Tomato Leaf Spray
Quick Facts
- Type
- DIY botanical
- Source
- Steeped tomato plant leaves — a nightshade family member
- OMRI Listed
- No
- Bee Safe
- Yes
- Pet Safe
- Caution
- Residual
- Very short — 1-2 days
- Best For
- Historical interest. Mild repellent when nothing else is available.
What Is Tomato Leaf Spray?
Tomato leaves contain tomatine and solanine — glycoalkaloids mildly toxic to some insects. May also act as repellent.
Source: Steeped tomato plant leaves — a nightshade family member
What Pests Does Tomato Leaf Spray Kill?
Tomato Leaf Spray is effective against the following pests:
How to Apply Tomato Leaf Spray
Best for: Historical interest. Mild repellent when nothing else is available.
Avoid for: Serious pest control. Households with pets.
Residual activity: Very short — 1-2 days
Safety Profile
| Category | Rating |
|---|---|
| Bee Safety | 🟢 Safe for bees |
| Pet Safety | 🔴 Use caution around pets |
| Overall Rating | Caution — Use with caution — timing and technique matter |
Why Isn't Tomato Leaf Spray Working?
If Tomato Leaf Spray isn't delivering results, check these common failure modes:
Tomatine concentration too low for reliable effect
Glycoalkaloids toxic to pets
No peer-reviewed efficacy data
Risk of spreading tomato diseases
DIY Tomato Leaf Spray Recipe
Chop 2 cups tomato leaves, soak in 2 cups water overnight. Strain, dilute with 2 cups water, add drops of castile soap.