Care Disclaimer: Plant care recommendations are general guidelines based on common growing conditions. Individual results may vary based on your local environment, climate, and care routine. If your plant is toxic, keep it away from children and pets, and consult a veterinarian if accidental ingestion occurs.
1.Eryngium Alpinum — Overview
Eryngium alpinum, also known as Alpine Sea Holly or Queen of the Alps, is an exquisite herbaceous perennial in the Apiaceae family, valued for its striking ornamental appeal. This hemicryptophyte typically grows 30 to 70 centimeters tall, though it can reach 100 centimeters, with solitary, erect stems often adorned with distinctive longitudinal purple stripes.
Its basal leaves are large, heart-shaped to oval, measuring 10-15 cm wide and 13-17 cm long, with serrated margins and long petioles. Cauline leaves become progressively more divided and sessile higher up the stem.
Its most captivating feature is a dense, thimble-like inflorescence, surrounded by stiff, bristly bracts that transition from bright green to vibrant metallic blue or purple, creating a halo effect. Other key characteristics include:
• Small, actinomorphic, pentamerous flowers, approximately 2 mm long, blooming from July through September.
• Primarily insect-pollinated.
• Produces spiny achene fruits, about half a centimeter wide, after flowering.
Native to the subalpine regions of Central and Southern Europe, including Austria, France, Switzerland, and Italy, Eryngium alpinum thrives in rocky areas, wet pastures, and scrubland, particularly on limestone soils, at altitudes of 1,500 to 2,000 meters above sea level. Its wild populations are currently listed as Near Threatened by the IUCN due to habitat degradation and overcollection for horticultural purposes, underscoring the need for conservation.
Trusted Scientific References
Authoritative external sources for Eryngium Alpinum:
Eryngium Alpinum should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed garden plant with clear care guidance, common problem diagnosis, and conservative safety wording.
1.1.Eryngium Alpinum — Key Features
- Scientific Name — Eryngium alpinum, also known as Alpine Sea Holly.
- Family Affiliation — Member of the Apiaceae (Celery) family.
- Distinctive Morphology — Features striking metallic blue-purple flowerheads encircled by spiky, iridescent bracts.
- Native Habitat — Endemic to subalpine zones of Central and Southern Europe, preferring rocky, limestone-rich soils.
- Traditional Medicinal Use — Valued in folk medicine for anti-inflammatory, antioxidant, and digestive aid properties.
- Rich Phytochemistry — Contains a complex blend of bioactive compounds, including flavonoids, alkaloids, and essential oils.
- Conservation Status — Classified as Near Threatened by the IUCN Red List, emphasizing the need for protection.
- Ornamental Value — Highly prized in gardens for its unique aesthetic appeal and ability to attract pollinators like bees and butterflies.
- Growth Habit — A robust herbaceous perennial, typically reaching 30-70 cm in height with deep, resilient roots.
- Cultivation Requirements — Prefers full sun exposure and well-drained, neutral to alkaline soil conditions.
1.2.Eryngium Alpinum — Quick Summary
- Eryngium alpinum, or Alpine Sea Holly, is a visually stunning herbaceous perennial from the Apiaceae family, known for its unique blue-purple flowerheads.
- Native to European subalpine regions, it thrives in specific limestone-rich habitats but is listed as Near Threatened due to overcollection.
- Traditionally utilized for its anti-inflammatory, antioxidant, digestive, and liver-supporting properties.
- Its medicinal efficacy is attributed to a rich phytochemical profile, including flavonoids, alkaloids, essential oils, and phenolic acids.
- Cultivated as an ornamental, it requires full sun and well-drained, alkaline soil, attracting valuable pollinators.
- Caution is advised regarding potential photosensitivity, allergic reactions, and its contraindication during pregnancy.
2.Eryngium Alpinum — Scientific Identity
3.Eryngium Alpinum — Categories & Tags
4.Eryngium Alpinum — Appearance & Identification
5.Eryngium Alpinum — Water Requirements
- Soil Requirements — Eryngium alpinum thrives in well-draining, loamy to sandy soils with a neutral to alkaline pH, ideally between 6.0 and 7.5, and shows a preference for limestone-rich environments.
- Sunlight Exposure — This plant requires full sun exposure, meaning at least 6-8 hours of direct sunlight daily, to ensure robust growth and prolific flowering with vibrant blue coloration.
- Watering Schedule — While establishing, maintain consistently moist soil; once mature, the plant is remarkably drought-tolerant, reflecting its adaptation to subalpine conditions, so water sparingly during dry spells.
- Planting Time — The optimal time for planting seeds or dividing roots is in early spring, after the last frost, when soil temperatures begin to warm.
- Propagation — Can be propagated from seeds, which may require cold stratification for successful germination, or by carefully dividing established clumps in spring.
- Climate and Zone — Best suited for USDA hardiness zones 5-8, it tolerates cold winters but prefers moderate summer temperatures, reflecting its alpine origins.
- Maintenance — Requires minimal maintenance once established, primarily deadheading spent flowers to encourage further blooming or to prevent self-seeding, and avoiding disturbance of its deep taproot.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
Our 4-step verification process
1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
Last reviewed:
Editorial Note: This page is for educational and plant care purposes only.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 28, 2026
Eryngium Alpinum — Comments & Community Reviews
Rate this plant
No reviews yet. Be the first!