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.
1. Artelium Wine Estate, Hassocks
A new boutique Sussex wine estate with a forward-thinking vision for creative collaboration, championing an ever-evolving collective of makers, growers, artists and sculptors. Photo: Haywards Heath
2. Tinwood Estate near Chichester
Tinwood Estate's tasting room at the vineyard.
3. Albourne Vineyard, Hassocks
Albourne Vineyard vineyard crafts small quantities of exciting and distinctive still and sparkling wines. Photo: Haywards Heath
4. Leonardslee Lakes and Gardens, Horsham
The first harvest for Leonardslee Lakes and Gardens Vineyard in Sussex. Pic Steve Robards