Assertion: truffle | /r/CapableOf | grow in the united states
Facets:
value: more and more frequently
type: TEMPORAL
Source sentences:
text: Many people who are interested in growing truffles outside of Europe wonder, “Do truffles grow in the United States?
text: The primary climates where truffles can grow in the United States are the temperate regions of Washington, Oregon and Northern California.
text: In the United States, truffles have been growing more and more frequently in Oregon and other parts of the Pacific Northwest.