Assertion: canna's flower | /r/HasProperty | harvested
Facets:
Source sentences:
text: When the flowers of these plants are harvested and dried, you’re left with one of the most common drugs in the world.
text: Even most perennial vegetables are grown as annuals, partly because they are only hardy in the warmest climates, but also because they are required to continually produce flowers and fruits that are harvested, rather than being allowed to go to seed.