| Companion plant | Tomato plant part | Shikimic acid | Apigenin |
| Basil | Leaves | - | - |
| Stem | | | |
| Roots | - | - | |
| Peppermint | Leaves | | |
| Stem | | | |
| Roots | | | |
| Hyssop | Leaves | | |
| Stem | | | |
| Roots | | |