http://www.perpetualplanet.com/lifestyle/GardenPlan.aspx
For the city I used VT-Woodstock, since I believe that Vermont is similar to the UK for growing conditions.
Great link Mike, thank you (can never have too many of these things ;)). The VG Bible is a great gardening book, isn't it? Am going to cover my paths with newspaper and straw this year like the man says, will see if it stays put or blows into a stack at the end of the plot ;D.