You Will Get 5 Seeds Glycyrrhiza Lepidota American Licorice Perennial. It is a beautiful perennial that gets green foliage and also small clusters of flowers, but the licorice flavored roots are the most appealing part of this plant.. These plants are hardy to USDA zone 4, and they grow best in full sun to part shade.. They would make excellent additions to your rare plant collection, or just make a unique statement in your water garden or a wet spot on your property.