Spilanthes is nicknamed the toothache plant. The leaves can be chewed and used for oral hygiene and pain relief. Spilanthes is antifungal and antiparasitic. It has also been used to treat co-infections of Lyme disease. The seeds take 1-2 weeks to germinate and require some warmth. Spilanthes is native to Brazil and Africa. It is easy to grow. Its properties are similar to echinacea. The plant is non-toxic and the leaves can be used sparingly in salads. It is perennial in warm climates and an annual in colder climates. Plant 12 inches apart.