Two tomato plants per bale with marigold plants tucked in pockets in sides of bales. The flowers will warn you when the bales are too dry inside. Also we use jute twine so it can go directly into compost next year. Straw gets spread as mulch for winter.
When Joel Karsten was growing up on a farm in Minnesota, he noticed how lushly weeds grew from rotting bales of straw. That made him wonder: If straw worked so well for growing weeds, wouldn't it work just as well for vegetables?
Hay bale gardening is probably the most fun you’ll have growing your own food and herbs, requiring almost no work or maintenance. After a search online to find the simplest and easiest “no work” gardening method, I stumbled upon straw bale gardening.
(For Grandma) How to build a straw bale garden, this site has more information. I did it this year and I'm amazed at the size of my tomatoes! I put them around my Rhubarb patches and I was harvesting rhubarb into late September! Give this a try
A hay bale garden is a gardening method used for raising vegetables and herbs. Hay is the new straw. Get your garden prepped for spring and summer with these homesteading techniques… - Gardening Timing