| Poisonous snake |
| Poisonous African snake |
| Syrup used to purge accidentally-swallowed poison |
| Arab country suffering from an outbreak of poison ivy? |
| Poisonous gas that smells like garlic |
| Pesticide banned in 1989 |
| Plant poisonous to fish |
| Poison indicators, on bottles |
| Proscribed pesticide |
| Affected by poison ivy, e.g. |
| Poisonous reptile |
| Pea family plant that's poisonous to livestock |
| A poisonous plant, monkshood. |
| Banned pesticide whose discoverer won a Nobel Prize |
| Poisonous plant |
| Poison apple presenter |
| Pesticide targets, at times |
| Small poisonous vipers |
| Anti-malarial pesticide |
| Of a poison: Prefix |
| A poisonous plant |
| Banned pesticide |
| Nonpoisonous Sumac? |
| Poisonous conifers |
| Poisonous Tibetan plant |
| African poisonous snakes |
| Poison antidote syrup |
| Controversial pesticide |
| Poison ivy aftermath |
| Like terrain cultivated to grow poison mushrooms? |