In order to produce a seed, or simply become a better gardener, there are vast acres of valuable references to be found throughout published and non-published sources. The following are texts we have found to be particularly knowledgeable and reliable.

• Ashworth, Suzanne (2002). Seed to Seed. (2^nd ed) Decorah, Iowa: Seed Savers Exchange.
• Cassselman, Bill (1998). Canadian Food Words. Toronto: McArthur & Co.
• Crawford, Michael (2010). Creating a Forest Garden. Cambridge: Green Books Ltd.
• Facciola, Stephen (1998). Cornucopia II: A Source Book of Edible Plants. Vista, California: Kampong Publications.
• Flores, Barbara (1997). The Great Sunflower Book. Berkeley, California: Ten Speed Press.
• Fortin, François & Serge D’Amico (eds) (1996). The Visual Food Encyclopaedia. Montreal: Éditions Québec/Amérique.
• Foster, Nelson & Linda Cordell (eds) (1996). Chilies to Chocolate. Tucson: University of Arizona Press.
• Gerard, John (1633). The Herbal or General History of Plants Revised and enlarged by Thomas Johnson (1975), New York: Dover Publications.
• Lorenz & Maynard (eds) (1997). Knott’s Handbook for Vegetable Growers. (4^th ed) New York: John Wiley & Sons.
• Male, Carolyn (1999). 100 Heirloom Tomatoes for the American Gardener. New York: Workman Publishing.
• Martin, Tovah (1999). Heirloom Flowers. New York: Fireside.
• Mays, Daniel (2020). The No-Till Organic Vegetable Farm. Massachusetts: Storey Publishing.
• Moerman, Daniel (1998). Native American Ethnobotany. Portland,Oregon: Timber Press.
• Needham, Nydia (2021). Creating Your Permaculture Heaven. Bolton, Ontario: Amazon.ca
• Powell, Eileen (1995). From Seed to Bloom. Pownal, Vermont: Storey Books.
• Prance, Ghillean & Mark Nesbitt (2002). The Cultural History of Plants. New York: Routledge.
• Riotte, Louise (1975). Carrots Love Tomatoes. Pownal, Vermont: Storey Books.
• Rodale, J. I. (ed) (1999). Encyclopedia of Organic Gardening. Pennsylvania: Rodale Books Inc.
• Schneider, Elizabeth (1986). Uncommon Fruits & Vegetables. New York: William Morrow & Co.
• Wallace, Janet (ed) (2001). Organic Field Crop Handbook. (2^nd ed) Ottawa: Canadian Organic Growers.
• Weaver, William W. (1997). Heirloom Vegetable Gardening. New York: Henry Holt & Co.
• Whealy, Kent (1999). Garden Seed Inventory. (5^th ed) Decorah, Iowa: Seed Savers Exchange.
• Wilkinson Barash, Cathy (1995). Edible Flowers. Colorado: Fulcrum Publishing