Shoppers can enter the code found on the back label onto a dedicated microsite to donate 20p to Plantlife.
They will also be entered into a prize draw to find out instantly if they have won a pack of wildflower seeds.
The promotion is running until 1 November across Bicicleta’s Pinot Noir, Viognier, Sauvignon Blanc, Merlot and Malbec varietals
Plantlife is a UK organization that “saves and celebrates” wild flowers, plants and fungi.