Scutellaria lateriflora has been used in North American herbal traditions as a calming preparation for nervous tension, restlessness, and sleep complaints. Historical accounts also describe broader uses that are not supported as modern treatments. Evidence for effectiveness remains limited, and products sold as skullcap have sometimes contained other Scutellaria species or adulterants. The species name matters: American skullcap is not interchangeable with Chinese skullcap or unrelated plants sold under similar names.

Skullcap's contemporary magical associations draw on its long reputation as a calming herb and on the protective image of its helmet-shaped calyx. The approved Black Cat source links it with peace, sleep, psychic shielding, intuition, emotional balance, and protection. Practitioners may keep correctly identified dried material sealed in a protection sachet or dream pillow, place it on a lunar altar, or use it symbolically in rituals for quiet, boundaries, and emotional steadiness.