| MILKCHOCOLATE | Drink in hemlock, it's poisonous as sweet (4,9) |
| CONIINE | Poisonous liquid alkaloid occurring in hemlock, famously drunk by Socrates in 399 BC (7) |
| YEWTREE | Conifer, or Taxus, that is poisonous as well as long-lived, thus symbolic of both death and immortality and traditionally planted in a graveyard (3,4) |
| VENOMOUS | Poisonous, as snake (8) |
| TOXIC | Poisonous, as algal bloom (5) |
| FUGU | Pufferfish used as food in Japan after its poisonous liver has been removed (4) |
| SYRUP | Maple -; ingredient used to flavour savoury foods such as ham, roasted parsnips or bacon as well as sweet recipes such as pancakes and waffles (5) |
| OLEANDER | Dogbane family plant - it's been grown in gardens for years despite its poisonous leaves and irritan |
| JIMSONWEED | In novel, lucky chap's addicted to marijuana? It's poisonous! |
| MAMBA | It's poisonous, so mother gets a doctor in (5) |
| HEMLOCK | Elm cutting found in wine - it's poisonous (7) |
| ARSENIC | As that's expanded, it's poisonous (7) |
| LEAD | In great part, it's poisonous (4) |
| TREACLE | Last of sugar in drink, then half of eclair wasted as sweet stuff (7) |
| PIE | Something crusty to be as sweet as (3) |
| STAY | Song, "- As Sweet As You Are" |
| CARAMEL | Apple originally sandwiched in cream crackers and left as sweet (7) |
| MELILOT | Genus of plants in the family Fabaceae also known as Sweet Clover |
| PEAS | Climbers such as sweet ___ may need support as they grow (4) |
| JUBE | Judge unopened tinnie as sweet in Oz |