The perennial marketplace is larger than ever, with thousands of varieties available. It's a challenge for gardeners and garden center staff alike to know them all. Hole's Publishing has come up with an outstanding solution with Hole's Dictionary of Hardy Perennials. It is the most comprehensive guide to perennials on the market, with entries for over 500 genuses and 6000 different plants! Each entry includes data on height, spread, colour, growth habit, flower shape, and much more, enabling consumers and professionals alike to choose just the right perennials for their business and gardens.