Assertion: pumpkin's plant | /r/CapableOf | begin to flower
Facets:
Source sentences:
text: When plants begin to flower (about three weeks after they have sprouted), remove the row covers to allow for pollination by bees and insects.
text: Row covers should be removed when plants begin to flower.
text: Gardeners often become concerned when these plants begin to flower but no fruits are produced.
text: Row covers should be removed when plants begin to flower.