The leaves of varieties like 'Nanouk' are uniquely ... I picked up a Tradescantia fluminensis, or small-leaf spiderwort. It's a compact plant with a profusion of small, lilac leaves, and I ...

A wide-ranging perennial that can be found as far north as Canada and as far south as Argentina, spiderwort makes for an interesting visual comparison to the other plants on this list. Its base ...