Master Gardener Association of San Diego County

Master Gardener Association of San Diego County UC Master Gardeners of San Diego
County answer home gardening questions and volunteer in our community.Contact
858-822-6910 or [email protected].

University of California Agricultural & Natural Resources (UC ANR) is an equal opportunity provider.

Happy Father's Day from the UC Master Gardeners of San Diego County. Enjoy this nice long evening, our Summer Solstice w...
06/22/2026

Happy Father's Day from the UC Master Gardeners of San Diego County. Enjoy this nice long evening, our Summer Solstice when the northern hemisphere gets the maximum amount of sunlight. Past, present, and future growth is so important!

Want to volunteer with us to support growing & gardening in San Diego?
đź“®Look for the red envelope on www.MasterGardenerSD.org & sign up for our newsletter and find out when you can apply to become a Master Gardener too! It is a wonderful community of like-minded nurturers and helpers, so join in!

Photo description: Adult and child hands working together in the soil to plant a seedling. Photo credit: Canva

06/20/2026

Got garden questions? Bring them to our Ask-A-Master Gardener booth tomorrow! We’re proud to be a part of the North San Diego County Naacp Juneteenth Cultural Celebration!

đź“ŤDowntown Oceanside at Pier Way & Freeman St.
đź“… Saturday June 20
⏰ 10a - 5p
❗️ Free Event

It is a family celebration featuring vendors, food, and educational/informational booths. There will also be a Youth zone, a basketball shooting contest from 1:00-3:00, live music, and games and crafts. For more information please see:
đź”— https://ucanr.edu/site/uc-master-gardener-program-san-diego-county/event/ask-master-gardener-juneteenth-festival
đź”— www.nsdcnaacp.org/juneteenth

Photo credits: NSDC NAACP
Video description: compilation of images from 2025 Juneteenth event showing a Juneteenth flag, the event flier, a scenic photo of the street fair scenes with palm trees and Oceanside buildings in the background, smiling vendors, children painting, jewelry and other artists, musicians playing guitars and drums, a policeman dancing, and happy visitors shopping and dancing.

City of Oceanside - Government

06/18/2026

The San Diego County Fair is underway, and it’s a great chance to connect with agriculture right here in our region.

UC Cooperative Extension San Diego supports a range of programs that contribute to local food systems, youth development, and community education—and you can see that work in action at the fair. Our Master Gardener, Master Food Preserver, and 4-H programs are part of the festivities every year.

Stop by to check out gardening tips, food preservation demos, and projects led by local youth. It’s a great way to learn something new, meet the people behind the programs, and see how this work connects across our communities.

🪴Save the date! Our Fall Plant Sale will be on Saturday, September 12, 2026 from 9 am to 3 pm at Balboa Park, Casa Del P...
06/18/2026

🪴Save the date! Our Fall Plant Sale will be on Saturday, September 12, 2026 from 9 am to 3 pm at Balboa Park, Casa Del Prado.

Shop fantastic bargains on a variety of plants, refurbished garden tools, fresh local produce, delightful birdhouses, and imaginative garden art. Participate in our free demonstrations and presentations and bring a working pruner or lopper, as our Tool Care Committee will clean, sanitize, and sharpen for free!

🌿Visit www.MasterGardenerSD.org for more info
đź”— link in bio

Plant*Grow*Eat at the San Diego County Fair was a success! We are proud we were a resource to the 2,500+ students, teach...
06/16/2026

Plant*Grow*Eat at the San Diego County Fair was a success! We are proud we were a resource to the 2,500+ students, teachers, and parents who came through this joyful, educational field trip program. During this week in May, UC Master Gardeners toured the classes through the gardens, the livestock areas, and had them stop at our booth to learn all about some of our favorite decomposers.

Thank you to all our UC Master Gardener volunteers for their hard work! Shown here are Jay Davis, Heidi Bentz, Cindy Davis, Michelle Farrow, and Debbie Handal in action. Photos by Nancy Bellinghiere Hall, Leta Bender, Vicki Pepper, and Jon Lewis.

Applications for schools to participate in this fantastic program next May are on https://www.sdfair.com/p/participate/educational-programs/plant-grow-eat1
🎡💖🌼

Who doesn't love petunias? These old-fashioned flowers (Petunia x hybrida - in the Solanaceae, or Nightshade, family) th...
06/14/2026

Who doesn't love petunias? These old-fashioned flowers (Petunia x hybrida - in the Solanaceae, or Nightshade, family) thrive with regular water in full sun. You can deadhead spent blooms to keep the show coming, and either pinch branch ends to keep the plant compact, or allow them to trail over the edges of pots and garden beds. Feed with a balanced fertilizer if growth starts to slow. Local garden centers have a variety of beautiful options for the garden, with solid, spotted, variegated and double blooms in colors from white through vivid pink and purple. The images show petunias in pink, burgundy, and purple with white speckles on the blooms.

Learn more about the care of petunias and their pests at https://ipm.ucanr.edu/home-and-landscape/petunia

Photo credits: Kriss Blumeyer

Opens tomorrow! Bring your garden questions to us at the San Diego County Fair and we will answer them at our “Ask A Mas...
06/10/2026

Opens tomorrow! Bring your garden questions to us at the San Diego County Fair and we will answer them at our “Ask A Master Gardener” booth. Located south of O’Brien Hall outdoors in the garden area, we will be available each day 11-5 to give gardening advice, help with garden pests, and chat about growing in San Diego! 🌱

✂️ And don’t miss “Keeping YOU the Sharpest Tool in Your Shed: Taking Care of You in the Garden”
👩‍🌾 by UC Master Gardener DeLayne Harmon
⏰ 2-3pm
🪏 Paul Ecke Jr Garden Show
đź“… Tomorrow 6/10
plus on 6/23, and 7/1 too!

Can’t wait to see you there! Entrance tickets + more info on www.SDFair.com 🎡


Photo description: A UC Master Gardener Program of San Diego County and Master Gardener Association of San Diego County flier that says “Come see us at the fair!” with the “Once Upon a Fair” theme logo for the San Diego County Fair 2026, and the dates June 10-July 5.

06/08/2026

Plants & math!

05/19/2026

Today is "Plant Something" Day! Some warm season vegetables to consider growing now: Beans, Cantaloupe, Sweet Corn, Cucumbers, Eggplant, Melons, Okra, Peppers, Summer Squash or Winter Squash, Sweet Potato, Tomato, Watermelon. Be sure to plant when it's cool - early morning, or in the eventing - and water well while the small plants get established.

Visit https://www.MasterGardenerSD.org/Growing-Guides for ideas on what to plant, to help get your garden started, or to keep it going! If you can't find answers there, contact our Hotline at (858) 822-6910 or [email protected]
🍅

Image credits: Canva
Video shows plants growing including peppers, tomatoes on a windowsill, eggplants in a tray of pots, bean seedlings, small corn plants, sweet potatoes and their vine, a young watermelon plant, squash seedlings, a zucchini plant, an okra plant, closeup of okra growing amongst leaves, and a young butternut squash growing with its vine in the background. There is music of acoustic guitar with mellow vocals playing.

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San Diego, CA

Telephone

(858) 822-7711

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