The county and those surrounding it are dominated by limestone chalk soils which is similar to that found in the region of Champagne, France.
Tours are due to restart on May 17.
9. Ridgeview Wine Estate, Ditchling
Ridgeview has been producing wine for more than 20 years. Picture: Julia Caxton Photo: Haywards Heath
10. Bluebell Vineyard, Uckfield
The vineyard was planted in 2005 and since 2019 has been producing 'Ashdown' still wines. Photo: Haywards Heath
11. Nutbourne Vineyard, Pulborough
The vineyard celebrates its 30th anniversary this year. Photo: Haywards Heath
12. Beacon Down Vineyard, Heathfield
The vineyard occupies 18 acres of High Weald near Heathfield and produces both still and sparkling wine. Photo: Haywards Heath