What Are Heirloom Seeds?

Heirloom vegetable seeds are those of older plant varieties that are a minimum of 50 years old. All heirloom plants are open-pollinated.

Keywords: heirloom vegetables, specialty seeds, types of plants

About this Author

Jill Harness has written on a variety of subjects for more than 10 years. Her work has appeared in various print and online publications, including "San Diego City Beat," "Mental Floss," Rue The Day! and Neatorama. Harness has a Bachelor of Arts in journalism from San Francisco State University.