Nettle cordial from Old Tree Brewery Old Tree Nettle Cordial is handcrafted from young nettles foraged from the Sussex countryside, which imparts a beautifully rich colour and a fruity, zesty aroma. Reviving the old-world craft of seasonal preservation, each bottle is a celebration of Spring. Filtered chalk aquifer water, carbon-neutral sugar, nettles (13.8%), citric acid This cordial is perfect diluted with kombucha, sparkling water or as a mixer for your favourite botanical cocktail. We recommend a 1:6 dilution with kombucha.