Assertion: perennial | /r/HasProperty | the heart of the garden
Facets:
value: often
type: TEMPORAL
value: year after year,
type: TEMPORAL
Source sentences:
text: Perennials are often considered the heart of the garden due to how rewarding they are, year after year, as well as the fact that they offer an enormous variety of colors, sizes, habits, fragrances, and bloomtimes.