Assertion: fern | /r/CapableOf | grow in hardiness zones 7
Facets:
value: outside
type: LOCATION
Source sentences:
text: Japanese holly (Cyrtomium falcatum), shaggy shield (Dryopteris atrata), and other ferns that grow outside in U.S. Department of Agriculture plant hardiness zones 7 through 9 may need Epsom salt to correct mineral deficiencies, but ferns grown indoors typically do not need Epsom salt.