The government's policies 'planted/sowed the seeds of' war/destruction. [=created a situation that led to war/destruction]
Her comment 'planted/sowed a seed of' doubt in his mind. [=caused him to begin to have doubts]
She grows her plants 'from seed'. [=by planting seeds rather than by some other method]
(..) ..did he say anything to you during his final hours? Nothing of import, my lord. Oh. There was one phrase he kept repeating. "The seed is strong," I think it was. - "The seed is strong"? - Mmm. - What does that mean? - Oh, (..)2011 TvShow: Game of Thrones Title: Cripples, Bastards, and Broken Things Season: 1 Episode 4