Hypertufa: What it is and how to use it to make a planter

Back in the 1930s, it was found that some Alpine plants grew well in tufa, a porous rock formed when water seeps through limestone. Tufa was scarce and expensive, so a few gardeners worked to find an inexpensive and accessible alternative. The product they came up with is called hypertufa. Hypertufa is similar to concrete, but lighter and more porous. You can use it to make planters in whatever size or shape you need. Anne Brierley of the Parkside area…