With some 270 species, Penstemon is the largest genus endemic to North America, with examples to be found in every state in the continental U.S. This book is on

Presents at least one color photograph of each of the 80 species of penstemon that occur in the Pacific Northwest. Photos are accompanied by technical descripti

What do you get when three horticulturalists combine expertise and direct it towards a single plant genus? In this case, a fascinating volume detailing the natu

Lauren Springer and Rob Proctor have long been good friends and garden writing colleagues. Here, readers will be entertained, informed, and inspired by the pair