University of Florida

Lawn & Garden Problems

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Insects, diseases, weeds, wildlife, and even the weather can mar the beauty of a well-kept yard. Learn how to protect your lawn and garden from common problems.


  • Biological Controls & IPM
    Rely less on pesticides to reduce damage from disease, insects, and other pests.
  • Diseases
    Fungi, bacteria, nematodes, and viruses.
  • Insect Pests
    All kinds of bugs--from ants to wasps.
  • Invasive Species
    Introduced plants and animals that harm the environment, the economy, and/or human health.
  • Nematodes
    Microscopic worms that feed on plant tissues.
  • Pesticides
    Use and safety for gardeners and homeowners.
  • Plants to Avoid
    Poison ivy, stinging nettles, and mistletoe.
  • Weather-related Problems
    Cold, drought, fire, hurricanes, pollution, and other problems.
  • Weeds
    Plants that are invasive, harmful, or simply growing in the wrong place.
  • Wildlife Pests
    Bothersome animals that can damage your property or invade your home.

For information about pesticide applicator training, CEUs, and licensing, see Training & CEUs.

For information about integrated pest management, see Biological Controls & IPM. For information about other alternatives to traditional pest control, see Organic Gardening.

If you can't find the information you're looking for, check our A - Z Index, send us your questions--and tell us which county you live in--or contact your county Extension office.

General Resources

Plant Hardiness Zones

Hardiness Zones map

For-Sale Products