All the latest information

Hoover Award – 2014

The Hoover Award The Hoover Award was established by the San Luis Obispo chapter in 1974 to recognize a person that has made significant contributionto the success and well being to the SLO chapter of CNPS. The selection is made at a meeting of the past recipients,...

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Hoover Award – 2013

The Hoover Award The Hoover Award was established by the San Luis Obispo chapter in 1974 to recognize a person that has made significant contributionto the success and well being to the SLO chapter of CNPS. The selection is made at a meeting of the past recipients,...

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Nipomo Native Garden Volunteer Work Day

  Participate - Events & News Internet: Volunteer Work Day - Saturday Feb. 7th 2015 @ 9:00am We will be hosting our monthly volunteer work day this Saturday morning, weather permitting.  You all may want to pray for the forecast...

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Native Plant Week

The SLO chapter of CNPS plans to form a committee to coordinate the activities for Native Plant Week (April 11 to 19, 2015). If you would like to be involved and have suggestions for Native Plant Week activities contact Bill Waycott, Possible...

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Conservation February 2015

January has been busy, with the Oster Quarry EIR going before the Planning Commission. I have given my greatest attention to some massive changes to Inland Zoning that will allow fast tracking of wind and solar projects that are up to 160 acres in size. While CNPS...

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President’s Notes February 2015

President's Notes from Outgoing President These are my last notes to this column, as the President's position has passed into the capable hands Of Bill Waycott. Similarly, Dr. David Keil is replacing Dr. Matt Ritter in the Vice-President's position. Matt has done a...

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February Chapter Meeting Featuring Natalie Rossington

Title: February Chapter Meeting Featuring Natalie Rossington Location: San Luis Obispo Vets Hall, 801 Grand Avenue, San Luis Obispo Description: Program: Natalie Rossington, a Master’s student at Cal Poly. Natalie is studying how rare species are able to exist near...

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Three Bridges Oak Preserve project

Three members of CNPS attended the Atascadero City Council meeting Tuesday night to witness the council's deliberation of the Three Bridges Oak Preserve project. This 100 plus acre property was originally proposed for open space back in 1988 and has been slowly making...

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CNPSSLO Banquet 2015

California Native Plant Society -- San Luis Obispo Chapter Annual Potluck Banquet Saturday, January 24, 2015 5:30-9:30 pm Morro Bay Community Center 1001 Kennedy Way, Morro Bay   Social Hour - 5:30 pm Buffet Style Potluck Dinner - 6:30 pm Chapter business - 7:30...

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Planting Natives

Last month's topic on planting California natives to provide habitat for bees was well received. Continuing on that same theme is this month's topic: native plants that provide nectar for hummingbirds. Humming-birds such as Anna's (Calypte anna) live year-round on the...

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CNPS Educational Grants

CNPS Educational Grants Program adds two new grant funds this year! In 2014, two anonymous donors set up two new awards for students studying our native flora! One honors Joan Stewart, recent chair of the Educational Grants Committee and volunteer with CNPS for over...

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Chapter Elections

The SLO Chapter President has appointed Jim Johnson as nominating committee chair, and the nominating committee is preparing a slate of candidates that will be presented at the December general meeting. At that same meeting, nominations will be accepted from the...

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Conservation December 2014

Projects before the committee include consideration of the Reissued Draft EIR for the Phillips Refinery Rail Spur on the Nipomo Mesa and the Final EIR for the Oster Quarry east of Santa Margarita. Most of the comments we made on the original DEIR for Phillips were...

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President’s Notes December 2014

Wouldn’t you know it? Months and months of rainless skies, and then it rains on the plant sale. In spite of the adverse conditions, it went pretty well and I want to thank all of you who came and helped out. Continuing in the horticultural vein, Susan Kryzwiki’s...

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Landscape to Catch the Rain

Landscape to Catch the Rain in Arroyo Grande, San Luis Obispo and Nipomo At our November meeting program, the state CNPS horticultural director reminded us that an excellent way to help our native gardens is to capture and keep as much rain as possible in our yards. A...

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Cornus sericea

Creek Dogwood For this issue of the Obispoensis, I’m going out on a limb so to speak. Since the plant is a very small tree or moderately sized shrub, that limb will prove to be slender. The plant is the red osier, creek, or as stated in the new Jepson California...

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December Meeting – Danny Slakey

Rare Plant Hunting on California’s Central Coast Thursday, December 4, 2014, 7:00 p.m. at the San Luis Obispo Veterans Hall, 801 Grand Avenue, San Luis Obispo We are pleased to welcome Danny Slakey, CNPS Rare Plant Program Assistant Botanist About Danny Slakey Danny...

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Thank You, Plant Sale Volunteers and Customers!

Suzette and I want to say, “job well done“ to all the volunteers who spent their Saturday helping at the plant sale.  Your devotion to the group goes beyond normal expectations and we really do appreciate your outstanding efforts during one of our rainiest plant sales...

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November Meeting – Susan Krzywicki

Native Plant Gardening for a Water-Challenged Future Thursday, November 6, 2014, 7:00 p.m. at the San Luis Obispo Veterans Hall, 801 Grand Avenue, San Luis Obispo We are pleased to welcome Susan Krzywicki, Horticulture Program Director for the California Native Plant...

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Honeybees and Native Plants

By Andy Murray (New Zealand honey bee on clover) [CC BY-SA 2.0], via Wikimedia Commons It’s no secret, honeybees are not doing well. There are many scientists and researchers working on this problem. At this time there is not a clear cut answer to what is causing what...

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Conservation Nov 2014

The U.S. Fish and Wildlife Service has announced a draft policy on crediting voluntary conservation actions taken for species prior to their listing under the Endangered Species Act. The proposed policy seeks to give landowners, government agencies, and...

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President’s Notes Nov 2014

The chapter is very happy to see the Pismo Preserve come to fruition, and we will be offering our help in any botanic assessments that are needed. Our last meeting was very interesting with some great photos, but mostly wildflowers had eluded photographers this year...

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Atriplex patula

Spear Orache, Spear Salt Bush As I write this article, it’s August in the year of California’s third most severe drought. There’s not much out there in bloom. So I’ve retreated to one of the few places where plants are doing anything. Yes, I’m returning to the coastal...

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Plant Sale Volunteers

Suzette and I would like to say welcome back to all of our members! We hope your gardens are surviving the drought and you have had a fun summer. This year more than ever our plant sale will highlight low water usage plants. It is very important that we get the word...

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Native Plant Pest Control

With the drought extending into three summers now, many plant pests have taken advantage of the warm dry conditions. Even though California native plants are strong, hardy, and usually resilient, the lack of moisture has stressed them beyond their normal expectations....

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President’s Notes October 2014

Welcome to our 2014-2015 Season. Our October meeting is in the usual place, the SLO Vets Hall, and features your pictures from the last year and, potluck desserts. Please bring your favorite dessert to share with the group. Plates, bowls, knives, forks, spoons and...

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Oak Pests Workshop

Workshop on Identifying and Reporting Oak Pests and Diseases October 23, 2014 - 12 (noon) to 5pm San Luis Obispo UC Cooperative Extension Auditorium 2156 Sierra Way, San Luis Obispo ATTENTION CITIZEN SCIENTISTS We are looking for boots on the ground volunteers and...

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Changing Times, Changing Gardens

Title: Changing Times, Changing Gardens Location: Cal Poly Link out: Click here Description: Join us for an inspiring and educational weekend seminar exploring a contemporary approach to garden design—one that reflects local climate zones, smart water use, and...

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Calandrinia ciliata

Red Maids Bonnie’s drawing for this issue of Obispoensis is of a plant that is found throughout the western United States as well as spreading north into British Columbia. It has also been recorded in a couple of South American countries. It is especially common in...

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President’s Message June 2014

Season Wrap-up Thanks to everybody who has contributed to our season, which has been successful in spite of the drought. We start up again in October with our annual member-contributed slide show and dessert potluck. At that meeting we hope to have our sales table up...

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  • 02

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

    Speaker: Dena Grossenbacher, Alpine plant diversity on Yosemite’s Sky Islands

    Dena Grossenbacher is a new Assistant Professor of Botany at CalPoly. She is broadly interested in how plant-environment interactions generate and maintain plant diversity, and the processes underlying the origin and extinction of species. She uses the California flora,
    especially monkeyflowers, to address these questions because of their astonishing variation both among and within species.

    Dena received a Bachelor’s degree in Botany in 1999 from University of Washington, was a field botanist in the Pacific Northwest and the Yosemite region from 2000-2008, and received a Ph.D. in Population Biology from UC Davis in 2013 with Maureen Stanton. She did postdocs studying mating system evolution at University of Minnesota and at Washington State University before arriving at Cal Poly
    in January 2017.

    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.

  • 04

    9:00 am-2:00 pm
    Pacific Beach High School
    11950 Los Osos Valley Rd, San Luis Obispo, CA 93405, USA

    It’s the annual event you’ve been waiting for. Create your drought-tolerant native garden with help from CNPS-SLO!

    Local native plant enthusiasts are hosting a sale of water-thrifty California Native Plants. Tips and advice for all garden situations available at no additional charge.

    Hundreds of plant varieties for yards and gardens will be available. Many are excellent for attracting birds and butterflies to your garden. Native plants are adapted to this area so they save water, and reduce the need for pesticides and fertilizers.

  • 11

    8:30 am-11:30 am
    Costco SLO
    1540 Froom Ranch Way, San Luis Obispo, CA 93405, USA

    Saturday, Nov. 11th, 8:30 am to 11:30 am

    Work Crew, Old Prospector Trail, Irish Hills

    Meet in the Costco parking lot, adjacent to the Costco gas station, Los Osos Valley Road, SLO. From there, we will walk to the trail.

    Join hikers who want to help keep trails in good shape. We will be using loppers to remove branches of Ceanothus and other chaparral plants out of the trail, then cache the cut pieces off the trail.

    The upper half of the trail was completed in October, so work will focus on the lower half. Total distance will be 3 to 4 miles with a 500 ft. elevation gain. Use a small backpack to bring water, snacks, and sunscreen. Wear sturdy shoes, bring gloves, a hat, and layered clothing, as needed. Contact Bill Waycott, (805) 459-2103,

    Rain cancels.

  • 21

    11:00 am-4:00 pm
    Growing Grounds Farm Wholesale Nursery
    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