CNPS-SLO Blog

All the latest information

Sudden Oak Death Enters SLO County

ABOUT THE IMAGE The cover for this issue features four leaves of California Bay (Umbellularia californica) that show the tell-tale symptoms of infection with Sudden Oak Death disease, in the form of the fungus-like eukaryotic microorganism called Phytophthora ramorum,...

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Water a Milkweed, Kill a Monarch?

Monarch caterpillar feeding on Asclepias fascicularis All of our local native milkweeds are perennials, but like a lot of our drought-adapted plants, die back and go dormant during the long late summer and fall drought. Many gardeners, knowing there is a monarch...

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Native Plants for Erosion Control

Coffeeberry Frangula californica - Images courtesy of Marlin Harms Way back in 1992 the Watershed Education Program for San Luis Obispo County, in conjunction with U.C. Extension and the Soil Conservation Service (now Natural Resources Conservation Service) produced a...

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Invasive Species of the Month – Cortaderia jubata

Invasive Species of the Month Jubata grass (Cortaderia jubata) Mark Skinner There is an intense infestation of Jubata grass on the California coast. As almost everyone knows it mars the most beautiful places such as Big Sur. On their web site California Invasive Plant...

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Sudden Oak Death (SOD) in SLO County

CONSERVATION NOTE Terrible news for the Coast Live Oak and Tanbark Oak of our County. CNPS was a major contributor to the collection of leaves on possibly suspect oak and bay trees. Locally organized by CNPS’ Lauren Brown and Cal Fire’s Kim Corella , volunteers...

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PLANT SALE NOVEMBER 5th

Suzette and I would like to invite any and all members, new or old, to please volunteer to help at this year’s annual plant sale on Saturday, November 5th. There are many jobs to be done and I can always match you to something that fits best for you. Some jobs are...

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Generous Donation

Our Chapter would like to thank the anonymous donors of $1,000 to the Malcolm McLeod Scholarship Fund. This fund supports student research and has aided many students in projects that have contributed greatly to our knowledge of the flora. If you would also like to...

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SEEDS AVAILABLE AT PLANT SALE

There will be a selection of seeds that were left from the seed exchange available at the plant sale. Many of these are seeds that are not available commercially. It will be your chance to experiment with growing natives from seed. Our seeds are collected from member...

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Chapter Meeting

Nov 3, 2016 - Thursday - 7pm Dave Fross of Native Sons Wholesale Nursery will give a presentation entitled "Home Ground, Forty Years Among the Natives." Meet at the Veterans Hall, 801 Grand Avenue, San Luis Obispo.

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Chapter Council Meeting recap

For those who were unable to attend last month’s CNPS Chapter Council meeting in Morro Bay, I will to share with you my take on the research data presented during the Conservation Symposium and its framing of the impacts of climate change on possible California native...

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Tips for Buying the Right Plant for Your Garden

After last week’s hot spell (last week of September) when Los Osos hit 98°F in the shade; a good feeling came over me. Back in the day when I was a kid I always remember a hot Indian summer before a normal rainy year. So keeping this in mind I’m hoping this fall will...

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Ceanothus hearstiorum

Introduction October and November are when our Chapter gets serious about growing native plants. We have a November meeting devoted to it as well as our annual plant sale. This got me to remembering some articles written and drawings drawn by Alice G. Meyer that are...

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2016 Native Plant Sale

Saturday, November 5, 2016 9am-2pm Please join us at Pacific Beach High School 11950 Los Osos Valley Road SLO (at the Target intersection) Fall is the perfect time of year to plant natives Talk with members of the California Native Plant Society about your specific...

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Invasive Species of the Month – Erigeron bonariensis

Erigeron bonariensis Hairy Fleabane or Flax Leaved Horseweed Family: Asteraceae, Place of Origin: South America Hairy fleabane is aptly named: it is strigose (set with stiff bristles or hairs) throughout the plant - stems, leaves, flowers. Hairy fleabane is an low...

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Morro Dunes Ecological Reserve on the Rocks (or sand)

When CNPS Conservation team members John Chesnut and David Chipping joined with Marla Morrissey to form the Morro Estuary Greenbelt Alliance, the non-profit brought government agencies together to secure funds to protect rare dune habitat surrounding Los Osos. As a...

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October Seed Exchange

A seed exchange is planned for the time slot from 6:00 to 7:15 before the October meeting. If you have been hard at work collecting this spring and summer, the time is almost here to part with those seeds. If you are interested in growing from seed, here is your...

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Solidago californica

California Goldenrod (Solidago velutina ssp. californica or S. californica) The photo by Dr. David Chipping that accompanies this note are of the California goldenrod (Solidago velutina ssp. californica or Solidago californica). According to Dr. Hoover in his Vascular...

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August in the Sierra Nevadas

Diana and I made our annual pilgrimage to the Sierra Nevada Mts. in mid-August this year. We chose to backpack to the lakes and peaks accessible from the Lake Sabrina trailhead, west of Bishop, CA. I thought it would be a good idea to present some photos of our trek,...

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CNPS Conservation Symposium and Field Trips

It's time to register for the CNPS Conservation Symposium and field trips to be held in Morro Bay from 8th to 11th September. The field trips are scheduled for Thursday, Friday, and Sunday, with the Conservation Symposium on Saturday at the Morro Bay Vet’s Hall, 209...

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Restoring Mission Creek

The Mission Plaza riverwalk in downtown San Luis Obispo caters to thousands of central coast tourists and SLO community members every year. While SLO creek is widely admired, the riparian and creek bed vegetation leaves much to be desired. The City of San Luis Obispo...

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CNPS Chapter Council Meeting to be held in Morro Bay!

The September meeting of the CNPS Chapter Council will be held in Morro Bay from Thursday to Sunday, September 8-11, 2016. This meeting is held four times per year in different parts of the state (the last meeting was held near Lake Tahoe), and is attended by...

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Protecting Our Oaks II

SLO County Supervisors are meeting Tuesday August 16 and they need to hear from YOU! Many voices REALLY DO make a difference!  Especially now that some of the uproar about the Justin clearcutting debacle has died down. The SLO County Board of Supervisors is meeting...

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Urgency Tree ordinance

Next Tuesday, 8/16/16, the SLO County Board of Supervisors will consider the continuance of the Urgency Tree ordinance generated by the Justin oak cuttings. Property rights people will likely flood the meeting to halt any attempt at oak protection, and we need you...

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San Luis Obispo Creek July 23rd 2016 Volunteer Event

Running through the heart of downtown near Mission Plaza,  San Luis Obispo Creek is a vital part of our watershed that is in need of restoration. The Watershed Stewards Program (WSP) in partnership with the City of San Luis Obispo, the California Native Plant Society...

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Protecting Our Oaks

Justin Vineyards just cut down hundreds of Oaks Justin Vineyards is coming under fire for clear-cutting oaks from their property outside Paso Robles. Justin is owned by The Wonderful Company, who also owns Teleflora, Halo's, Pom Wonderful, Fiji water and other brands....

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On Veldt Grass

Image courtesy of jkirkhart35 | https://www.flickr.com/photos/jkirkhart35/ Some of the most notorious invasive plants such as Carpobrotus, slender leaved ice plant, and cape ivy come from South Africa. Another quite bad one is Veldt grass (Ehrharta calycina). This...

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Jack Ranch and Veldt Grass

Jack Ranch We will be keeping an eye on a proposed agricultural cluster on the Jack Ranch, situated on the flanks of the hills behind Country Club Estates and Rolling Hills Estates in the Edna Valley. Clustering would seem at first glance a good idea, as it can...

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< 2017 >
November
  • 02

    7:00 pm-9:00 pm
    11-02-2017
    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
    11-04-2017
    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
    11-11-2017
    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, bill.waycott@gmail.com.

    Rain cancels.

  • 21

    11:00 am-4:00 pm
    11-21-2017
    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