Well we did have frost Wednesday night. Not heavy at home - and outdoor tomatoes here seem ok but down at the allotment it was much colder. Tomatoes are blackened, both french and runner beans look bedraggled, even the cucumbers inside the polytunnel were frosted. Courgettes and peppers that I covered with fleece seem ok for now.
It doesn't seem to have affected the whitefly much unfortunately - they're getting to be a real problem on brassicas and a cold snap might kill some off.
These are just a small number of the tiny green tomatoes picked on Tuesday. I need to find something useful to make with them but now moving on to eating parsnips, carrots and other cold-weather veg - and waiting for snow.