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Management Strategies to Minimize Deer Damage in the Landscape

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deer in yard

Image by slgckgc CC-BY

White-tailed deer have become a pest even in urban areas.They eat trees, shrubs, vegetables and other landscape plants grazing on the seedlings, tips, buds, branches, and foliage. Vegetarians, they are frequently found near forest edges. The severity of the damage varies with the deer population and the availability of other food.

Integrated Pest Management Strategies to Minimize Deer Damage in the Landscape

Identification

deer in yard

Image by FLi Ai –CC-BY

  • Scout for deer at dawn, dusk, and nighttime when they are feeding.
  • The split, sharp hooves of deer also leave distinctive footprints
  • Vegetation damaged by deer has a jagged edge

Cultural Management

  • Plant Selection: Plants with sticky or hairy leaves and stems and foliage with a lemony or minty fragrance are less attractive to deer. Place these as garden borders to deter deer.

Mechanical Management

fenced tree

Image by Lucy Bradley

  • Barriers:  Install plastic or woven-wire cylinders around trees and shrubs to fence deer out.
  • Fencing:  Install a high-tensile electric fence. North Carolina Wildlife Resources Commission provide detailed instructions

    fencing

    Image by Lucy Bradley

  • Live trapping and removal of deer is not a practical way to control deer damage.

Biological Management

  • Human Hair:  No research to validate effectiveness.
  • Rotting Eggs:  No research to validate effectiveness
  • Pepper Spray:  A formulation of 1 to 2 tablespoons of Tabasco sauce in 1 gallon of water sprayed on plants has been shown to have limited effectiveness. Be sure to test a leaf with the spray prior to spraying the plant.

Chemical Management

  • See the North Carolina Agricultural Chemicals Manual.
  • Fragrant Soap:  Drill a hole in each bar of soap and suspend it with a twist tie or soft twine on the outer branches of trees every 3 feet. Each bar protects an area of 1 square yard. Replace as needed.
  • Chemical Repellants:  Read the label carefully as not all formulations are safe for use on food crops. All chemicals must be applied according to the label’s directions. Effectiveness depends on the weather, the deer’s appetite, and what other food is available. New foliage that appears after treatment is unprotected. Subsequent rain reduces a chemical’s effectiveness and requires retreatment. Repellents are most effective if applied before deer become accustomed to foraging on garden plants.
  • Do not use mothballs. The use of mothballs (naphthalene) to manage deer is illegal and potentially dangerous. Small children and pets can be poisoned by eating mothballs.

Lethal Management

Additional Resources

deer

Image by Chiot’s Run CC-BY-NC

Websites

Publications:

Selecting Deer Resistant Plants

  • Going Native: Urban Landscaping for Wildlife with Native Plants