Whilst on holiday last week we visited Charlcote Park which is a National Trust property in Warwickshire. Situated adjacent to the car park is a garden centre which also sells the most wonderful array of local produce. I have never seen a display of fruit and vegetables like it. If you are in the area it is more than worth a visit. We bought quite a lot of unusual varieties and they were all delicious.
Their website is http://www.charlecoteplants.co.uk/index.html.