Thanks for the comprehensive replies. I'll have a look at a rodstat. Meanwhile I'll continue to try to "calibrate" my heater. Last night it went down to -2C outside but the greenhouse temperature went between 2C and 4C. When I set the max/min it was just about 3C so I think the heater must...

Hello All Some of you may remember me posting as a greenhouse newbie a short while ago. (I don't mean I'm not a newbie any more! I certainly am). I know that scientifically "frost free" means above 0C but how much above 0C should I aim at? I have over-wintering pelargoniums (both establish...

Hello My leeks too are covered in rust this year. There is normally some but this year is far worse. Having said that, although it looks pretty bad above the ground, the leek stems themselves are absolutely fine. As good a crop as I've had. I have put the leaves and trimmings in the council's recycl...

Thanks for the welcomes and the suggestions. I'll try lettuce, carrots and sweetpeas I think. Herbs sound a good idea as well. I've got various herbs in the garden so I'll divide a few and put some in the greenhouse. I can use them over winter then revert to outside ones in summer. Not raining today...

Hello All Just to introduce myself. I've had a small veg plot in the garden for (too many!) years, growing onions,garlic and leeks every year and potatoes, peas, beans, in an informal rotation. I've always had outdoor tomatoes against a South facing white wall. I've tended to stop them at 2 or 3 tru...