“Have either of you ever tried growing beans in an 18” grid pattern rather than spaced every three inches in a straight line? If you have, what were the results? Trying it this year. (More room between plants is supposed to result in a larger yield.) “
I do pole beans, too - sometimes I’ll throw in some purple or yellow bush beans when I have spots to fill in the summer months.
Square Foot Gardening recommends planting bush beans 9 seeds within their 1-foot squares so I do that. My beds are 4 feet across, so I can get a ‘square or two of bush beans’ tucked in here and there. I will most likely end up doing that this season to replace a few FAILURES due to all of our @#$%^&*! rain.
I believe you will have a higher yield spacing them more. Since we discovered the Chinese long beans that’s all we grow.
I found a Youtube about someone who tried this: