez Lake County Park, turn right on Hi Mountain Road and proceed 0.8 miles to the junction of Upper Lopez Canyon Road. Bear left on Canyon Road and proceed 3.6 miles to the old entrance of the Boy Scout Camp (now part of the County Park). Enter the gate, if open, if not park along the side of the road. Restrooms are available. No day use fees will be charged. Bring water and snacks, and dress in layers for changing weather. A hat, sunscreen, and sturdy shoes are recommended. For more information, call Bill at (805) 459-2103 or bill.waycott@gmail.com. Rain or the threat of rain cancels.

    Green-bark Ceanothus

    Chalk Dudleya image

    Chalk Dudleya

    Henbit image

    Henbit

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