- to sow or propagate itself naturally from seeds that have been dropped.
Also self-seed [self-seed] /sɛlfˈsid/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for self-sow
The physalis will self-sow and may become a weed, but it is easily controlled.The Vegetable Garden
And as few of them self-sow, it is necessary to plant and carry over every season.Gardening for Little Girls
Olive Hyde Foster
They self-sow, and the plants of the present year bloom the next.
Many with us self-sow and live through the winter without any protection.