Neem Oil Spray
This neem oil spray works best as a preventive treatment, but you can also use this to treat powdery mildew and other fungal diseases in your garden.
Servings 1 gallon
Cost $10
Ingredients
- 2 Tbsp. neem oil
- 1 tsp. castile soap or liquid dish soap
- 2 tsp. liquid kelp or fish emulsion (OPTIONAL)
- 1 cup warm water
- 1 gallon filtered water
Instructions
- In a small jar, combine neem oil with castile or dish soap.
- Add enough warm water to almost fill the jar, put on lid, then shake vigorously until thoroughly mixed.
- Pour the mixture into a one-gallon garden sprayer and add enough water to equal one gallon.
- OPTIONAL: Add 2 teaspoons of liquid kelp or fish emulsion to the sprayer to feed your plants while you treat them.
- Thoroughly drench the your plants' leaves and stems weekly. (Don't forget the undersides of your leaves!)
Notes
Never apply horticultural oils to plants when temperatures outside are above 90°F (32°C), when they are stressed by drought, or if they have been treated with sulfur within the last two weeks.