Questions

What Black Currants variety would you recommend for this area?

Is there a Dwarf Lemon Tree that can be grown in a container that will give fruit and if so where can one be got?

This years Rhubarb has gone very thin and it was well manured with horse/household compost as it is every year. It was also split about 3 years ago. What can be done to improve it?

I have tomatoes in the Greenhouse and some are rotting where they are attached to the plant. Also they are not ripening. I know weather is a problem not a lot of sun. The first tomatoes appeared end of May and are still not red.