Amethyst sea holly (Eryngium amethystinum) is a perennial plant that can grow 50cm – 1.5m tall and 10cm – 50cm wide.
This plant has several common names including: amethyst sea holly, amethyst eryngo or Italian eryngo.
This is a semi-evergreen plant that takes 2-5 years to reach full maturity.
Plant profile
Common name: amethyst sea holly, amethyst eryngo, Italian eryngo
Scientific name: Eryngium amethystinum
Plant type: Perennials
Habit: Bushy
Height: 50cm – 1.5m
Spread: 10cm – 50cm
Foliage: Semi-evergreen
Sunlight: Full Sun
Soil: Chalk, Loam, Sand
Moisture: Well drained
Garden type: Architectural, City & Courtyard Gardens, Coastal, Informal Garden, Patio & Container Garden, Rock & Gravel Garden, Wildflower meadow
Planting type: Cut Flowers, Flower borders and bedding
Other characteristics: Drought resistant
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |

How to plant Amethyst sea holly (Eryngium amethystinum) – Alvesgaspar, CC BY-SA 3.0, via Wikimedia Commons

Cultivation profiles – Growing Amethyst sea holly (Eryngium amethystinum) – Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, via Wikimedia Commons



