Related Clues:
- Hothouse collection
- Makes costume dirty
- Gets mud on
- Destroys deliberately
- Various dirt samples
- Agronomy samples
- Makes confusing
- Bagfuls at garden centers
- Beds for hothouses
- Makes nonfunctional
- Agronomists' dirt samples
- Makes grimy
- Clogs, as a machine or process
- Reviews very harshly
- Gives a zero-star review, say