| Clue | Source | Date |
|---|---|---|
| Historic Arctic vessel trapped in ice - not one spot to grow plants | ||
| Transparent enclosure for garden plants | USA Today | 02 Apr 2020 |
| Small greenhouse | The Guardian Speedy | 22 Mar 2020 |
| Is this why somebody is freezing? That'll get 17 down started! | ||
| Nursery provision arrived -- ancient father enthralled | The Telegraph Toughie | 06 Jan 2015 |
| Protective garden structure |