UC Master Gardeners • Napa County Logo

UC Master Gardeners • Napa County

Fuller Park Rose Garden
Rows of greens growing in a raised bed some are purple others green
Event

Library Talk: Favorite Greens To Grow In Spring

Feb 5, 2026

Growing Spring greens is a fun, easy and budget-friendly way to welcome in the season. Using the principle of Right Plant, Right Place, we’ll address concerns of water needs, microclimate, sun and shade and soil quality to grow a selection of tasty and beautiful cool weather greens.  
UC Master Gardeners • Napa County
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Colorful seed packets on a brown wooden background. Packets are Tomato, Chives, Broccoli, Lettuce, Hot Peppers, Salad Scallions, and Peppers
Event

Start Your Own Vegetable Seedlings

Jan 10, 2026

Starting your own vegetable seeds for later transplant is rewarding and easy. Join Napa County Master Gardeners for a hands-on workshop and be prepared for the spring and summer growing season. We’ll cover all the basics, including proper moisture, temperature and light for successful seed-starting and…
UC Master Gardeners • Napa County
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Black background with hands cupped holding soil with a white flower growing in the middle.
Event

Library Talk: Healthy Soil=Healthy Plants

Mar 5, 2026

Do you have healthy soil? Are the plant problems you're encountering in your garden due to the health of the soil? Join the Master Gardeners of Napa County and learn about potential problems and possible solutions for improving your soil.  
UC Master Gardeners • Napa County
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Picture of a person holding shearer up to a yellow-pink rose. More roses in background
Event

Winter Rose Care Workshop

Jan 10, 2026

The Winter Rose Care Zoom workshop will highlight pruning techniques for all types of roses, along with everything needed to make your roses a success in 2026.
UC Master Gardeners • Napa County
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Picture of multiple rose bushes. Bushes are green with roses in bloom.
Event

Winter Rose Care Hands-on Practice

Jan 17, 2026

A Winter Rose Care hands-on workshop will be held Saturday, January 17th at 10:00am in the Fuller Park Rose Garden, Napa. Those who attended the January 10th Zoom workshop are invited to join Master Gardeners to practice what they've learned.
UC Master Gardeners • Napa County
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Man trimming fruit tree
Event

Winter Fruit Tree Care

Jan 24, 2026

Tackling dormant season tasks will reward you with bigger and better fruit this summer. Join Napa County UC Master Gardeners for a free workshop on winter fruit tree care, including pruning techniques, dormant sprays, and how to plant a bare root tree. Attendees will be invited to a hands-on pruning event,…
UC Master Gardeners • Napa County
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Master Gardener Help Desk

Got a plant problem or general gardening question? Your Napa County Master Gardeners are here to help!

Simply complete the Plant Problem Help Form and we will contact you once we have researched your question. For best results, please attach at least one photo of your plant.

Learn more about the Master Gardener Help Desk 

Master Gardener at the Help Desk

 

 

Workshops and Demonstrations

Attend our free UC Master Gardener workshops and demonstrations to learn expert tips and hands-on gardening techniques for a thriving garden 
all year round!

Upcoming Workshops and Demonstrations

Workshops

 

Fire and Disaster Resources

Local resources for fire and disasters

Firefighters working smoke and flames in background

 

 

Want to Become a Master Gardener?

Attend one of our informational sessions to find out how.

Master Gardener Volunteers are adults of all ages who are willing to learn, volunteer, and be involved; some knowledge of plants and gardening is an asset. Master Gardener Volunteers are well trained and enthusiastic individuals capable of imparting their knowledge to diverse groups of people in a wide range of community settings.

Information on our Master Gardener Trainee Class

Master Gardener Informational Brochure (PDF, 18 MB)

Master Gardener Trainees in Class

 

Additional Projects and Resources

Gardening Resources

Need a Speaker?

Community Gardens

 

Stay Connected

Contact Us

UC Master Gardeners of Napa County
1710 Soscol Ave Suite 4, Napa, CA
707-253-4143
Get Directions

Publications

Click here for more information about our publications

 

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Upcoming Events

Picture of a person holding shearer up to a yellow-pink rose. More roses in background
January 10, 2026

Winter Rose Care Workshop

The Winter Rose Care Zoom workshop will highlight pruning techniques for all types of roses, along with everything needed to make your roses a success in 2026.
View Event
Colorful seed packets on a brown wooden background. Packets are Tomato, Chives, Broccoli, Lettuce, Hot Peppers, Salad Scallions, and Peppers
January 10, 2026

Start Your Own Vegetable Seedlings

Starting your own vegetable seeds for later transplant is rewarding and easy. Join Napa County Master Gardeners for a hands-on workshop and be prepared for the spring and summer growing season. We’ll…
View Event
Picture of multiple rose bushes. Bushes are green with roses in bloom.
January 17, 2026

Winter Rose Care Hands-on Practice

A Winter Rose Care hands-on workshop will be held Saturday, January 17th at 10:00am in the Fuller Park Rose Garden, Napa. Those who attended the January 10th Zoom workshop are invited to join Master…
View Event
Man trimming fruit tree
January 24, 2026

Winter Fruit Tree Care

Tackling dormant season tasks will reward you with bigger and better fruit this summer. Join Napa County UC Master Gardeners for a free workshop on winter fruit tree care, including pruning…
View Event
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Office Locations

UC Master Gardeners of Napa County

1710 Soscol Ave
Suite 4
Napa, CA 94559
United States