A horticultural monograph on Penstemon, the largest plant genus endemic to North America. This is a black-and-white edition.

Fresh from his award-winning monograph on penstemons, Robert Nold turns his attention to one of the best-loved - and most frequently misunderstood - groups of garden plants. Columbines: Aquilegia, Paraquilegia, and Semiaquilegia is the first gardener's guide to these striking plants in more than half a century; and in his funny, personal, and charming prose, Nold makes sense of the thorniest taxonomic and horticultural questions they present. Sixty-five species of Aquilegia receive detailed examination, with a complete summary of cultivation needs, history, and biology. The author also...

A must-have for any gardener facing the daunting challenge of scorching summers and brutally cold winters. A black-and-white edition.