Shop Peacock Salt at DeWaldens garden Centre. The largest distributor of salt products in the UK, it's marine salt harvested from sustainable sources around the Mediterranean Sea. It's almost 100% pure sodium chloride meaning every particle plays a part in the de-icing process making it an efficient Winter salt at battling ice and snow. Peacock Salt celebrated its 140-year anniversary in 2014 making it by far the oldest salt company in the United Kingdom, and the world. Can't find what you're looking for? Get in touch and we'll be happy to help.