Spacing Between Garden Foes

Question

I have read that you should not plant beans and onions close together because the onions will kill beneficial bacterial that assist the beans. But no one ever says how far apart they need to be. I have a small garden plot, and would like to have both crops. How much separation will the plants need to prevent negative impact on the beans?

Answer 1

They should be planted at least two to three rows apart. Here is more:

https://www.gardeningknowhow.com/edible/vegetables/onion/onion-plant-companions.htm
https://extension.wvu.edu/lawn-gardening-pests/gardening/garden-management/companion-planting