- sown by itself, or without human or animal agency, as of a plant grown from seeds dropped from another plant.
- sown by any agency other than humans, as of a plant grown from seeds scattered by birds or the wind.
verb (used without object), self-sowed, self-sown or self-sowed, self-sow·ing. Botany.
- to sow or propagate itself naturally from seeds that have been dropped.
- (of plants) growing from seed dispersed by any means other than by the agency of man or animalsAlso: self-seeded