| Impact ID | 8684 |
| Impact Type | Biocontrol |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Spearmint (Mentha spicata) repels insects and was formerly used as a strewing herb. Rats and mice intensely dislike the smell of mint. |
| Reference | 33003 |
| Cost | |
| Location | |