Armitage`s Native Plants for North American Gardens

The Perennial Care Manual: A Plant-by-Plant Guide: What to Do & When to Do It

Home Gardener's Perennials & Bulbs: The Complete Guide to Growing 58 Flowers in Your Backyard (Creative Homeowner) Step-by-Step Photos & Information to Design & Maintain Your Garden (Specialist Guide)

Perennials (Hearst Garden Guides)

Perennials (Eyewitness Garden Handbooks)

Complete Garden Guide to the Native Perennials of California

The Perennial Matchmaker: Create Amazing Combinations with Your Favorite Perennials

Heavenly Hydrangeas: A Practical Guide for the Home Gardener

Herbaceous Perennial Plants: A Treatise on Their Identification, Culture and Garden Attributes

Perennial Gardening: How You Can Create a Perennial Garden and Grow Flowers, Vegetables, Shrubs, Herbs and Fruit along with Making It Beautiful Using Pruning Techniques (Grow Your Own Food)