Assertion: royal fern | /r/CapableOf | grow in hardiness zones 4
Facets:
value: through 9
type: TEMPORAL
Source sentences:
text: For an area that stays consistently moist, royal fern (Osmunda regalis), which grows in U.S. Department of Agriculture plant hardiness zones 4 through 9, grows 3 to 6 feet tall and 3 feet wide.