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]
(..) For them the gracious Duncan have I murdered, put rancours in the vessel of my peace only for them. To make them kings, the seed of Banquo kings! What's to be done? Be innocent of the knowledge, dearest chuck, till thou applaud the deed. Full, full of scorpions, is my mind. (..)2015 Macbeth