Skullcap (official), Scutellaria lateriflora, is sometimes known as Virginian Skullcap, Skullcap is an effective nervine tonic. In demand as a garden remedy for nervous headaches and stress. An infusion of leaves is also a good bedtime tea. Skullcap is a native of North America and prefers rich, damp soils in an open, sunny position. Flowers are pale lilac, appearing summer. Frost resistant but drought tender. A creeping, herbaceous perennial, growing to 0.6m x 1.5m.