Pests and Diseases

  • Keeping Wildlife out of the Garden
    In this video, our friend and gardening expert Charlie Nardozzi talks about how to keep wildlife out of your garden.
  • Colorado Potato Beetle
    Techiques for prevention and control of Colorado potato beetles in your garden.
  • Asparagus Beetle
    These quarter-inch beetles and their larvae feed on young asparagus spears; damaged spears often develop blemishes and a shepherd's crook appearance.
  • Scale
    Techniques for control.
  • Squash Bug
    Techniques for prevention and control.
  • Potato Scab
    Techniques for prevention and control.
  • Controlling Animal Pests
    How to control troublesome animal pests.
  • Deer
    Techniques for keeping deer out of your garden.
  • Gopher
    Gophers feed on above- and below-ground portions of many plants. Roots crops, such as potatoes and carrots, and bulbs, such as tulips, are favorite targets.
  • Slug-Resistant Plants
    A list of flowering plants that slugs don't like.
  • Controlling Insect Pests in the Garden
    In this video, our friend and gardening expert Charlie Nardozzi talks about minimizing insect pests in your garden.
  • Preventing and Mitigating Garden Diseases
    In this video, our friend and gardening expert Charlie Nardozzi talks about effective, natural disease controls.
  • How to Control Blossom-End Rot on Tomatoes
    A water-soaked spot at the blossom end of tomato fruits is the classic symptom of blossom-end rot. This relatively common problem is caused by a calcium imbalance.
  • Plant Diseases 101
    What to do when your plant looks sick.
  • Bacterial Soft Rot
    Techniques for prevention and control.
  • Most Bugs are Good Bugs
    Most garden visitors -- more than 95 percent -- are either beneficial or benign.
  • Onion Neck Rot
    Techniques for prevention and control.
  • 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.
  • All About Yellow Jackets, Bees and Their Kin
    How to identify yellow jackets, honeybees, bumblebees and other stinging insects. Techniques for preventing problems.
  • Common Flower Diseases
    Mid- to late summer is the time plant diseases become noticeable in gardens and landscapes. Some of the most common diseases found on flowers the home garden include powdery mildew, gray mold (Botrytis), and black spot.
  • Mouse-Proofing
    Autumn temperatures send mice scurrying to warmer places, such as homes. The key to keeping them out?
  • Cutworm
    Techniques for prevention and control of cutworms.
  • Codling Moth
    Techniques for controlling codling moths.
  • Earwig
    Techniques for prevention and control.
  • Corn Rootworm
    Techniques for prevention and control.
  • Cabbageworm
    Techniques for prevention and control.
  • Lacewing
    Learn how to attract the lacewing, a beneficial insect.
  • Celery Leaftier
    Techniques for prevention and control of this caterpillar that chews on leaves of celery, beets, and other crops.
  • All About Bats
    Learn how -- and why -- you should make a home for bats in your backyard.
  • How to Prevent Late Blight on Tomatoes
    How can you prevent late blight on tomatoes? Unfortunately, there's no silver bullet for late blight.
  • Yellow Jacket FAQs
    Often confused with bees, yellow jackets are much more aggressive, and most reported "bee stings" may in fact be yellow jacket stings. Here are some of the most commonly asked questions.
  • Late Blight
    This fungus disease attacks tomatoes and potatoes at any stage of growth. Irregular gray spots form on leaves.
  • Club Root
    Techniques for prevention and control.
  • Powdery Mildew
    Techniques for prevention and control.
  • Tomato Hornworm
    Techniques for prevention and control.
  • Are You Ready for Roses?
    To help ensure your success with roses, we've gathered some rose care products to help you get the most from your roses.
  • Animal Fencing Techniques
    Fencing is the only sure-fire way to keep wild and domestic animals out of a prized garden.
  • Keeping Animal Pests Out of Your Garden
    What is a nature-loving, generally peaceful soul to do when voles, woodchucks, squirrels, gophers, rabbits, moles, and other furry little mammals wreak havoc on our gardens?
  • Skunk
    Techniques for prevention and control of skunks in the garden.
  • Coyote
    Techniques for keeping coyotes out of your garden.
  • Fruit Fly
    Techniques for prevention and control.
  • Aster Yellows
    Techniques for prevention and control.
  • Leafhopper
    Techniques for prevention and control of leafhoppers.
  • Carrot Rust Fly
    Techniques for prevention and control.
  • 7 Steps to Diagnosing Plant Problems
    If you want to avoid using broad-spectrum poisons in your garden, the key to success is taking time to observe and try to understand what's really going on. It's the single most important action you can take.
  • Controlling Lily Leaf Beetles
    How to keep lily leaf beetles from destroying your lilies.
  • Controlling mosquitoes
    This guide will help you enjoy being outdoors, even during mosquito season.
  • Flea Beetle
    Techniques for prevention and control.
  • Septoria Leaf Spot
    Techniques for prevention and control of septoria leaf spot, a fungal disease that can affect a wide variety of plants.
  • Leafminer
    Techniques for prevention and control of leafminer larvae which can hurt leafy crops like spinach and lettuce.
  • Grasshopper
    Techniques for managing grasshopper populations in the garden.
  • European Corn Borer
    Techniques for prevention and control.
  • Bacterial Blight
    Techniques for prevention and control.
  • Wireworm
    Techniques for prevention and control.
  • Asian Lady Beetles — More Than a Nuisance
    Both Asian lady beetles and native species hunt garden pests. However, Asian lady beetles have become a troublesome pest in many parts of the country.
  • How to Work With Nature to Minimize Pest and Disease Problems
    How to work with nature to control pests and diseases, and enjoy a healthier garden and harvest.
  • Protect Your Garden From Deer
    Techniques for repelling deer.
  • Aphid
    These small, soft-bodied, pear-shaped insects cluster densely on tender new growth and the undersides of leaves to suck plant juices.
  • 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.
  • Spider Mite
    Techniques for prevention and control.
  • Mealybug
    Mealybugs suck plant juices from fruit crops, potatoes, and many kinds of houseplants.
  • Bacterial Wilt
    Techniques for prevention and control.
  • Troubleshooting Tomato Problems
    What's wrong with my tomatoes? Learn how to diagnose and treat tomato problems.
  • How to Control Japanese Beetles
    How do you control Japanese beetles in the garden? This guide will help.
  • Wash Your Houseplants to Prevent Pest Problems
    Inspect houseplants thoroughly before moving them indoors for the winter. Here's how to wash them when you do.
  • Rabbit Controls
    Controlling bunnies with fences, repellents and other techniques
  • How to Recognize Plant Stress
    Sometimes when plants look sick or appear to be under attack by insects, the symptoms are actually a sign that the plant is being stressed by environmental factors. Here are some common symptoms of stress and the conditions that cause them.
  • Fusarium Wilt
    Techniques for prevention and control.
  • Blister Beetle
    Techniques for prevention and control.
  • Four-Lined Plant Bug
    Techniques for prevention and control.
  • Parsnip Canker
    Techniques for prevention and control.
  • How to Control Snails
    Techniques for prevention and control.
  • A Savvy Gardener Gives Deer Their Own Clover Meadow
    Smart gardener gives deer their own clover meadow.