Mad Dog Skullcap is a native mint-family wildflower of moist woodlands and stream banks across eastern North America, producing small, blue to lavender two-lipped flowers along one-sided racemes from the leaf axils in summer. Growing 1–2.5 feet tall, it was historically used as a remedy for rabies (hence 'mad dog') and as a nervine for anxiety — uses still popular in herbal medicine. The genus name refers to a small cap-like projection on the flower calyx.
Best time to see a Mad Dog Skullcap
The best time to see a Mad Dog Skullcap is July–August, when about 74% of U.S. sightings happen, based on 4,729 research-grade iNaturalist observations.
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