With some 270 species, penstemons are particularly beloved by rock gardeners. The author has grown most of the species, and this work abounds in useful cultural

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

Dry summer, wet winter climate? This is your must have plant guide. Selecting plants suited to your climate is the first step toward a thriving, largely self-su