Gardening

Transplant shock kills more seedlings than frost ever does. This hardening-off routine cuts losses in UK cold frames without complicated kit.

Closed cold frames can hit 20°C above outside air temperature. These ventilation techniques stop scorched crops and damp-related disease before they start.

High humidity in cold frames spreads slugs, aphids and mould fast. These organic fixes stop the spread before it wipes out an entire tray.

Waterlogging and wind-chill can destroy tender plants in unmanaged cold frames, but simple ventilation and insulation tweaks ensure they thrive come spring.

You lift the lid and your lettuce has wilted. A cold frame micro-climate fighting you is fixable — here is how to diagnose and correct the most common problems.

Damping-off can wipe out a tray of seedlings in days. Catch these five common cold frame errors early and you will stop most problems before they spread.

Empty cold frames in winter are common, but with a simple month-by-month plan, yours can be productive 12 months a year, saving wasted effort and money.

Late frosts ruin spring harvests year after year. A simple cold frame adds three to four extra months to your UK growing season without expensive heat.

January frosts kill most outdoor salads, yet seven hardy varieties thrive in UK cold frames, yielding fresh leaves despite freezing winter nights outside.

Frosty winters devastate unprotected UK gardens, yet planting hardy autumn crops now ensures fresh produce from November through to January without heating.