Location: Sunnyvale Library Program Room, 665 W. Olive Ave., Sunnyvale

Host: California Native Plant Society

Description: Since the 1980s, Western monarch butterfly populations have plummeted by more than 95%, putting this iconic species at risk of disappearing within our lifetime. In this talk, we’ll explore the fascinating life cycle and epic migration of the Western monarch, uncover the key reasons behind its dramatic decline and highlight the urgent need for action.

Registration: None

More details: Event details

Location: Online (Zoom)

Host: City of Milpitas (BAWSCA)

Description: Boost your soil condition by composting!  Healthy soil is the foundation of a beautiful, bountiful garden. Join us to the learn the best tips and tricks to keep your soil in good shape.

Registration: Register here

More details: Event details

Location - Palo Alto Demonstration Garden

851 Center Drive
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - The Palo Alto Demonstration Garden is open to the public every Saturday morning, from 10 am–noon, May through October, with Master Gardeners on site to answer your gardening questions.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-open-garden-saturdays-palo-alto-47

Location: Zoom Webinar

Host: Valley Water

Description: This is part of a series on learning how to design a yard using the principles of watershed-wise landscaping. This webinar focuses specifically on best management practices for passive and active capturing of rainwater in the landscape.

Registration: Register here

More details: https://greengardensgroup.com/g3-events/rainwater-capture-valley-water20251023/

Location: Online (Zoom)

Host: City of Sunnyvale (BAWSCA)

Description: Participants will learn how to install and maintain a simple system for capturing and storing rainwater to use for irrigation.

Registration: Register here

More details: Event details

Location - Milpitas Library

160 North Main Street
Milpitas, CA 95035
United States

Host - UC Master Gardeners

Description - Want to learn about growing blueberries? This exciting talk will include stories of success and disappointment growing blueberries in Santa Clara County. The emphasis of the talk will be on growing blueberries in containers. Types of blueberries that do well in our area will be discussed as well as site selection, sun, soil, water, fertilizer, mulch, amendments, pruning, harvesting and pests' control.

Registration - Registration is not required for this free event

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/growing-blueberries-santa-clara-county-milpitas

Location - Willow Glen Branch Library

1157 Minnesota Avenue
San Jose, CA 95125
United States

Host - UC Master Gardeners

Description - Join UC Master Gardener Laura Westley as she reveals the secrets to successfully growing these captivating plants. Laura will guide you through the basics of tillandsia care, from watering and light to creative ways to display them. With her expert guidance, you’ll learn how to cultivate your own impressive collection.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/world-plants-without-soil-willow-glen

Location - Palo Alto Demonstration Garden

851 Center Drive
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - The Palo Alto Demonstration Garden is open to the public every Saturday morning, from 10 am–noon, May through October, with Master Gardeners on site to answer your gardening questions.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-open-garden-saturdays-palo-alto-46

Location - McClellan Ranch Demo Garden

22221 McClellan Road
Cupertino, CA 95014
United States

Host - UC Master Gardeners

Description - In this talk by UC Master Gardener, Mint Pasakdee, will give practical, evidence-based information on the essentials of indoor plant care. She will cover the basics of light, water, soil, and fertilizer. Bring your houseplant questions!

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/mrdg-bringing-nature-your-home-houseplants

Location - Online Zoom Webinar

Host - UC Master Gardeners

Description - Do your trees or shrubs look unhealthy? A variety of insects, wildlife, and diseases can attack these plants making them unattractive or slow to grow. In this webinar, horticulture expert Chris Shogren will cover common pests of landscape trees and shrubs, their management, and tips for proper plant care to reduce pest problems.

Registration - https://ucanr.zoom.us/webinar/register/WN_0OvRO2bGQa2O48550AX1NA#/registration

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/tree-and-shrub-pests-online

Location: Online (Zoom)

Host: City of Palo Alto (BAWSCA)

Description: In times of drought and high heat, protect your home from wildfire risk. Learn how to spot key points of vulnerability, maintain healthy soil moisture, and apply landscape maintenance practices that improve safety.

Registration: Register here

More details: Event details

Location - Online Zoom Webinar

Host - UC Master Gardeners

Description - Have a sick plant, an ailing tree, mysterious spots on leaves? Chat with a UC Master Gardener via Zoom to diagnose your plant problems.

Registration - https://ucanr.zoom.us/meeting/register/tJMtceqoqDIoGdNRo8JyvS-9cxtNZM1fpK3j#/registration

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/plant-clinic-online-4

Location - Mountain View Public Library

585 Franklin Street
Mountain View, CA 94041
United States

Host - UC Master Gardeners

Description - Are you eager to compost but have no space and fear the smells? Consider vermicompost made with only paper, food scraps and worms. If compost is gold for the garden, Vermicompost is platinum. It takes less space, has little odor, is better for plants, and costs almost nothing to make. It can even be done inside the house. Bring the whole family and discover the how's and why's of vermicomposting. Kids will love the worms and the hands-on experience!

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/worms-fun-way-compost-mountain-view-0

Location - Palo Alto Demonstration Garden

851 Center Drive
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - The Palo Alto Demonstration Garden is open to the public every Saturday morning, from 10 am–noon, May through October, with Master Gardeners on site to answer your gardening questions.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-open-garden-saturdays-palo-alto-45

Location -

Murphy Park Building 
250 N. Sunnyvale Ave
Sunnyvale, CA 94086

Host - UC ANR

Description - This workshop will focus on composting of backyard trimmings and food scraps. Learn about compost application - your soil will thank you!

Registration - https://surveys.ucanr.edu/survey.cfm?surveynumber=45271

More details - https://ucanr.edu/county-office/santa-clara-county/community-workshops-your-neighborhood

Location - Martial Cottle Park

5283 Snell Avenue
San Jose, CA 95136
United States

Host - UC Master Gardeners

Description - Join us for our Fall Garden Fair, part of the Martial Cottle Park Fall Festival! See our Fall Garden Fair page for full details. The event is held rain or shine.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/martial-cottle-park-fall-garden-fair-san-jose

Location - Palo Alto Demonstration Garden

851 Center Drive (intersection of Center Drive and Martin Street)
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - Join the ranks of gardeners who plant their gardens each year from seed they saved themselves. Learn what seeds can be expected to come "true to type" and how to save seeds from your beans, tomatoes, peppers, squash, cucumbers, and other summer vegetables. Seeds saved from some of the summer plants grown at PADG will be shared. Other resources for learning about seed saving and information about how to share seeds with others will be discussed.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-easy-seed-saving-summer-vegetables-palo-alto

Location - Palo Alto Demonstration Garden

851 Center Drive
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - The Palo Alto Demonstration Garden is open to the public every Saturday morning, from 10 am–noon, May through October, with Master Gardeners on site to answer your gardening questions.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-open-garden-saturdays-palo-alto-44

Location -

Heritage Park
771 Rengstorff Ave
Mountain View, CA 94043

Host - UC ANR

Description - This workshop will focus on composting of backyard trimmings and food scraps. Learn about compost application - your soil will thank you!

Registration - https://surveys.ucanr.edu/survey.cfm?surveynumber=45274

More details - https://ucanr.edu/county-office/santa-clara-county/community-workshops-your-neighborhood

Location: Online (Zoom)

Host: City of Santa Clara (BAWSCA)

Description: Get your plants from newly installed to thriving with minimal inputs and effort.

Zoom links will be emailed before the webinar.

Registration: Register here

More details: Event details

Location - Online Zoom Webinar

Host - UC Master Gardeners

Description - Join them from 11 am–noon on the first Wednesday of each month to learn about invasive pests and their impacts in California. The series is free and open to the public, but advance registration is required. All webinars will be recorded and posted to their YouTube channel in case you miss one! 

Registration - https://ucanr.zoom.us/webinar/register/WN_ZxyFkGOyRfKDw-R-LEVF9g#/registration

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/growing-threat-our-trees-online

Location -

Lucie Stern Community Center
1305 Middlefield Rd
Palo Alto, 94301

Host - UC ANR

Description - This workshop will focus on composting of backyard trimmings and food scraps. Learn about compost application - your soil will thank you!

Registration - https://surveys.ucanr.edu/survey.cfm?surveynumber=45288

More details - https://ucanr.edu/county-office/santa-clara-county/community-workshops-your-neighborhood

Location - Palo Alto Demonstration Garden

851 Center Drive
Palo Alto, CA 95301
United States

Host - UC Master Gardeners

Description - [2-3 sentences]

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/padg-open-garden-saturdays-palo-alto-43

Location - Everett N. Eddie Souza Park & Community Garden

2380 Monroe Street
Santa Clara, CA 95051
United States

Host - UC Master Gardeners

Description - The Master Gardeners will open the event with a presentation on how to attract bees and pollinators to your garden. Next, participants will break out into groups led by citizen scientists to help locate and document pollinators at the garden. Participants will be able to take home guides and resources so they can create pollinator-friendly gardens. 

Registration - Registration is required for this free, family-friendly event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/parks-pollinators-bioblitz-santa-clara

Location: Zoom Webinar

Host: Valley Water

Description: For many individuals, removing turf and replacing it with a watershed-wise landscape is overwhelming and cost-prohibitive. This webinar helps attendees understand the expenses, prioritize the choices, and determine how to minimize costs.

Registration: Register here

More details: https://greengardensgroup.com/g3-events/lawn-transformation-on-a-budget20250925/

Location - Martial Cottle Park in the UC Master Gardener Parcel

5283 Snell Avenue
San Jose, CA 95136
United States

Host - UC Master Gardeners

Description - Learn how to create beautiful flower arrangements from flowers you can grow in your garden! Join us for a workshop where you will learn how to cut and arrange flowers for beautiful table arrangements and bouquets.

Registration - https://surveys.ucanr.edu/survey.cfm?surveynumber=23916

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/mcp-flower-cutting-and-arranging-workshop-san-3

Location - Sunnyvale Teaching and Demonstration Garden

433 Charles Street
Sunnyvale, CA 94086
United States

Host - UC Master Gardeners

Description - Learn how to bring color and interest to your garden year-round with California Native plants.We will take a mini tour of the Native garden area to introduce some of the beautiful Native plants you can add to your garden. We will have time for a question & answer session, so please come with your questions about Native plant gardening.

Registration - Registration is not required for this free event.

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/stdg-beauty-and-biodiversity-benefits-native

Location: Rinconada Library Embarcadero Room 1213 Newell Rd, Palo Alto, CA 94303

Host: City of Palo Alto (BAWSCA)

Description: Join our Family Workshop: Attracting Good Bugs to Your Garden! Learn how beneficial insects help your garden thrive, which flowers attract them, and how to spot harmful pests. This interactive, family-friendly event includes a fun activity for all ages and tips to create a healthy garden.

Registration: Register here

More details: Event details

Location - Martial Cottle Park

5283 Snell Avenue
San Jose, CA 95136
United States

Host - UC Master Gardeners

Description - Master Gardener Mint Pasakdee will share about the basic tips and sciences of seed saving and how-to successfully save seeds for future uses. Also, tips on seed storage, share and exchange with local gardeners.

Registration - This is an in-person event

More details - https://ucanr.edu/site/uc-master-gardeners-santa-clara-county/event/mcp-seed-saving-tips-san-jose

Location: Kirk Park, 1601 Foxworthy Ave., San Jose

Host: California Native Plant Society

Description: Come explore the 14K square foot native plant garden at Kirk Park. There will be garden docents onsite and a nearby picnic table area with free seeds and cuttings. Live examples of many of the cuttings available can be viewed in the garden itself! We will have live, interactive cutting demonstrations, so you can learn to start your very own cuttings at home. You may also bring your own containers for transporting cuttings.

Registration: None

More details: Event details