Thanks
Yes thyme and calendula are favourites of ours. Simple, low maintenance and so pretty. Our preference is for the miniature thyme ... it's very tidy and we can walk on it without harming it. It's a bit overgrown in the front rock garden now and needs to be trimmed back again. The thyme had grown over our rock border and onto the driveway so we had to give that a major trim and replant a large sheet of it in the back garden. It was the size of a large roll of grass turf and transplanted without any die back at all.
We made hyper-tufa pots some years back and gave them away to admiring family members and said we'd make ourselves more. Keep planning on doing them every summer but always run out of time. But the rocks we made from hyper-tufa are there to stay! They have been in the ground for about six years now and are a nice edge for the rock garden. They were really easy to make and form into quite natural looking shapes.