What Not to Plant Together

Here is a helpful post (for those of us who are novices):
http://happyhouseandgarden.com/post/1313984/companion-planting-what-not-to-plant-together-moms-need-to-know

And here is an even more helpful summary (quoting from the source):

To sum it all up – when companion planting:

    Beans: Don’t plant near chives, garlic, leeks, onions, peppers, marigolds
    Peas:  Don’t plant near chives, garlic, leeks, onions, peppers
    Broccoli and Cauliflower: Don’t plant near peppers, squash, strawberries, tomatoes
    Tomatoes:  Don’t plant near broccoli, cauliflower, cilantro, cucumbers
    Dill: Don’t plant near carrots
    Sunflowers need to be planted at least 12 inches away from any other plant.