Bean (staple crops) protein, vits and minerals. Bush or pole beans.
Corn (beans can grow up corn stalk)
Squash (3 sisters) ground cover
Cabbage
Potatoes (staple crop in a survival situation)
Kale (cold tolerant and nutrients)
Sweet potatoes. The greens are edible.
Lentils. 5 inches apart, trellis.
Growing herbs: thyme, rosemary, sage, lavender
Sweet potatoes: calories + nutrients
Yams (this is not a sweet potato)
Potato. A calorie crop
Banana (calori + nutrients)
Papaya
Zucchini
Pumpkin
Pigeon peas
Peas. There are many different types & it creates a ground cover & nitrogen fixer. When dried they can last in the pantry for years. Harvest and preserving.