Self-heal

Prunella vulgaris

Lamiaceae

The purple lawn mint you already step on — a traditional throat gargle and wound wash.

A lawn mint of the northern hemisphere. Traditional wound and throat herb.

Parts used: Flowering tops
Traditional notes: Sore throat gargle · Minor wounds as a wash · Cooling tea folklore
Grow · USDA 6b: Perennial, USDA 3–9 Or stop mowing a clean corner. In work: May · Jun · Jul · Aug
Harvest: Spikes as they purple.

An unsprayed strip of lawn is a farm.
Dry the squat heads on a screen.
It will mingle with grass. That is correct.

Safety

Sprayed lawns as tea

Lore

Prunella vulgaris, heal-all, a lawn mint with a purple poker. Culpeper said it needed no instruction because its name was the instruction. Modern herbalists use it as a gargle more than a miracle.

The Herbarium — a teaching catalog, not a clinic. Traditional use is history, not a prescription. USDA 6b dates are a week either way, not a promise. Do not eat, drink, or harvest a plant you cannot name.