Eryngium alpinum 'Holden Blue' (alpine eryngo 'Holden Blue') — Clump forming

Overview

Eryngium alpinum 'Holden Blue' is a clump forming herbaceous perennial in the genus Eryngium, part of the Apiaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Eryngium alpinum 'Holden Blue' grows best in full sun, and tolerates most soils and any pH. It is drought resistant.

About the genus

Eryngium is a genus of flowering plants in the family Apiaceae. There are about 250 species. The genus has a cosmopolitan distribution, with centres of diversity in the western Mediterranean, South America and Mexico.

Wikipedia contributors, "Eryngium", CC BY-SA 4.0 — Eryngium

Growing conditions

Best soil and position for Eryngium

Sunlight: Full sun
Soil type: Chalk, Clay, Loam, Sand
Soil pH: Acid, Alkaline, Neutral
Soil moisture: Well-drained
Aspect: East-facing, South-facing, West-facing
Exposure: Exposed, Sheltered

Plant details

Eryngium alpinum 'Holden Blue' size, habit and characteristics

Plant type: Herbaceous Perennial
Habit: Clump forming
Foliage: Deciduous
Height: 0.5-1 metres
Spread: 0.1-0.5 metres
Time to full height: 2-5 years

Frequently asked questions

Where is the best place to plant Eryngium alpinum 'Holden Blue'?

Eryngium alpinum 'Holden Blue' prefers full sun. It suits exposed and sheltered positions.

What soil does Eryngium alpinum 'Holden Blue' need?

Eryngium alpinum 'Holden Blue' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.

How big does Eryngium alpinum 'Holden Blue' grow?

Eryngium alpinum 'Holden Blue' reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.

More in the Eryngium genus

Browse all Eryngium →