Self-seeding include cinerarias, nemesia, cynoglossum, Lychnis coronaria, double-flowered feverfew (Tanacetum parthenium) and Verbena bonariensis.
Salvia Argentina. Baptisia australis. Tweedia (Oxypetalum alyssum).
https://www.thepost.co.nz/home-property/350204069/how-one-gardener-prettied-boring-driveway