Summit Year-Round Spray Oil Ready-to-Use Horticultural Oil

Summit Year-Round Spray Oil Ready-to-Use is an ultra-refined horticultural spray oil designed to control listed garden insects and help manage powdery mildew on fruits, vegetables, flowers, ornamentals, trees, and shrubs. This convenient ready-to-use formula requires no mixing or dilution—simply shake well and spray directly on affected plants according to label directions.

Approved for organic gardening and OMRI Listed, Summit Year-Round Spray Oil works by coating and smothering soft-bodied insects, mites, eggs, and certain fungal issues on contact. It is a great choice for gardeners looking for a simple, organic-friendly pest control option for aphids, spider mites, scale, whiteflies, mealybugs, thrips, fungus gnats, powdery mildew, sooty mold, and other listed pests and diseases.

Key Benefits

Ready to Use — No Mixing Required
Pre-mixed and ready to spray straight from the bottle, making it ideal for quick spot treatments and everyday garden pest control.

Controls Common Garden Insects
Helps control listed pests such as aphids, spider mites, scale, whiteflies, mealybugs, thrips, mites, fungus gnats, and other soft-bodied insects.

Helps Manage Powdery Mildew & Sooty Mold
Provides organic-friendly support against powdery mildew, sooty mold, and other listed fungal issues when applied as directed.

Use on Fruits, Vegetables & Ornamentals
Labeled for use on fruits, vegetables, flowers, ornamentals, trees, shrubs, and other listed plants.

Great for Dormant & In-Season Sprays
Use during the growing season when pests appear, or apply during dormant periods to help target overwintering insects, mite eggs, and scale.

Approved for Organic Gardening
OMRI Listed and suitable for organic gardening programs when used according to label directions.

How to Use Summit Year-Round Spray Oil Ready-to-Use

Shake Well Before Use:
Shake the bottle thoroughly before spraying.

Apply Directly to Plants:
Spray affected plant surfaces until evenly wet, including stems, branches, bark crevices, and the undersides of leaves where insects often hide.

Best Time to Spray:
Apply in the early morning or early evening. Avoid spraying during intense direct sunlight or when plants are heat- or drought-stressed.

Late Fall / Dormant Application:
Apply during late fall or dormancy to help smother overwintering insects, mite eggs, and scale insects hiding in bark, buds, stems, and branches.

Temperature Guidelines:
Apply when temperatures are above 40°F and below 100°F. Do not spray if freezing temperatures are expected within 24–48 hours.

Harvest Timing:
When used as directed, this product may be used on labeled fruits and vegetables up to the day of harvest.

Always read and follow the product label before use. Do not apply to drought-stressed plants, oil-sensitive plants, or plants not listed on the label.