100 Heirloom Tomatoes for the American Garden |
2BSeeds |
Diane's Flower Seeds |
Epic Tomatoes: How To Select & Grow the Best Varieties of All Time |
J. L. Hudson, Seedsman |
Perennials for American Gardens |
Pinetree Garden Seeds |
Reimer Seeds |
Swallowtail Garden Seeds |
The Beginner's Guide to Growing Heirloom Vegetables |
The Sample Seed Shop |
Victory Seed Company |