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This Week in the Garden

Gardener's Companion

Gardeners companion new

Information on this page is adapted from “A Gardener’s Companion for the Central San Joaquin Valley,” 3rd edition (2017). Get your copy from  Fresno County Master Gardeners for $30. Makes a great gift for all your gardening friends.

 Gardening Questions answered at mgfresno@ucdavis.edu Prepared by Judy Parker, Master Gardener UCCE Fresno County.

Garden Checklist for the week of August 5, 2022

A houseplant is simply an outdoor plant brought inside. Light requirements vary for indoor plants but most of them will not tolerate direct summer sun.

 

Tasks: 
    • Check drip emitters to adjust flow and remove clogs.

drip emitters

    • Lightly trim lavenders after they have finished flowering to keep them compact.

    • Support any heavily laden branches of fruit and nut trees.

Pruning: 
   • Deadhead roses, remove suckers and unwanted branches, and prune to improve air circulation.

   • Divide iris every 2 or 3 years and replant new rhizomes.

dividing iris


Fertilizing: 
   • Fertilize annuals and roses for fall bloom.


Planting: 

  • Any planting this month will require adequate water and sun protection.
   • If you plant shrubs or trees, be sure to provide adequate water and sun protection.
   • Bulbs, corms, tubers: Watsonia.

Watsonia
Watsonia

   • Fruits and vegetables: lettuce, mustard, peas, potatoes, spinach, Swiss chard, turnips, plant from seed.

Judy Parker, MG UCCE Fresno County

Consult the California Garden Web for more information.

Seasonal Produce

What produce is in season and where can you find it? 

Fresno farmer's markets will help you find Farmers Markets, Farm Stands and CSAs in Fresno County

summer veggies

 

Enjoy Now!

• Annuals and perennials: petunia, annual phlox (Phlox drummondii), moss  rose (Portulaca), sage (Salvia), Stokes’ aster (Stokesia), verbena, zinnia.

red petunias

   • Bulbs, corms, tubers: lily (Lilium asiatic hybrid).
   • Trees, shrubs, vines: desert willow (Chilopsis), rose, chaste tree (Vitex).
chaste tree (Vitex).
chaste tree (Vitex).

   • Fruits and vegetables: cantaloupe, plum, tomato, tomatillo, squash.

Things to ponder

 • Do not allow vegetables to dry out but do not overwater either. A consistent, even supply of moisture prevents bitterness in cucumbers and cracking and poor fruit  quality in tomatoes.

cucumber on vine

   • Standing water, even in the very smallest container, can be a breeding ground for mosquitoes.

   • Browse fall catalogs to order seeds and bulbs for winter and spring.

Clovis water schedule

Fresno water schedule

Seasonal IPM Information

yellowjacket
Yellowjackets

For information about seasonal pests see the UCANR Seasonal IPM checklist.

Yellowjacket wasps prey on other insects and scavenge on human food and garbage.Yellowjackets, sometimes called “meat bees,” defend their nests, as do other social wasps and bees. They are more likely to sting if disturbed while foraging. Stings generally cause pain and short-term injury, but some people suffer severe allergic responses. Prevent stings by avoiding wasps and removing food sources. Trapping or nest treatment can reduce yellowjacket populations.

Make sure it’s a yellowjacket.

  • Yellowjackets are 1⁄2 to 1 inch long with jagged bright yellow and black stripes. Their narrow “waists” are barely visible. Unlike other common wasps, yellowjackets scavenge on food. They nest in holes in the ground, inside wall cavities, or in hanging nests totally enclosed in gray paper with a single entrance.
  • Paper wasps have long slender waists, build paper nests with many open cells under eaves, and are rarely aggressive.
  • Mud daubers are dark-colored and thread-waisted. They build small, hard mud nests and rarely sting.
  • Honey bees are less brightly striped than yellowjackets and have more hair. They usually aren’t attracted to food, although they may go to sweets. Honey bees are unlikely to sting unless trapped or stepped on. They often nest inside cavities in trees or houses.

Stay calm to avoid stings.

  • If a wasp lands on you, don’t swat it or run. Wait for it to leave, or gently brush it away.
  • Don’t disturb nests. Wasps flying from a hole in the ground or a building indicate a probable nest.

Remove attractive food sources.

  • Keep food, including pet food, covered or indoors.
  • Outdoors, cover soda cans so wasps don’t crawl in.
  • Keep garbage in sealed cans and empty regularly.
  • Pick up and dispose of ripe fruit.

Use traps to reduce yellowjacket numbers.

  • Yellow lure traps hung along the perimeter of a property can reduce foraging of some species around patios or picnic areas.
  • Homemade traps using meat bait hung on a string just above soapy water may also be used.
  • Place traps away from areas where people gather, such as picnic tables.