You're better off picking individual varieties of things that do well in your area and serve your purposes. Go heavy on things that can, dry, or store well. Skip the stuff you don't eat. And while you should experiment and find some heirloom varieties that will grow well in your area and conditions, don't totally discount F1 hybrids while they're available. They're going to tend towards more disease resistance and higher yields. Hybrid doesn't mean bad, just that the F2 generation might express some undesired characteristics or lack "hybrid vigor".
Grow what you eat, eat what you grow. Diversify to avoid a varietal failure that ends up in starvation.
You don't grow plants, you grow soil that allows plants to do what they do in the best conditions possible. Putting a seed pack on the shelf and thinking you'll grow enough food to keep yourself and others alive is foolhardy. Learn to save seeds, trade with other local gardeners. It takes a minimum of 3 years to develop a new piece of land into a productive garden. There are some shortcuts, but you need the practice too. Get some books on plant diseases and natural remedies and pest control.
