Hi-Yield 55% Malathion Spray

Hi-Yield 55% Malathion is a water-mix concentrate for outdoor insect control on labeled vegetable crops, fruit trees and ornamental plants. It suits a garden with several kinds of planting where the treatment must be matched to the crop and pest. Aphids, thrips, spider mites, mealybugs and whiteflies are among the listed targets. Bagworms, tent caterpillars, Japanese beetles and soft scale appear in specific plant entries. The same insect may have different directions on different plants, so identify both before mixing.

For vegetable beds, the product has directions for tomatoes, cabbage and potatoes. The edible-crop entries include a seven-day interval between treatments and an interval before harvest. That makes timing part of the job. Check the picking calendar before spraying, especially when fruit is already developing. Do not carry one crop's rate or harvest wait over to another vegetable. The exact plant entry determines what can be treated and when the crop can be picked.

Fruit-tree directions name peaches and pears and distinguish their harvest timing. Pears have a shorter listed wait than peaches, while Bosc pears can be injured. Those details matter in a mixed home orchard. Confirm the variety and pest first, then keep the spray on the plant and target covered by the relevant entry. Do not treat nearby trees just because their foliage touches or because they share a common pest.

Ornamental plantings have separate directions for different pests. Inspect shrubs and flowering plants for live insects or fresh feeding before preparing a treatment. New damage can help locate active feeding; old leaf marks by themselves do not show that insects are still present. Focus the treatment on the affected listed plants. This makes it easier to avoid unnecessary spraying across an entire bed when only one shrub or section has active pests.

This concentrate is measured into water and applied with a hose-end or tank sprayer. It is not a ready-to-use spray. Keep the crop and pest directions at hand while mixing, since rates and repeat schedules vary across the product's uses. The directions also call for keeping people and pets away during application and until treated plants have dried. For edible plants, plan around the crop's harvest interval. A short check of the plant, pest and picking schedule helps keep a treatment within the intended garden job.

Product labels

SKU 88, Size 16 oz, maker product number 32028. Product label PDF: https://www.fertilome.com/ProductFiles/55%20Malathion-16oz-32028.pdf

SKU 2503, Size 32 fl oz, maker product number 32029. Product label PDF: https://www.fertilome.com/ProductFiles/2026/06/10/32029%2055%20Malathion%20label.pdf

Cautions

SKU 88, Size 16 oz. Harmful if swallowed. Harmful if absorbed through skin. Harmful if inhaled. Causes moderate eye irritation. Avoid contact with skin, eyes and clothing. Avoid breathing spray mist or vapor. Prolonged or frequently repeated skin contact may cause allergic reaction in some individuals. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet.

SKU 2503, Size 32 fl oz. Harmful if swallowed. Harmful if absorbed through skin. Harmful if inhaled. Causes moderate eye irritation. Avoid contact with skin, eyes and clothing. Avoid breathing spray mist or vapor. Prolonged or frequently repeated skin contact may cause allergic reaction in some individuals. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet.

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