Garden Troubleshooting

Fact Sheet • June 2026 • Download PDF (2.8 MB)What is IPM?Integrated pest management, or IPM, is a way of using multiple methods to manage pests instead of depending on one or two solutions. These methods can include choosing the right planting practices, encouraging beneficial insects, and using sprays only…

Looking to keep your brain stimulated this summer? Need information about garden pests? Join us every third Thursday of the month from 12:00 to 1:00pm PST to learn about a wide range of urban pest management topics. This series is free and open to the public, but advance registration is …

Every year, Emerald Ash Borer Awareness Week reminds us that one small insect can have a massive impact on our communities. The emerald ash borer (EAB) is an invasive metallic green beetle that has caused the death of millions of ash trees across North America, killing nearly 100% of unprotected street trees…

The fourth annual Farm Robotics Challenge will announce its winners during a live awards ceremony on May 21. The event will be livestreamed on YouTube.

Have you ever seen a walking stick insect, maybe in a museum display or at an entomology demonstration? They look just like twigs and are fascinating creatures. This makes them popular as pets in classrooms and homes. However, if pet walking sticks are accidentally or purposefully let out of their cages,…

Every gardener knows that weeds are just plants in the wrong place. Webster’s dictionary defines a weed as “a plant that is not valued where it is growing and is usually of vigorous growth; especially: one that tends to overgrow or choke out more desirable plants.” The use of weeds as soil indicators is not…

Growing Kale and Collard Greens in the GroundChange planting location, no replanting for 2-4 years Full sun spring/fall, shade in summer Make sure seedling and planting location are moist and fertile before transplantingGently massage roots of kale before planting but gentle root care for the…

In Part 1 of this story, we covered some basics of biological control. Now let’s talk about some of the good bugs helping to control invasive pests in California. Controlling yellow starthistle one weevil at a time Yellow starthistle (or YST) is a harmful invasive plant that is established and…

You have probably heard about the “good bugs” that eat pest insects around your home and garden, like ladybugs, lacewings, and spiders. You may have even purchased some beneficial insects or nematodes at a garden store. Good bugs can also help us manage invasive species, but the process is a bit more…