Rotenone
Quick Facts
- Type
- Botanical (banned/restricted)
- Source
- Extracted from roots of Derris and Lonchocarpus plants — once the most popular organic insecticide
- OMRI Listed
- No
- Bee Safe
- No — apply in evening
- Pet Safe
- Caution
- Residual
- 3-7 days in sunlight; weeks in shade or water
- Best For
- Nothing. Historical interest only.
What Is Rotenone?
Inhibits mitochondrial Complex I electron transport, shutting down cellular energy production. Kills by preventing cells from using oxygen. Broad-spectrum — kills nearly all insects on contact or ingestion.
Source: Extracted from roots of Derris and Lonchocarpus plants — once the most popular organic insecticide
What Pests Does Rotenone Kill?
Rotenone is effective against the following pests:
How to Apply Rotenone
Best for: Nothing. Historical interest only.
Avoid for: ALL uses. Linked to neurodegenerative disease. Highly toxic to aquatic ecosystems.
Residual activity: 3-7 days in sunlight; weeks in shade or water
Safety Profile
| Category | Rating |
|---|---|
| Bee Safety | 🔴 Toxic to bees while wet |
| Pet Safety | 🔴 Use caution around pets |
| Overall Rating | Warning — Organic but toxic or dangerous to non-targets |
Why Isn't Rotenone Working?
If Rotenone isn't delivering results, check these common failure modes:
LINKED TO PARKINSON'S DISEASE in chronic exposure studies
Extremely toxic to fish and aquatic life
Kills bees and all beneficial insects indiscriminately
Banned or restricted in EU, Canada, and many countries
Lost OMRI listing