St. John's Wort Seeds - Non Gmo - Heirloom Seeds Our seeds are non-GMO and grown using sustainable methods, ensuring that you are getting the best quality product. Our St. John's Wort seeds are easy to grow and can be planted in a sunny spot in your garden or in pots. They are also hardy and can grow in most soil types. Don't wait, order now and start growing your own St. John's Wort seeds today!