Plantago subnuda, commonly known as Tall Coastal Plantain, is a perennial herb that is native to coastal prairies, bluffs, and other moist, open habitats along the west coast of North America, from California to west-central Mexico. It typically grows to a height of nearly 2 feet and is characterized by its basal rosette of oval leaves and erect stem-like inflorescences. The inflorescences culminate in dense cylindrical spikes, each containing numerous tiny flowers with short-lived petals that are not particularly showy. Flowering occurs from spring to early summer.

Tall Coastal Plantain is valued for its adaptability to wet conditions and is often used in restoration projects for wetland habitats. It thrives in full sun to part shade and prefers moist to wet soils with good drainage. While not commonly used in ornamental gardening, it can be a useful plant for naturalistic plantings in appropriate settings. It is also known for its medicinal properties, as Plantago species have been traditionally used for their healing effects on skin irritations and wounds. Gardeners should note that it can spread readily in suitable conditions, potentially becoming aggressive in some areas.CC BY-SA 4.0