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UC Master Gardeners of Riverside County


August 2026


Events & Information eBlast

Growing Food for Health Workshop
The image promotes a free workshop titled "Big Farma Workshop: What Can I Grow for That?". The background features a serene landscape of rolling hills and green fields, with a few houses visible near the horizon, suggesting an agricultural setting. In the foreground, a woman stands holding a tray of young plants, smiling and dressed in casual attire with a baseball cap. The main text is displayed prominently in white on a vibrant green background, listing details about the workshop, including the date and time—Saturday, August 1, 2026, at 10 a.m. Additional informational sections provide insight into the workshop's content and highlight the experience of the workshop leader, Tina Marie Davis. The bottom of the image contains contact information and QR codes along with additional resources, framed by a blue box with a logo for the LandUse Learning Center.

Date: Saturday, August 1

Location: 4500 Glenwood Dr., Riverside CA. 92506

Time: 10:00am
RCRCD - Growing Food for Health Workshop

The Riverside Home & Backyard Show
"The Riverside Home & Backyard Show"

Date: August 1 & 2

Location: Riverside Convention Center, 3637 5th Street, Riverside CA. 92501

Time: 10:00am
Home & Backyard Show

Little LandUse Learners
The image is a colorful flyer promoting a children’s nature program called "Little LandUse Learners." The top half of the flyer features a bright blue background with stylized hills and skyline. Below, there are two children sitting on the ground, intently observing a large graphic laid out on the pavement that depicts various plants and animals. The flyer provides essential information, including details about the program's purpose, dates, and activities. The text is primarily white and yellow, contrasting against the blue background for easy readability. Key details include: The title "Free children's activities" at the top. The program description explaining that it involves nature-related activities for children. Three specific dates with topics: Native Plants Matter, I <3 Dirt, and Our Four Seasons. A QR code in the bottom section linking to the program's webpage. Contact information for further inquiries.

Date: Saturday, August 29

Location: 4500 Glenwood Dr., Riverside, CA. 92501

Time: 10:00am
RCRCD - Little LandUse Learners

Butterfly Garden
The image is a promotional flyer for the UC Riverside Botanic Gardens Butterfly Garden event. It features two images of butterflies. On the left, a bright orange butterfly with black spots sits on a red flower with a blurred background of red and green foliage. On the right, a predominantly yellow butterfly with black markings perches on vibrant yellow and red flowers, set against a clear blue sky. In the center top, there is an emblem for UC Riverside Botanic Gardens, featuring a stylized plant with the text “Est. 1961.” Below, on a blue background, white text announces details about the Butterfly Garden event, including docent availability. The UC Riverside Botanic Gardens logo and website are displayed at the bottom.
UCR Botanic Gardens - Butterfly Garden

Storytime in the Gardens
The image is an illustrated announcement for a "Storytime in the Gardens" event. The background features a watercolor-style garden scene with clouds, trees, and bushes. A young child lies on their stomach, reading a blue book, while surrounded by various plants, including a tall tree with orange fruit, green bushes, and leafy plants with pink flowers. The sky is a light blue with fluffy white clouds, creating a serene atmosphere. A small brown bird and a butterfly are also depicted. The text is centralized on the image, with a logo at the top for "UC Riverside Botanic Gardens EST. 1961." Various details about the event are included, such as dates, times, and age recommendations.
UCR Botanic Gardens

Origami with Michelle
The image is a promotional graphic for an event at the UC Riverside Botanic Gardens. The background features a pattern of colorful origami butterflies in shades of blue, orange, and teal against a soft blue backdrop. At the top center, there is a logo for the UC Riverside Botanic Gardens, displaying a green botanical illustration with text. Below the logo, the central white text area has black text detailing the event information. It invites people to learn origami with Michelle at the Gardens on the first Sunday of each month from January to October, between 11 am and 1 pm. The text also highlights that children aged 4 and above, as well as adults, are welcome. The website address for more information appears at the bottom. At the bottom of the image, the UC Riverside Botanic Gardens logo is repeated.
UCR Botanic Gardens

JOIN US AT AUGUST

CERTIFIED FARMERS MARKETS

FARMERS MARKETS FEATURING


UC MASTER GARDENERS


These fun events combine shopping for fresh fruits and vegetables, gourmet foods, flowers, crafts, and many other interesting items with an "Ask the Master Gardener" information table. Master Gardeners are present to answer your gardening questions, hand out a wide range of materials on gardening topics, and present "how to do it" gardening demonstrations. This is where you can find us at farmers markets in August:


PALM SPRINGS--Saturdays, August 8 & 22, from 8:00 am-12:30 pm at 2300 E. Baristo Road


DOWNTOWN RIVERSIDE--Saturday, August 8, from 8:00 am-2:00 pm at Main Street, between 5th and 6th


TEMECULA--Promenade Mall--Wednesdays, August 12 & 26, from 9:00am - 1:00pm, 40820 Winchester Road (Upper Level of Mall, in front of Dick's Sporting Goods)


MURRIETA--Sunday, August 9 & 23, from 9:00am - 1:00pm, Village Walk Plaza, 24480 Village Walk Place

Save the Date!
The image is a colorful flyer advertising a free gardening workshop focused on utilizing poultry. The top half features a bright blue background with a simple landscape illustration of mountains and hills in varying shades of green. Prominently displayed in bold white font, the title "Free Workshop" is at the top, followed by the workshop title, "Fertilizer happens: Gardening with Poultry," in bright yellow. The date and time are listed just below in white and yellow fonts. The lower half of the flyer includes a photograph of two chickens in a garden setting, contributing to its educational theme on backyard gardening. The text briefly explains the benefits of incorporating chickens and other poultry into gardening practices, highlighting their roles in pest control, fertilization, and as pets. The instructor’s credentials are provided, alongside details on the “Ask a Master Gardener” program. The flyer also contains various logos and a QR code at the bottom, as well as contact and location information for the Land Use Learning Center, presented in a clear and organized manner.

Garden Tips for August

Maintenance

  • Continue mulching to conserve soil moisture and control weeds.
  • Keep harvesting vegetables for continued production.
  • Do the final pruning of summer for fruit bushes.
  • Prune apricots to avoid Eutypa fungus. Remove about 20% of this year's growth.
  • To prevent the spread of brown rot, clean up debris around fruit trees and pick up dropped fruit.
  • Control salt build-up on indoor plants; hose off the leaves and flush the soil with ample water.
  • Attach bands of corrugated cardboard around apple tree trunks to trap coddling moth larvae.


Deciduous Fruit Trees

  • Monitor the soil moisture and irrigate as needed. Flooding the soil beneath these trees or using a drip system are both excellent ways to irrigate these. Avoid the use of sprinklers and do not regularly wet the trunk of the tree to reduce the potential of certain diseases.
  • Limit the size of fruit trees: the correct time to prune them is immediately following the fruit harvest, which may be now. Pruning in winter is important for the purpose of fruit production and tree structure. However, winter pruning will not limit the size of a tree; summer pruning will.


Fertilize

  • Camellias, azaleas, and gardenias with chelated iron if there is yellowing between the leaf veins.
  • Indoor plants
  • Strawberries
  • Mature fruit trees (after picking fruit) with Nitrogen and water
  • Roses, six weeks after last application
  • Last feeding of the year for citrus and avocados
  • Chrysanthemums (until the buds start to open)
  • Other plants like begonias, fuchsias, annuals and container plants


Flowers

  • Seed winter annuals this month. 
  • Sow seeds of perennials in flats or pots for transplanting in October. 
  • Try thrift, yarrow, coneflower and salvia. 


Vegetables

  • In a cool location indoors, start seeds of cabbage, broccoli, cauliflower, kale, bunching onion, and radicchio for over-wintering. 
  • Direct seed oriental greens, beets, carrots, lettuce, turnips, Florence fennel, mustard, radish, rutabaga, spinach, and leeks.


Herbs

  • You can still get a decent harvest of basil if you get it planted right away. Keep pinching the flowers off as they develop. Flowers not only reduce the quantity and size of the foliage, but change the flavor of basil as well.
  • Many perennial herbs can be planted nearly year-round, even during the heat of August if they are watered carefully. These include marjoram, oregano, rosemary, sage, thyme, feverfew, lavender, lemon balm, lemon grass, lemon verbena, St. John's wort, tansy, tarragon and thyme.


Spray

  • All fruit and nut trees: Check IPM for safe and effective sprays
  • Walnuts for husk fly
  • Pears and apples: check instructions to be sure pre-harvest intervals are strictly observed
  • Note: All the effective insecticidal sprays kill bees and other beneficial insects. Do not spray while trees are in bloom.
Master Gardener Logo - Advice to grow by, Ask US!

Have a Gardening Question?

Ask a UC Master Gardener!


Include as much detail as possible and any photos that illustrate your problem/question. 


Email:


Riverside County:  anrmgriverside@ucanr.edu 



You may also call the "Ask Your Master Gardener" Helpline at 951-955-2647 with your questions.

Sign up to receive our monthly Riverside County Events eBlast, full of gardening tips and upcoming event information delivered straight to your inbox. 

rivctyucmgp@gmail.com
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CONTACT US:

 UC Master Gardener Program of Riverside County

2080 Washington Street

Riverside 92504

951-955-0170 (Main)


anrmgriverside@ucanr.edu
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