How to Harden Off Plants in the UK

Tomato seedlings in pots and trays hardening off on a patio in a UK garden ready to plant out

If you have ever grown tomatoes or courgettes on a windowsill and then put them straight outside in May, you will know what happens next. The plants stop growing. The leaves go pale. Sometimes they just give up altogether. It is incredibly frustrating, especially when you have looked after them for weeks. The good news … Read more