Q.Planting Vegetables Together
Do you know if there are any vegetables or fruits that should not be planted next to each other? Also, I have heard that you could plant squash, corn and a pole bean together with the corn holding up the beans and the squash growing at the bottom. What do you know about this?

Certified GKH Gardening Expert
This article lists plants that are compatible with one another: https://www.gardeningknowhow.com/edible/vegetables/vgen/companion-vegetable-garden.htm
You may want to stick to this guideline when planting to avoid any vegetables that may not grow well together. As for the other question, you are referring to a three sister's garden. Here is more info: https://www.gardeningknowhow.com/special/children/a-three-sisters-garden.htm