You can simplify your rotations by sorting your crops into these major plant families:

• Onion family: onions, garlic, leeks and shallots


• Carrot family: carrots, celery, parsley and parsnips


• Sunflower family: lettuce, sunflowers and a few other leafy greens


• Cabbage family: cabbage, broccoli, Brussels sprouts, kale and many other leafy greens, as well as rutabagas and kohlrabi


• Spinach family: beets and chard


• Cucumber family: cucumbers, melons, squash and gourds


• Pea family: peas and beans


• Grass family: corn, wheat, oats and rye


• Tomato family: tomatoes, peppers, eggplant and potatoes