Yacons are also known as a "Peruvian underground pear" - they produce bunches of sweet-potato looking tubers that and be eaten raw or cooked, and reputedly have a taste something like a cross between pear and watermelon.
This picture clearly shows there’s plenty of room for more beds!
both need moving. All of the tyres were part of last year's attempts inspired by the gardening group, but have become neglected and overgrown.