Organic Summit Year Round Horticultural Spray Oil RTU (Qt)

Organic Summit Year Round Horticultural Spray Oil is a ready-to-use, ultra-refined oil spray that controls insects and helps prevent plant diseases, approved for organic gardening. This quart sprays straight from the bottle, with no mixing, and can be applied year-round in temperatures from 40 to 100°F without burning plants.

At a glance

• Formulation: Ultra-refined horticultural oil, ready to use
• Size: 1 quart spray bottle
• Temperature range: Safe to apply from 40 to 100°F
• Controls: Aphids, scales, mites, whiteflies; helps prevent powdery mildew
• Approval: Approved for organic gardening

Best for

• Quick, no-mix spot treatment of garden pests
• Year-round use across the dormant and growing seasons
• Fruit trees, ornamentals, shrubs, vegetables, and fruits
• Preventing fungal and bacterial leaf diseases
• Gardeners who want a low-impact, organic option

How to use

Shake well and spray directly onto foliage, covering both the upper and lower leaf surfaces until wet. The oil works by smothering insects and forming a protective barrier that limits disease spread. Apply in calm weather within the labeled temperature range, and reapply as needed to keep pests in check.

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.