Organic Monterey Horticultural Oil (Qt)

Organic Monterey Horticultural Oil (Qt) is a mineral oil spray for year-round control of insects, mites, and fungal diseases, in a quart size for smaller jobs. Formerly sold as SAF-T-Side by Monterey Lawn and Garden, it can be used in both the dormant and growing seasons. The active ingredient is mineral oil at 80% of the formula (92% unsulfonated residue).

At a glance

• Active ingredient: 80% mineral oil (92% unsulfonated residue)
• Size: 1 quart concentrate
• Controls: Mites, aphids, scale insects, leafminers, fungus gnats; powdery mildew and rust
• Mode of action: Suffocation of soft-bodied insects; disrupts fungal attachment
• Use on: Fruit trees, vegetables, berries, flowers, grass

Best for

• Year-round pest and disease control
• Dormant-season cleanup of overwintering pests
• Soft-bodied insect outbreaks during the growing season
• Integrated pest management on a mix of crops
• Gardeners who want a smaller quart for spot treatment

How to use

Dilute with water at the label rate for your target pest and crop. Apply with a sprayer for complete coverage, focusing on leaf undersides and crevices. Spray during calm weather, and avoid treating plants stressed by drought or extreme temperatures. Repeat applications as needed for full control.

About Grow Organic

Grow Organic (groworganic.com) has supplied organic seeds, soil amendments, beneficial insects, and garden tools to home gardeners and small farms for decades, with a focus on sustainable, chemical-free growing.