Licorice fern is an evergreen fern with sweet, edible rhizomes. It is used ornamentally and for its edible roots. Inputs Hardiness zone 61 Hardiness zone 71 Hardiness zone 81 Hardiness zone 91 Outputs Human food2 Type Plant Evergreen Footnotes Polypodium glycyrrhiza | Plants for a Future ↩ ↩2 ↩3 ↩4 Gaia’s Garden - A Guide to Home-Scale Permaculture, 2nd Edition Table 10-1 ↩