Spraying Grape Vines
Spraying is important to the survival of your plants. To handle potential diseases and pests, reference the guidelines below to know what you should spray, and when you should use it.
NOTE: This is part 9 in a series of 11 articles. For a complete background on how to grow grape vines, we recommend starting from the beginning.
Before you begin, read and follow all instructions on labels.
General Maintenance
Spray Monterey Fruit Tree Spray Plus as a preventative measure. No more than 2 applications per year, at least 14 days apart. Do not use more than 2 quarts of spray suspension per 100 square feet of grape vine. Cease spraying 7 days before harvest. (Not for use in California.)
Natural Control
- Serenade® Garden Disease Control for anthracnose, leaf spot, powdery mildew, downey mildew, black rot and more.
When To Spray
Dormancy (late winter/early spring before leaves emerge)
- Monterey Horticultural Oil for plume moth, scale insects and mealybugs.
During New Growth
- Monterey Liquid Copper Fungicide for black rot, downy mildew and anthracnose.
Before Bloom
- Hi-Yield® Captan 50W Fungicide for black rot and downy mildew.
At the First Sign of:
- Safer® Brand Insect Killing Soap for mealybugs, leafhoppers, scale insects, thrips and mites.
- Hi-Yield® Vegetable & Ornamental Insect Control for leafrollers, thrips and worms (berry moth).
- Monterey Fruit Tree Spray Plus for flea beetles, Japanese beetles, grape leaf skeletonizers, grape berry moth, spider mites, mealybugs, thrips, leafhoppers, black rot, downy mildew, scale, leaf spot, and botrytis rot.
- Natural Guard® Caterpillar Killer Spray w/BT for grape leaf roller and omnivorous leaf roller.
- GardenTech® Sevin® Concentrate Bug Killer for scale, Japanese beetles, mites, western grapeleaf skeletonizer, cutworms, leafrollers, grape berry moth, borers, leafhoppers and more.
