— Short, snippet-friendly answers to the most-asked questions about Sea Holly (Eryngium maritimum). For the full profile with citations, open the main page.
Sea Holly (Eryngium maritimum) is a perennial forb or herb known for its distinctive spiky leaves and tall flowering stems, which can reach up to 0.5 meters in height. Sea Holly (Latin: Eryngium maritimum) is a medicinal plant catalogued in PlantSage.
Sea Holly is most often used to support topical & skin and digestion. Each claim is rated by evidence strength — see the full profile for citations.
Sea Holly is generally considered safe when used at traditional doses. Always consult a clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children.
Sea Holly is a member native to ALB, ALG, BAL, BLT, BGM, and BUL. Sea Holly thrives in light to medium soil with a pH of 7-7.5 and prefers a dry to moist environment.
Sea Holly grows best in USDA zone 4-8, 9/10 light, dry, moist water, and perennial life cycle. Detailed sowing, propagation, and care notes are on the full profile.
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