Jasmine
You cut the flowers off the grain with your knife. The flowers that fall off are jasmine flowers.
It's weird that jasmine flowers are growing out of your grain, but that's why you're cutting them off.
り, れい, らい
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The jasmine is growing out of everything, not just grain! It's also growing out of the reeds (り)!
You have a farm that grows grain and reeds. Jasmine flowers are growing out of both of those things, ruining your crops! Perhaps you should become a jasmine tea farmer instead...