Metals4U
"This fabulous copper plant pot was created by our customer Copper and Green"
https://www.metals4u.co.uk/blog/paul-selley-copper-plant-pot
Royal Windsor Flower Show
"Copper and Green will be exhibiting hand made copper plant pots and copper planters at the Royal Windsor Flower Show"
Hortiwool
"When combined with Hortiwool, copper pots offer a perfect synergy of functionality and sustainability in gardening"
https://hortiwool.com/blogs/news/4-benefits-of-using-copper-pots-alongside-hortiwool-garden-pads