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Giant Sea Holly

Eryngium pandanifolium

Giant Sea Holly
Photo: Andrés González, CC BY-SA 3.0

Giant sea holly is a perennial grass-like plant from southern South America, grown for its long, pandan-like leaves and spiny flower heads. The key to growing it is full sun and moist, well-drained soil, as it is mostly a garden plant in mild climates.

Family
Apiaceae (Carrot family)
Grows as
Grass
Light
Full sun
Water
Keep soil moist during the growing season, but avoid waterlogging.
Soil
Moist but well-drained garden soil.
Temperature
15–30 °C; protect from frost below about -5 °C.
How easy
Moderate
Native range
Brazil to NE. Argentina
Climate
subtropical

About

Eryngium pandanifolium, or pandan-like-leaved eryngo or caraguata, is a species of flowering plant in the genus Eryngium of the family Apiaceae, native to southern Brazil, Paraguay, Uruguay, and Argentina, and introduced in Australia, New Zealand, and Portugal. It has gained the Royal Horticultural Society's Award of Garden Merit. Its leaves, which closely resemble those of the unrelated Pampas grass (Cortaderia) are up to 2.7 m (8 ft 10 in) long while only 2.5 to 5 cm (0.98 to 1.97 in) wide.

Other Eryngium plants

Amethyst Eryngo · Field eryngo · Spiritweed · Giant sea holly · Sea-holly · Button eryngo · Eryngo

Text excerpted from the Wikipedia article Eryngium pandanifolium by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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