Gardeners Guide to Perennials

Planting the dry shade garden

American Horticultural Society encyclopedia of perennials

Plants for problem places

Powerhouse plants

A Common-Sense View of the Mind Cure

Encyclopedia of Perennials

The ultimate book of small gardens

Encyclopedia Of Perennials The Definitive Illustrated Reference Guide Over 5000 Plants With Full Cultivation Details And Planting Ideas

All-In-One Garden

The Ultimate Book of Small Gardens