Listmania!
Great Gardening Books
By an Amazon.com customer
Botanica's Annuals & Perennials: Over 1000 Pages & over 2000 Plants ListedBotanica's Annuals & Perennials: Over 1000 Pages & over 2000 Plants Listed
Buy used from: $0.49
Great pictures and information
Armitage's Garden Perennials: A Color EncyclopediaArmitage's Garden Perennials: A Color Encyclopedia by Allan M. Armitage
Buy new: $32.97 / Used from: $15.38
The best info, and he's funny too
Annuals W/Style -OSIAnnuals W/Style -OSI by Michael A Ruggiero
Buy used from: $0.59
Ok, it's annuals, but great design ideas,peren too
Continuous Bloom: A Month-by-Month Guide to Nonstop Color in the Perennial GardenContinuous Bloom: A Month-by-Month Guide to Nonstop Color in the Perennial Garden by Pam Duthie
Buy new: $26.37 / Used from: $8.95
Perennial Combinations Galore! Great info too.
Dirr's Hardy Trees and Shrubs: An Illustrated EncyclopediaDirr's Hardy Trees and Shrubs: An Illustrated Encyclopedia by Michael A. Dirr
Buy new: $44.07 / Used from: $34.99
A Bible of trees and shrubs
Smith & Hawken: 100 Heirloom Tomatoes for the American GardenSmith & Hawken: 100 Heirloom Tomatoes for the American Garden by Carolyn J. Male
Buy new: $12.89 / Used from: $8.06
Garden for taste with wonderful heirlooms.
Roses Love Garlic: Companion Planting and Other Secrets of FlowersRoses Love Garlic: Companion Planting and Other Secrets of Flowers by Louise Riotte
Buy new: $10.17 / Used from: $4.14
Companion planting for success, plant lore
Carrots Love Tomatoes: Secrets of Companion Planting for Successful GardeningCarrots Love Tomatoes: Secrets of Companion Planting for Successful Gardening by Louise Riotte
Buy new: $9.72 / Used from: $7.46
Veggie Comapnion Planting, wonderful info
The Gardener's Atlas: The Origins, Discovery and Cultivation of the World's Most Popular Garden PlantsThe Gardener's Atlas: The Origins, Discovery and Cultivation of the World's Most Popular Garden Plants
Buy used from: $0.12
Great History of Plants, if you are into that (I am)