Assertion: cucumber | /r/HasProperty | grown to maturity
Facets:
value: in a greenhouse
type: LOCATION
value: in polytunnel
type: LOCATION
Source sentences:
text: In temperate countries such as the UK, cucumbers are grown to maturity in a greenhouse or polytunnel, although ridge cucumbers and our form of gherkin are a little hardier and can be planted outside when danger of frost has passed.