| Clue | Source | Date |
|---|---|---|
| Substance to make potting soil more fertile | Newsday | 26 Feb 2024 |
| It fertilises top of land after cultivation (5,4) | ||
| Miracle-Gro, e.g | LA Times Daily | 21 Nov 2016 |
| Fertilizer | Eugene Sheffer | 25 Sep 2015 |
| Greenhouse buy | Eugene Sheffer | 11 May 2015 |
| Nursery bagful | ||
| You might get it at a nursery |