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]
(..) Wow! Shhh! Zazu. Right. So how are we gonna ditch the dodo? Oh I know how we can-- Oh, just look at you two. Little seeds of romance blossoming in the savannah. Your parents will be thrilled... what with your being betrothed and all. Be-what? Betrothed. Intended. Affianced. Meaning...? (..)1994 The Lion King