Cheers for that. Most of them are out towards Eastbourne way. Not one in Crawley or Horsham area. Will try the Southwater one.There is a list here, not sure how up to date it is, but it looks about right to me.
Farmers' Markets in Sussex, Hampshire, Isle of Wight, Berkshire, Buckinghamshire, Oxon, Surrey, K - Farmers' Markets in Surrey, Kent, Sussex, Hampshire, Berkshire, Bucks, Oxfordshire, Isle of Wight - What's on, things to do, places to see and days out in the South East
There are a few sellers who attend multiple sites and others who come and go, so no idea if you will find horseradish