Companion Planting Reads:
“Complete Guide to Companion Planting” by Dale Mayer ISBN 9781601383457
Thorough and concise paperback resource. Part of the “Back to Basics” series. Discusses plant companions but also “critters” helpful and harmful. Assumes a very basic knowledge of gardening so occasionally tedious in explanations for the more experienced gardener. Very holistic approach to gardening.
“Mix and Match Guide to Companion Planting” by Josie Jeffery ISBN 9781607746331
Flip book style guide featuring aboveground, central, and belowground crops. Includes comments on 75 plants with full color photos. Great for visually mixing plantings. Not as useful for finding companions for established garden plan.