marigold and nicotiana in Somerset


Spring seedlings

The cold weather is finally warming up a little, but the nights are still cold, too cold for my tomatoes to be happy in my coldframes just yet. If I had an unheated greenhouse I might risk it with a covering of horticultural fleece. We are not allowed glass structures on our allotments, and it should be noted that polytunnels are not very frost proof but serve only to raise the temperature during the day, not doing a great job of maintaining it at night.  Many nurseries have polytunnels full of bedding in April, but with frost-stat heaters at night. Read more