Amazon has the 24oz BioAdvanced Organics Brand Tomato, Vegetable & Fruit Insect Spray on sale for $6.98 with free shipping on $25+ or with Prime (extra 5% off for 5+ S&S orders). Matching the sale price at Lowe's. $10 to $11 at other retailers. 

• Protects against Aphids, Caterpillars, Mealybugs, Spider Mites, etc. Cures powdery mildew.