Beets are none for their sweetness. They have the highest sugar content of any vegetable, yet are still low in calories.
Peak June to October. The greens are especially good at this time.
Look for a unblemished, hard, smooth, round beet with a deep red color. Beet greens should be bright dark green and crisp. Taproot should be slender and whole. Beets will bleed form their tops if at least an inch of the stem is not left intact.
To prevent moisture loss from the roots, cut off the greens before storing, but leave at least one inch of the stem attached. Keep the unwashed roots in a plastic bag and store in the refrigerator crisper for up to three weeks. Beet roots will soften as they age. Store the greens separately in a plastic bag and use them within a few days.