Veg in season:
http://www.abel-cole.co.uk/
This page shows what’s in season when:
http://www.abel-cole.co.uk/default.aspx?tab=Catalogue&menu1=2&menu2=4

Find your local producers:
http://www.bigbarn.co.uk/

And...once you’ve eaten your fill, try a holiday in the lake district :)
http://www.gretahall.net/