Dyer’s woad flowering

https://www.flickr.com/photos/davea2007/42867567731

Small patch of dyer’s woad flowering on Mary Arden’s Farm. Before the invention of synthetic dyes, this was one of the plants widely cultivated for colouring cloth (not to mention the skins of ancient Britons).

https://www.flickr.com/photos/davea2007/41967308135