UCCE Master Gardeners of San Bernardino County
University of California
UCCE Master Gardeners of San Bernardino County

Posts Tagged: trees

Climate change resources for Horticulturists, Government Officials, and UCCE Master Gardeners

Climate Change Resources for Horticulturists and UCCE Master Gardeners

Updated by Janet Hartin jshartin@ucanr.edu 8/17/2022

University of California UC ANR Green Blog (Climate Change and Other Topics) https://ucanr.edu/blogs/Green/index.cfm?tagname=climate%20change (full index)


     - Save Trees First: Tips to Keep Them Alive Under Drought https://ucanr.edu/b/~CdD

     - Landscaping with Fire Exposure in Mind: https://ucanr.edu/b/~G4D

     - Cities in California Inland Areas Must Make Street Tree Changes to adapt to Future Climate  https://ucanr.edu/b/~oF7

UC Climate Change Videos                                 

Drought, Climate Change and California Water Management Ted Grantham, UC Cooperative Extension specialist (23 minutes) https://youtu.be/dlimj75Wn9Q

Climate Variability and Change: Trends and Impacts on CA Agriculture Tapan Pathak, UC Cooperative Extension specialist (24 minutes) https://youtu.be/bIHI0yqqQJc

California Institute for Water Resources (links to blogs, talks, podcasts, water experts, etc.) https://ciwr.ucanr.edu/California_Drought_Expertise/

UC ANR Wildfire Resources (publications, videos, etc.) https://ucanr.edu/News/For_the_media/Press_kits/Wildfire/ (main website)

UC ANR Fire Resources and Information https://ucanr.edu/sites/fire/ (main website)

Preparing Home Landscaping https://ucanr.edu/sites/fire/Prepare/Landscaping/

UC ANR Free Publications https://anrcatalog.ucanr.edu/ (main website)

Keeping Plants Alive Under Drought and Water Restrictions (English version) https://anrcatalog.ucanr.edu/pdf/8553.pdf

(Spanish version) https://anrcatalog.ucanr.edu/pdf/8628.pdf

Use of Graywater in Urban Landscapes https://anrcatalog.ucanr.edu/pdf/8536.pdf

Sustainable Landscaping in California https://anrcatalog.ucanr.edu/pdf/8504.pdf

Other UC (Non-ANR) scientists

Daniel Swain (UCLA): website: https://weatherwest.com/ twitter: @Weather_West


Non-UC Climate Change Resources

Urban Forests and Climate Change. Urban forests play an important role in climate change mitigation and adaptation. Active stewardship of a community's forestry assets can strengthen local resilience to climate change while creating more sustainable and desirable places to live. https://www.fs.usda.gov/ccrc/topics/urban-forests

Examining the Viability of Planting Trees to Mitigate Climate Change (plausible at the forest level) https://climate.nasa.gov/news/2927/examining-the-viability-of-planting-trees-to-help-mitigate-climate-change/

Reports and other information resources coordinated under the auspices of the United Nations and produced through the collaboration of thousands of international scientists to provide a clear and up to date view of the current state of scientific knowledge relevant to climate change. United Nations Climate Action

Scientific reports, programs, action movements and events related to climate change. National Center for Atmospheric Research (National Science Foundation)

Find useful reports, program information and other documents resulting from federally funded research and development into the behavior of the atmosphere and related physical, biological and social systems. Search and find climate data from prehistory through to an hour ago in the world's largest climate data archive. (Formerly the "Climatic Data Center") National Centers for Environmental Information (NOAA)

Think tank providing information, analysis, policy and solution development for addressing climate change and energy issues (formerly known as the: "Pew Center on Global Climate Change"). Center for Climate & Energy Solutions (C2ES)

Mapping Resilience: A Blueprint for Thriving in the Face of Climate Disaster. The Climate Adaptation Knowledge Exchange (CAKE) was launched in July 2010 and is managed by EcoAdapt, a non-profit with a singular mission: to create a robust future in the face of climate change by bringing together diverse players to reshape planning and management in response to rapid climate change. https://www.cakex.org/documents/mapping-resilience-blueprint-thriving-face-climate-disaster

Cal-Adapt provides a way to explore peer-reviewed data that portrays how climate change might affect California at the state and local level. We make this data available through downloads, visualizations, and the Cal-Adapt API for your research, outreach, and adaptation planning needs. Cal-Adapt is a collaboration between state agency funding programs, university and private sector researchers https://cal-adapt.org/

Find reports, maps, data and other resources produced through a confederation of the research arms of 13 Federal departments and agencies that carry out research and develop and maintain capabilities that support the Nation's response to global change. Global Change (U.S. Global Change Research Program)

The Pacific Institute is a global water think tank that combines science-based thought leadership with active outreach to influence local, national, and international efforts to develop sustainable water policies. https://pacinst.org/our-approach/

Making equity real in climate adaptation and community resilience policies and programs: a guidebook. https://greenlining.org/publications/2019/making-equity-real-in-climate-adaption-and-community-resilience-policies-and-programs-a-guidebook/


Quarterly CA Climate Updates and CA Drought Monitor Maps (updated each Thursday) https://www.drought.gov/documents/quarterly-climate-impacts-and-outlook-western-region-june-2022




Posted on Thursday, August 25, 2022 at 10:57 AM
Focus Area Tags: Environment, Family, Health, Natural Resources

"Trees for Tomorrow Start Today" Master Gardener Program Application for San Bernardino County Residents

Applications Now Being Accepted for the University of California Cooperative Extension Master Gardener Program “Trees for Tomorrow Start Today” Project.

University of California Cooperative Extension (UCCE) San Bernardino County is currently recruiting adults (18 and over) who are interested in becoming volunteers for our "Trees for Tomorrow" project. Complete training is provided online through a 50-hour Master Gardener training class taught by subject matter experts. Master Gardener volunteers will provide research-based information on the selection and care of heat, drought, and pest resistant trees and help our non-profit partners and community leaders enhance tree canopy cover in our most vulnerable neighborhoods. (To date, we are proud to have partnered with the Inland Empire Resource Conservation District, CA Climate Action Fellows and many non-profit organizations, communities, ESRI, and others to give away over 600 trees in the last year!)

Applications to become a UCCE Master Gardener volunteer for this project are open through August 31, 2022. UCCE Master Gardener “Trees for Tomorrow” Volunteer Application link: http://ucanr.edu/u.cfm?id=287

Questions about the application process or the volunteer opportunity? Contact UCCE Area Environmental Horticulturist Janet Hartin at jshartin@ucanr.edu

Why volunteer for this project? We are facing unprecedented times due to climate change and urban heat islands increasing temperatures in our communities. One of the solutions to a "cooler, greener, tomorrow" is through tree planting and proper selection and long-term care of heat, drought, and pest resistant trees.

Why trees? Shade produced by a single tree can reduce surface temperatures of asphalt and other impervious surfaces by up to 65 degrees F. Trees also lower air temperatures; enhance pollinator and wildlife habitat; absorb pollutants; reduce energy use and related costs (homes, offices, vehicles); beautify neighborhoods; absorb and store carbon dioxide; and provide many other ecosystem and societal benefits.

You can make a difference like never before enhancing tree canopy cover in our neighborhoods. Do you want to learn more about what UCCE Master Gardeners do for San Bernardino County residents and communities, find out what upcoming events they are hosting, or have them answer your horticulture questions Here's your pot of gold: https://mgsb.ucanr.edu/

 We are looking forward to hearing from you!

MG of SB County Tree
MG of SB County Tree

Trees cool urban heat islands

Trees for tomorrow 2021 Redlands Sports Park
Trees for tomorrow 2021 Redlands Sports Park

IERCD, CA Climate Action Corps, and UCCE Master Gardeners have planted over 600 trees in under-resourced neighborhoods

Posted on Monday, July 25, 2022 at 4:50 PM
Focus Area Tags: Environment, Family, Health

Drought Resources for Keeping Trees Alive

University of California Cooperative Extension Drought Resources To Keep Your Plants Alive

"Trees Come First Under Drought and Water Restrictions"

Keeping Plants Alive Under Drought and Water Restrictions (English) https://anrcatalog.ucanr.edu/pdf/8553.pdf

Keeping Plants Alive Under Drought and Water Restrictions (Spanish) https://anrcatalog.ucanr.edu/pdf/8628.pdf

Prioritizing Trees During Drought and Water Restrictions (5 minute Youtube) 


Tips to Keep Your Landscape Trees Alive Under Drought https://ucanr.edu/b/~IjC

Landscape Tree Irrigation to Maximize Tree Health, Benefits, and Beauty https://ucanr.edu/b/~YjA

Landscape Tree Irrigation 101 https://ucanr.edu/b/~UjA

Top 10 Ways to Conserve Water in Your Landscape and Garden https://ucanr.edu/b/~tTD

Asphalt and Synthetic Turf are Superheating our Cities (in Desert Sun newspaper) https://www.desertsun.com/story/opinion/contributors/valley-voice/2022/04/09/coachella-valleys-asphalt-synthetic-lawn-heat-islands-reach-170/9515857002/

Use of Graywater in Urban Landscapes in California https://anrcatalog.ucanr.edu/pdf/8536.pdf

Need More Help?  Speak to a UC Cooperative Extension Master Gardener in Your County of Residence. 

Find email and phone helplines here: Find a UC Master Gardener Program - UC Master Gardener Program (ucanr.edu)

Posted on Tuesday, May 3, 2022 at 8:52 AM
Focus Area Tags: Environment, Food, Health, Natural Resources, Yard & Garden

Invasive Trees to Avoid/Suggested Alternatives

Many previously “welcomed” urban tree species have outlived their stay, becoming invasive and crowding out other plants in our Southern California landscapes. You can help by avoiding planting these trees identified by various sources (including the California Invasive Plant Council) to be too aggressive and habitat/resource-depleting for further planting.

Invasive Trees to Avoid Planting

invasive Tamarix ramosissima.jpg (do not plant this invasive tree in CA)

Athel (Tamarix aphylla)

Black Locust (Robinia pseudoacacia)

Blackwood Acacia (Acacia melanoxylon)

Brazilian Pepper (Schinus terebinthifolius)

Chinaberry (Melia azedarach)

Chinese Tallow Tree (Triadica sebifera)

English Hawthorn (Crataegus monogyna)

Peruvian Pepper Tree (Schinus molle)

Red Gum (Eucalyptus camaldulensis)

Russian Olive (Elaeagnus angustifolia)

Saltcedar (Tamarix ramosissima, T. gallica, T. chinensis)

Silver Wattle (Acacia dealbata)

Smallflower Tamarisk (Tamarix parviflora)

Tasmanian Bluegum (Eucalyptus globulus)

Plant These Instead

They are drought/heat resistant, low maintenance, and have no known significant pest or disease problems and are not currently overplanted). Find other suggestions here: https://www.cal-ipc.org/solutions/prevention/landscaping/dpp/?region=socal

African Fern Pine (Afrocarpus falcatus) (formerly Podocarpus elatior)

Cascolote (Caesalpinia cacalaco Smoothie®)

Desert Willow ‘Bubba' (Chilopsis linearis)

Fringe Tree (Chionanthus virginicus)

Island Oak (Quercus tomentella)

‘Maverick' Mesquite (Prosopis glandulosa)

Mulga (Acacia aneura)

Netleaf Hackberry (Celtis reticulata)

Pink Chitalpa (x Chitalpa tashkentensis 'Pink Dawn')

‘Red Push' Pistache (Pistacia x ‘Red Push')

Thornless South American Mesquite (Prosopis x Phoenix)

Posted on Wednesday, January 5, 2022 at 11:39 AM
Focus Area Tags: Environment

Tips to Keep Your Landscape Plants Alive During Drought

In your landscape, your trees and edibles should come first under drought and water restrictions! If there just isn't enough water to go around, your lawn and flowers should be sacrificed instead. Trees are our most valuable landscape resource and take years to maximize their benefits (shade, cooling, habitat/ecosystem enhancement, carbon dioxide storage, energy conservation, pollution filters, etc.).

Just a few slow, deep waterings with a garden hose away from the trunk and slightly beyond the drip line will keep established trees alive, even during summer.  Remember to keep trunks dry!

Here are some other tips:

• Spread and maintain 2-4” of mulch around garden plants and trees (3-4” for wood chips, 2” for pebbles, decomposed gravel, etc.) keeping it a few inches away from tree trunks. (Note: dark colored dyed mulches should be avoided in inland and desert areas due to their high surface temperatures that can > 60 degrees F hotter than living plants and lighter colored mulches.) 

• Water early in the morning when soil evaporation is minimal.

• Control weeds. They compete with other plants for water.

• Avoid fertilizing. Nitrogen increases growth and the need for more water.

• Don't plant new plants during the summer when temperatures are highest. Even drought-resistant native and non-native plants need regular watering their first season.


Posted on Tuesday, June 29, 2021 at 9:24 AM
Tags: anr (1), california (10), canopye (1), drought (8), irrigation (4), los angeles (7), master gardener (46), riverside (8), san bernardino (10), trees (7), uc (3), urban heat islands (7), urban landscapes (1), water (3)
Focus Area Tags: Environment

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