Pest Control Guide

  • Pest: slugs and snails
    Slugs & Snails
  • How to Control Slugs and Snails
    Slugs (and snails) are a big problem for many gardeners. Fortunately, they're fairly easy to control.
  • Parasitic Wasps
    Because these beneficial insects are so small, you're much more likely to see the work of these wasps than the insects themselves.
  • Ladybugs
    Because of their distinctive markings, ladybugs are among the most visible and best-known beneficial predatory insects.
  • Nematodes
    Nematodes feed on the roots of a wide variety of plants, including tomatoes, celery, beans, and spinach.
  • Viruses
    There are many kinds of viruses that can infect a wide variety of plants all over North America, including beans, celery, corn, cucurbits, peas, peppers, spinach, and tomatoes.
  • Green Lacewing
    Lacewings, found throughout the United States, are predators of many garden pests including aphids, thrips, mites, whiteflies, and other small, soft-bodied pests and their eggs.
  • Stinkbugs
    Stinkbugs feed on okra, squash, beans, tomatoes, and a number of other plants by sucking out the plant's juices.
  • Plant Pest Photo Gallery
    Photos of common insects and information about how to identify and control damage.
  • Plant Disease Photo Gallery
    Detailed photos show you how to identify common diseases -- the first step in figuring out how to control a problem.
  • Armadillo
    Techniques for prevention and control.
  • Coyote
    Techniques for keeping coyotes out of your garden.
  • Blossom-End Rot
    A water-soaked spot at the blossom end of tomato fruits is the classic symptom of blossom-end rot. This relatively common garden problem is not a disease, but rather a physiological disorder caused by a calcium imbalance within the plant. It can occur in pepper, squash, cucumber, and melon fruits as well as tomatoes.
  • Peach Tree Borer
    This pest is mostly a problem in California, but can occur wherever peaches grow.
  • Curculio
    Often called plum curculio, this beetle with the long, curved snout is a common pest of apples, peaches, cherries, apricots, pears, and plums, but only east of the Rocky Mountains and primarily in the north.
  • Controlling Bedbugs
    Bedbugs are back. The good news is that organic sprays containing clove, peppermint and orange oils are effective on contact, and it appears that the insects don't develop resistance to them.
  • Codling Moth
    Techniques for controlling codling moths.