How to overwinter tenders
Sterilise the space so you’re ready for spring, says Lucy
IF you heat your greenhouse in winter, you might be tempted to grow a few overwintering crops in it. But if you’re staring at bare staging and beds, you should seize the chance to have a thorough clear up now.
Tomatoes, melons, cucumbers and chilli peppers all thrive under glass, but they also suffer from pests and diseases such as red spider mite, whitefly and powdery mildew. These problems have the ability to fester, coming back year on year, unless you break the cycle now.
These problems are at their most vulnerable now, either in the form of static eggs or spores, or slumbering adult insects. So step to it – you’ll be so glad you did come the spring!
If you want to banish repeat offenders such as whitefly (left), a good clean now will help