Hi-Yield 38 Plus Turf Termite & Ornamental Insect Control


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Very effective outdoor insect control

Hi-Yield 38 Plus is the highest percentage (38%) permethrin allowed by the EPA. This product is for outdoor use only because it is petroleum based which unlike water based formulas this product should not be used on clothing or indoors.

This product is non-staining to most home siding depending on age and cleanliness. However, before using in areas where the spray may contact home siding (vinyl siding, in particular), test in an inconspicuous area and recheck in a few hours. Do not use if any staining is observed.

This product may be used to control insect pests outdoors, on ornamentals, lawns, trees, shrubs, and vines in landscape areas, as a perimeter treatment around residential buildings. Hi-Yield ® 38 Plus Turf, Termite & Ornamental Insect Control Containing 38% Permethrin may also be used to control home-invading Insects as a residual spray on outside surfaces, such as walks, garbage areas, window frames, doorways, porches and patios.

Application Instructions: Hi-Yield ® 38 Plus Turf, Termite & Ornamental Insect Control Containing 38% Permethrin mixes readily with water and is specifically packaged for residential use as a diluted spray. Use a clean sprayer, such as a tank type or hose-end sprayer to mix and apply the proper amount of concentrate with the desired volume of water. For perimeter and lawn applications measure the area to be treated to determine the application volume. For trees, shrubs and flowers, apply as a thorough cover spray until foliage is wet. Refer to Special Application Instructions in the recommended rate Tables for additional instructions.


Mix 1.6 fluid ozs. (3 ¼ Tablespoons) of this product per gallon of spray solution to make a 0.5% emulsion (1 Fluid oz. =2 Tablespoons (T) = 6 teaspoons (tsp.).


Spot Treatment

  • Apply a 0.5 % emulsion as a pin stream low-pressure spray or as a paint-on application with a paintbrush.
  • Treat where pests are found or entry points of the structure such as window frames, doorways, porches, patios and foundation.
  • Spot-treatment may also be made to garages, garbage cans, and garbage areas.
  • DO NOT apply indoors (including crawl spaces).

Perimeter Application

  • Spray a 6 to 8 foot wide band of soil around the perimeter of the house. Treat the foundation wall to a height of 2 to 3 feet.
  • Use a spray volume of 2 to 10 gallons of 0.5 % emulsion per 1000 square feet. If mulch or debris is present, a higher volume application rate may be needed to ensure adequate coverage.

Note: residual control will vary depending on exposure of the treated area to weathering conditions (temperature, sunlight, moisture). Retreat on a monthly schedule while Insects are likely to be active.

Wood Destroying Pests

Localized Areas Outdoors: For the control of Insects such as termites, bees, carpenter ants and wood infesting beetles in localized above-ground areas of infested wood around structures, apply a 0.5 % emulsion to voids and galleries in damaged wood and in spaces between wooden members of a structure and between wood and foundations where wood is vulnerable. Apply either as a spray or paint-on application. For termites, the purpose of application is to destroy workers or winged reproductive forms, which may be present at the time of treatment. This product is not designed for preventative use and should only be applied when pests appear. This application is not a substitute for soil or foundation treatment. For active infestations inside a structure, consult a licensed Pest Control Service.

Use a hose-end sprayer or sprinkling can to deliver a coarse drenching spray to treat stored lumber or woodpiles. Stored wood can be used for lumber one month after treatment. Do not apply inside structures.

Repeat treatment as necessary, but not more frequently than once a month. For active termite infestation, consult a professional Pest Control Applicator.

Additional information

Weight 1.5 oz
Dimensions 2.25 × 3.5 × 7 in


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