1. Exceptional taste is the No. 1 reason many gardeners cite for choosing heirloom varieties.
2. Heirloom vegetables are likely to be more nutritious than newer varieties.
3. Many gardeners prefer heirloom vegetables because they are open-pollinated, which means you can save your own seed to replant from year to year.
4. Heirloom plants are bred for flavor and disease resistance, not shelf life.