Modeled after ancient stone troughs used to hold water and feed for livestock, these troughs are made from hypertufa, an artificial stone product. Easy to make, these cool containers work in any style garden. Beth Jimenez and Amelia Lane, owners of Lasting Impressions in Raleigh, show you how to make inexpensive hypertufa troughs. Once you learn the secret to making these containers, you may not want to stop. A grouping of containers of various sizes makes a striking garden collection.