Lemon Balm
Melissa officinalis
[Approx. 1800 seeds/gram]

Cultivated in Europe as early as the 1500s.  Thomas Jefferson listed Lemon Balm in his 1794 herb list.

It is useful in cooking, herbal teas, and home remedies. A tea made from the leaves is pleasant tasting and has calmative and carminative properties.

Prefers full sun and well-drained soil.  Grows to 36 inches.

USDA zones 4-9.