| HERBICIDE | A chemical that destroys plants, especially weeds (9) |
| SPUD | A small, narrow spade for cutting the roots of plants, especially weeds - and a potato! (4) |
| FUNGICIDE | Chemical that destroys spore-bearing organisms (9) |
| SLAY | Destroy plants in cycles (4) |
| SALTPETRE | Chemical that alters pet in such a way (9) |
| GERMICIDE | Any agent that destroys disease-causing micro-organisms (9) |
| PESTICIDE | Substance that destroys insects (9) |
| EPHEMERAL | Any short-lived plant, especially one whose life cycle repeats within a year (9) |
| VEGETABLE | Plant, especially if edible (9) |
| PHEROMONE | Chemical that may attract others of the same species (Usher) |
| ASTEROID | A chemical that can produce a stronger body, and a heavenly one |
| REAGENT | Ruling laid down about a chemical - that causes a reaction (7) |
| ARMYWORMS | Avtaar's unfinished task - cutting supplies for groups that destroy food (4,5) |
| MATCH | A thin strip of wood or cardboard tipped with a chemical that ignites by friction (5) |
| CFCS | Chemicals that destroy ozone, in short (4) |
| ORGANISM | A living animal or plant, especially one so small that it can only be seen by a microscope (8) |
| SPROUT | Young tender shoot of a plant, especially a brassica, eaten as a vegetable (6) |
| SMUT | A disease of plants, especially cereals (4) |
| ACONITE | Any of a family of poisonous plants, especially monkshood or wolfsbane (7) |
| LIANA | A woody climbing plant, especially in a tropical rain forest |