CNPS-SLO Blog

All the latest information

Californians Restore Nature in Their Neighborhoods and Gardens with Calscape.org

The goal at Calscape is to help Californians restore nature in their neighborhoods and gardens, and to save water in the process. We can do this by providing in-depth
information about which plants are really native to any location in the state, helping to determine which ones to select, listing sources where the plants can be purchased, and then giving details about how to grow them.

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San Luis Obispo County Sudden Oak Death Blitz 2017

The purpose of the SOD Blitz is to inform and educate the community about the disease and its effects, get locals involved in detecting the disease, and produce detailed local maps of disease distribution. The maps can then be used to identify those areas where the infestation may be mild enough to justify proactive management.

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Common Milkweed (kotolo) Asclepias eriocarpus

The cover drawing and article for this issue of the OBISPOENSIS was written and drawn by Alice Meyer. She was a very active member (and first Hoover Award Recipient in the 1970 and 80’s. She is the one who named our newsletter, OBISPOENSIS, and served as its editor...

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Invasive Species of the Month – Emex spinosa

Spiny emex (Emex spinosa) Mark Skinner (mskinner@coastalrcd.org) Spiny emex is in the Buckwheat family (Polygonaceae) and is an up and coming invasive species in California’s south coast. It’s from the Mediterranean region of Africa infesting disturbed areas...

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Report on the 2017 Annual Banquet and Awards

This year we were delighted to hear an excellent presentation by Dr. Glen Holstein, Chapter Botanist for the Sacramento Valley Chapter of CNPS. In his talk, Rediscovering and Conserving California’s Prairie Landscapes, Glen spoke of how California’s grassland...

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Oak Ordinance Hearing

CONSERVATION: PERMANENT OAK ORDINANCE TO PLANNING COMMISSION, THURSDAY, FEBRUARY 23 (Item PLC 14/2017) A LITTLE HISTORY, When Justin Wineries clear cut oak woodlands near Adelaida, public outcry resulted in the creation of a Emergency Ordinance to prevent clear...

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CNPS-SLO Community Involvement

President’s Notes – March 2017 Obispoensis |At CNPS-SLO, we are involved in our communities!! Here are a good few examples. CNPS volunteers participated in the Los Osos Middle School landscape planting day, in mid-January. All 7th and 8th Grade science classes took...

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Coast Live Oak

Dirk Walters, illustration by Bonnie Walters Oaks have been in the news a lot recently. Essentially all of it has been bad from the Oak’s point of view. First, there was the clearing of valley (Quercus lobata) and blue (Q. douglasii) oaks in the Paso Robles area. and...

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Common (White) Yarrow (Achillea millefollium)

Common (White) Yarrow (Achillea millefollium) The plant discussed in this issue of the Obispoensis is one that I’ve wanted to take on for a long time, but could never bring myself to ask Bonnie to draw. Since we are using photos to illustrate it by, I think it’s time....

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The Unique Flora of the Central Coast

MARLIN HARMS DOES A MIND WALK FOR CENTRAL COAST PARK ASSOCIATION On Feb 13, 10:15 AM Marlin Harms will present “The Unique Flora of the Central Coast,” a tour of SLO County's wildflowers that will include noteworthy photos as well as some life history features of both...

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In Memoriam: “Jack” Beigle

Many members of our chapter will remember with a smile the work done by Jack and his wife Grace in supporting our chapter and for his work in association with Kathleen Jones (the Dune Mother) in the protection of the south county dune system. Jack also played a major...

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Invasive Species of the Month – Brassica tournefortii

Sahara Mustard Sahara mustard is annual from the Mediterranean and has been spreading rapidly into coastal San Luis Obispo County. It is in Los Osos, Grover Beach, Oceano, the Nipomo Mesa and the Santa Maria River. Sahara Mustard first appeared in North America in...

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Oaks, Oil, and Trailheads

Conservation Update January 2017 Oak Ordinance CNPS has met with SLO County Planning staff and with U.C. Extension in regard to developing a permanent oak ordinance. We have argued for total protection of valley oak, and for a concentration in controlling oak...

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CNPS State Meetings

President’s Notes – Feb 2017 I attended two state-level meetings last month in Berkeley, CA and want to briefly share some of the details with you. The CNPS State Board meeting was held Friday afternoon (Dec. 2nd 2016) and the State Chapter Council meeting was...

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Hoover Award – 2016

Bill Waycott was recognized with the 2016 Hoover Award for his contributions to appreciation and preservation of the San Luis Obispo native flora. The honor, named for Dr. Robert Hoover, was presented to Bill Waycott at the January banquet. Prior recipients meet...

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CNPS Workshops and Professional Training

The Plant Science Training Program specializes in providing workshops for professional botanists, biologists, and ecologists to teach the skills and provide the tools and resources for conducting sound scientific surveys for rare plants, rare plant communities,...

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Hoover Herbarium Update Winter 2017

Thank you again to everyone who made 2016 a huge success in the herbarium. Here is some important info about the herbarium this quarter: The times this quarter are Thursdays 3 - 5 pm and Fridays 12 - 2 pm. I now have the ability to pay for metered parking so please...

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Volunteer at The Hoover Herbarium

During the volunteer sessions at the Hoover Herbarium, people can take part in any number of activities. One of our primary responsibilities is mounting new specimens. This involves taking dried and pressed plants and glueing them to paper. When we mount plants, we do...

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CNPS-SLO Banquet 2017

California Native Plant Society - San Luis Obispo Chapter Annual Potluck Banquet Saturday, January 21, 2017 5:30-9:30 pm $10 per person, plus a pot luck item for the dinner Morro Bay Community Center 1001 Kennedy Way, Morro Bay - - - Social Hour - 5:30 pm Buffet Style...

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Facts about Oaks

The greatest girth of a single trunk coast live oak, measured at a height of between 1.3-1.5 m above the ground, is 30. 15 ft. (9.19 m), the tree being “The Grand Oak” at Highland Springs Resort in Cherry Valley, California.

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The Juniper-Oak Plant Association of Caliente Mountain

Caliente Mountain is the highest spot in the County, and forms the western side of Carrizo Plain National Monument The oak on Caliente Mountain. is Tucker's oak, a scrub oak with blue-green, spiny leaves that stands a little over head height but can reach to 7 meters....

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Iceplant (Carpobrotus edulis)

Invasive Species of the Month: Iceplant (Carpobrotus edulis) Iceplant is a perennial in the Aizoaceae family, native to South Africa and grows in sandy areas on the coast from Eureka to Baja. This succulently leaved plant is overwhelming and carpets the land. I've...

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Fall Color

O.K.... so we’re not Vermont. However we do have some pretty fall color displays. If you like the gold of aspen, you will see the same colors in our closely related cottonwood stands, both trees belonging to the genus Populus. Cottonwoods are riparian trees, and the...

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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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< 2017 >
April
  • 01

    All day
    04-01-2017
    Santa Margarita Park and Ride
    US-101 & El Camino Real & US-101, Santa Margarita, CA 93453, USA

    Saturday, April 1, 2017, 8:00 am

    Malcolm McLeod Annual Field Trip Meeting at Carrizo Plain

    Join us to explore and appreciate the remarkable and unique display of annual and perennial spring wildflowers in eastern San Luis Obispo County. This could be the BIG YEAR in this giant swath of undisturbed California Prairie. Remember, this is a remote area, so make sure you have plenty of gas, water, as well as food.

    Meet at the Santa Margarita park-and-ride (freeway exit, State Route 58 at Hwy 101) at 8:00 am. We will caravan from there with a brief stop at Shell Creek. You may be able to carpool with someone, so it is recommended to arrange your ride ahead of time, or jump in with others at the meeting place. Be sure to wear sturdy shoes, bring sunscreen, a hat, and layered clothing for warmth, as needed.

    For more information contact: George Butterworth, (805) 438-3641, gbutterworth8@gmail.com or Bill Waycott, (805) 459-2103, bill.waycott@gmail.com. Rain cancels.

  • 02

    9:00 am-12:00 pm
    04-02-2017
    La Purisima Mission
    2295 Purisima Rd, Lompoc, CA 93436, USA

    Sunday 2 April 2017 9 AM

    CNPS, LVBHS, and Sierra Club Spring La Purisima Burton Mesa Wildflower Walk

    Meet at the La Purisima Mission Parking Lot, corner of Purisima and Mission Gate Rds. (2295 Purisima Rd. Lompoc) at 9 AM for this annual California Native Plant Society and Sierra Club spring tour of the beauties of the Burton Mesa Chaparral. This should be a great year for wildflowers, annuals as well as shrubs; Optional afternoon tour.

    Sturdy shoes, lunch & liquids, camera and binoculars advised. For more information, call Charlie at 733-3189 Saturday, April 8, 2017, 9:00 am, Pecho Ranch, (PG&E property) near Montaña de Oro State Park. This is an RSVP only field trip open to 40 CNPS members.

    Details will be available in the April Obispoensis and via e-mail announcements. To place your name on the list, contact Bill Waycott, (805) 459-2103, bill.waycott@gmail.com.

  • 08

    9:00 am-12:00 pm
    04-08-2017
    Pecho Ranch
    Pecho Valley Rd, Los Osos, CA 93402, USA

    THIS EVENT HAS BEEN CANCELLED DUE TO RAINMdO

    Saturday, April 8, 2017, 9:00 am, Pecho Ranch, (PG&E property) near Montaña de Oro State Park

    We will walk to the top of the ridge road, located on the north ranch. As we ascend the road, you will see the habitats change from coastal sage scrub to chaparral and bishop pine forest. The top of the road offers a view of Morro Bay and the Coon Creek drainage.  Total distance is 5 miles, elevation gain is 800 ft., three hours.

    This is an RSVP only field trip open to 40 CNPS members. To place your name on the list and receive details about this field trip, contact Bill Waycott, (805) 459-2103, bill.waycott@gmail.com.  Bill will ask for some personal contact information to be forwarded to PG&E.  

    Deadline to sign up for this field trip is March 25th.

    Rain cancels

     

    We will meet at the Point Buchon Trail check-in station. See map here: https://www.pge.com/en_US/residential/in-your-community/local-environment/diablo-canyon-trails/point-buchon-trail.page

  • 09

    All day
    04-09-2017
    Wind Wolves Preserve
    39611 Oak Glen Rd, Yucaipa, CA 92399, USA

    Sunday, April 9, 2017, 9:00 am

    Wind Wolves Preserve

    16019 Maricopa Highway (State Route 166), between Maricopa, CA and Interstate 5.
    Join us for a daylong visit to Wind Wolves Preserve, part of the Wildlands Conservancy, located on the north slope of the Transverse Ranges, east of Maricopa, CA.

    This area has spectacular open spaces with carpets of wildflowers that stretch up into pine forests.
    We will meet outside the administration building at 9:00 am.

    Be sure to bring water, food, sturdy shoes, sunscreen, a hat, and layered clothing for warmth, as needed.
    Carpooling is available.

    RSVP if you plan to participate: Bill Waycott, (805) 459-2103, bill.waycott@gmail.com

    Rain cancels

  • 16

    1:00 pm-4:00 pm
    04-16-2017
    Irish Hills Trailhead
    1691 Madonna Rd, San Luis Obispo, CA 93405, USA

    Sunday, April 16th, 1:00 p.m

    Join us for a plant walk from the Madonna Road trailhead (southwestern terminus of Madonna Rd.) into the upper reaches of the Irish Hills Open Space.

    The vast majority of soils in this area are derived from serpentine, which is a metamorphic rock, high in magnesium and iron, while low in calcium, phosphorus, and potassium. The excess magnesium in combination with low levels of calcium, phosphorus, and potassium create a stressful environment for plant growth, and therefore inhibit the growth of the vast majority of both native and introduced species. The unique assortment of plants that do grow in the Irish Hills and on other serpentine-based outcrops surrounding San Luis Obispo, make for an exceptional mixture, which we will see in bloom on this walk. A plant list will be provided.

    The length is 5 miles, 700 ft. elevation gain, 3 hours. Be sure to bring water, food, sturdy shoes, sunscreen, a hat, and layered clothing, as needed.

    Contact: Bill Waycott, (805) 459-2103, bill.waycott@gmail.com.

    Rain cancels

  • 18

    11:00 am-4:00 pm
    04-18-2017
    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

  • 20

    1:00 pm-5:00 pm
    04-20-2017
    Atascadero Library
    6901 Capistrano Ave, Atascadero, CA 93422, USA
    April 20, 2017 @ Atascadero Library 6555 Capistrano Ave, Atascadero, CA 93422
    **FREE Workshop & DPR CEU’s are applied for**
    Agenda:
    1:00 pm – 1:15 pm Check-In
    1:15 pm – 1:30 pm Welcome and Introductions Lauren Brown, California Native Plant Society, San Luis Obispo County
    1:30 pm – 2:15 pm Goldspotted Oak Borer: Life Cycle, Identification and Management Speaker: Kevin Turner and Kim Corella, Cal Fire
    2:15 pm – 3:00 pm Identification, Impact and Management of Shot Hole Borer Speaker: Akif Eskalen, University of California, Riverside
    3:00 pm – 3:15 pm Break
    3:15 pm – 4:00 pm Sudden Oak Death: Identification and Management Speaker: Kerri Frangioso, University of California, Davis
    4:00 pm – 4:30 pm Questions for speakers
  • 21

    3:30 pm-6:30 pm
    04-21-2017
    Atascadero Lake Park Pavilion
    9315 Pismo Ave, Atascadero, CA 93422, USA

    Ribbon Cutting Ceremony

    Special Guest Speaker: Penny Nyunt, daughter of Bert Wilson, owner of Las Pilitas Nursery

    Ribbon Cutting Flyer1

  • 22

    9:00 am-11:00 am
    04-22-2017
    Atascadero Lake Park Pavilion
    9315 Pismo Ave, Atascadero, CA 93422, USA
  • 22

    11:00 am-5:00 pm
    04-22-2017
    San Luis Obispo Botanical Garden
    3450 Dairy Creek Rd, San Luis Obispo, CA 93405, USA

    No additional detail for this event.

  • 23

    1:00 pm-4:00 pm
    04-23-2017
    Nipomo Native Garden
    927-999 Osage St, Nipomo, CA 93444, USA

    Nipomo Native Garden Spring Garden Tour offers a delightful afternoon of garden tours, talks, and a children’s program

    Talks

    1:30 Controlling Gophers in the Garden – Gopher biology, habits, hearsay

    2:00 Using Drought Tolerant Native Plants in the Garden

    3:00 Controlling Gophers again – a popular subject

    Children’s Garden Program

    Puppet making: All the fixings available to make your own puppet

    Flower Pounding: Kids can make a lovely bookmark to take home

    Kids can also enjoy the regular activities available in the Children’s Garden:- the sandbox, the wishing tree, hopscotch, and looking for insects and other critters in the Bug House.

  • 29

    12:00 pm-5:00 pm
    04-29-2017
    Cambria Veterans Memorial Building
    1000 Main St, Cambria, CA 93428, USA

    Saturday April 29 12:00-5:00  and Sunday April 30 10:00-4:00

    • Hundreds of freshly picked Central Coast wildflowers and other flora will be presented and described
    • Edible, Medicinal, Rare, Invasive and Poisonous plants will be identified
    • Botanists will be on hand for your questions
    • Treats available from the Wildflower Café
    • T-shirts, books, and more for sale

    Admission is free for students, otherwise it’s a $3 donation to this worthy cause.

    Brought to you by the Friends of the Fiscalini Ranch Preserve 805-927-2856

    Of special interest will be the “Fire-Following Flowers” the first to bloom out of the Chimney fire

  • 30

    10:00 am-4:00 pm
    04-30-2017
    Cambria Veterans Memorial Building
    1000 Main St, Cambria, CA 93428, USA

    Saturday April 29 12:00-5:00  and Sunday April 30 10:00-4:00

    • Hundreds of freshly picked Central Coast wildflowers and other flora will be presented and described
    • Edible, Medicinal, Rare, Invasive and Poisonous plants will be identified
    • Botanists will be on hand for your questions
    • Treats available from the Wildflower Café
    • T-shirts, books, and more for sale

    Admission is free for students, otherwise it’s a $3 donation to this worthy cause.

    Brought to you by the Friends of the Fiscalini Ranch Preserve 805-927-2856

    Of special interest will be the “Fire-Following Flowers” the first to bloom out of the Chimney fire