Under cover
Cold frame
If the frame is glazed with glass, handle it with care: panes can crack and cut, and the hinged lid is heavy and can trap fingers. Prop the lid securely when open. Toughened glass or polycarbonate is a safer choice where children or pets use the garden.
- Where to get help
- Seek medical advice or call NHS 111, or follow the product label
A low unheated glazed box.
Best for
Hardening off, cuttings, alpines, early salad
Notes
The cheapest way to extend the season.