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.

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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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  • 04
    04.October.Thursday
    seeds image

    6:00 pm-7:15 pm
    10-04-2018
    SLO Vets Hall
    801 Grand Ave, San Luis Obispo, CA 93401, USA

    The seed exchange is back!

    The workshop time slot (6.00-7.15) before the October meeting is reserved for our second seed exchange. So think seed collection. There will be a few minor differences. There has been a request to provide a picture of the plant that the seeds will become. This will help those who might not be familiar with the names choose plants they want to try. Our chapter will supply seed envelopes so we will be asking those bringing seeds to just bring a bulk collection of cleaned seeds labelled with genus and species, where and when it was collected and a picture. There is no need to spend your time separating into little envelopes.

    The seed exchange is an opportunity to share seeds from native plants which are growing in your landscape. We will not sell seed. Do remember the legal issues of seed collection. It is illegal to collect seed from private property and public spaces without permission. If you happen to have access to rare plant seed DO NOT collect it. That seed should be reserved for seed banks and those with the skills to nurture the plant to maturity.

    Keep in mind that a collection of plants grown from seed has more genetic diversity than plants grown from cuttings. Depending upon what your goal is that may be a positive point. But garden grown plant seed is not ideal for restoration planting. One would want the more pure genetics of a wild population to use for restoration. Plants grown from seed might not be like the parent plant.

    There is an article on our website under Resources that has information on seed collection and cleaning (link). You might find it helpful. Find it under Resources > Growing Natives.

  • 04
    04.October.Thursday

    7:00 pm-9:00 pm
    10-04-2018
    SLO Vets Hall
    801 Grand Ave, San Luis Obispo, CA 93401, USA

    Bring a dessert to share and your 15 best digital photos. Please bring them on a flash drive and number/letter titles consecutively if you wish to show them in a particular order.

    The meeting will be preceded by a Seed Exchange at 6pm.

  • 12
    12.October.Friday

    6:00 pm-8:00 pm
    10-12-2018
    Spikes Pub
    570 Higuera St #104, San Luis Obispo, CA 93401, USA
  • 14
    14.October.Sunday

    9:00 am-12:00 pm
    10-14-2018
    Three Bridges Oak Preserve
    9943-9949 Carmelita Ave, Atascadero, CA 93422, USA

    Sunday, Oct. 14th, 9:00 am to 12:00 noon, Autumn walk in Atascadero.

    Join us on the new trail at Three Bridges Oak Preserve. This trail starts in a lovely blue oak woodland, ascends into chaparral, and ends in stands of madrone and views towards the east. It is 4 miles up and back, ascending 800 ft.  Come to learn the easy to identify plant and animal species.  To reach the trailhead, use a smart phone for guidance, because there are several windy streets involved.  Make sure to bring water and snacks. Sturdy shoes, sunscreen, hats, and layered clothing are recommended. No RSVP needed and dogs on a leash. Contact Bill Waycott, 805-459 2103. Rain or threat of rain cancels.

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