Overview
Eryngium campestre is a clump-forming, upright and branching; some form basal rosettes perennial in the genus Eryngium, part of the Apiaceae family, with deciduous or evergreen; leathery, often spiny, sometimes marbled or silver-veined foliage. It typically grows around 0.6 m tall. Eryngium campestre grows best in full sun, and tolerates most soils and neutral to alkaline pH. Its UK hardiness is rated H4-H7. Suggested uses include gravel gardens, rockeries, borders and drought-tolerant gardens. It is native to Belgium, Flemish Region, Walloon Region, Flanders, Grand Duchy of Luxembourg and Portugal Continental.
About
Eryngium campestre is a clump-forming perennial in the carrot family with tough, leathery, often spiny leaves. It reaches about 0.6 m and produces compact flower heads from June to September. It favours full sun on sharply drained sand, chalk or gravel in neutral to alkaline soils and will not tolerate winter wet. Plants are upright and branching, with many forming basal rosettes on drier sites.
Wikipedia contributors, CC BY-SA 4.0 — Eryngium campestre
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
In the garden
Eryngium campestre comes from parts of western and southern Europe and the nearby Atlantic regions and is a member of the Apiaceae. Its architectural, spiny foliage and compact heads of summer flowers give it a distinctive silhouette on exposed sites. Flowering runs from June to September. Plant it in full sun where soil drains freely — sharply drained sand, chalk or gravel suit it best. It prefers neutral to alkaline conditions and is intolerant of winter waterlogging; avoid clay that stays wet over winter. Position on a south- or west-facing slope or an exposed ridge to replicate its native, open habitats. Hardiness is H4–H7, meaning average to fully hardy, so it will survive typical UK winters provided roots remain dry. Use field eryngo in gravel gardens, rockeries and drought-tolerant borders where its upright, branching habit and spiny leaves provide structure. In mixed gravel plantings it pairs with other calcicole perennials and low-growing grasses. Expect many plants to hold a brisk basal rosette of tough leaves where drainage and exposure are favourable.
Growing conditions
Best soil and position for Eryngium
- Sunlight
- Full sun
- Soil type
- Poor to moderately fertile, sharply drained sand, chalk or gravel
- Soil pH
- Neutral to alkaline
- Soil moisture
- Well drained to dry; winter wet is fatal
- Aspect
- South or west facing
- Exposure
- Exposed
- UK hardiness
- H4-H7
Plant details
Eryngium campestre size, habit and characteristics
- Plant type
- Perennial
- Habit
- Clump-forming, upright and branching; some form basal rosettes
- Foliage
- Deciduous or evergreen; leathery, often spiny, sometimes marbled or silver-veined
- Height
- 0.6 m
- Suggested uses
- Gravel gardens, rockeries, borders, drought-tolerant gardens
- Native to
- Belgium, Flemish Region, Walloon Region, Flanders, Grand Duchy of Luxembourg, Portugal Continental
Care notes
Pruning and caring for Eryngium campestre
- Cultivation
- Give them the hottest, poorest, best-drained position in the garden. Rich soil produces soft growth that flops and rots, so resist feeding. Most resent disturbance because of a long taproot, which is also what makes them genuinely drought-tolerant once settled - plant young and leave alone. Excellent in gravel gardens and on thin chalk.
- Pruning
- Cut spent stems back in early spring rather than autumn, since the dried heads are among the best winter silhouettes in the border.
- Propagation
- Sow seed fresh in autumn, as germination becomes erratic once stored. Root cuttings taken in winter are the reliable route for cultivars; division rarely succeeds given the taproot.
- Pest resistance
- Slugs damage young growth, particularly on the rosette-forming species; otherwise little troubled.
- Disease resistance
- Healthy where drainage is adequate. Root and crown rot follow winter waterlogging, which is by far the commonest cause of loss.
Frequently asked questions
How do I grow Eryngium campestre?
Give them the hottest, poorest, best-drained position in the garden. Rich soil produces soft growth that flops and rots, so resist feeding. Most resent disturbance because of a long taproot, which is also what makes them genuinely drought-tolerant once settled - plant young and leave alone. Excellent in gravel gardens and on thin chalk.
Where is the best place to plant Eryngium campestre?
Eryngium campestre prefers full sun. It suits exposed positions.
What soil does Eryngium campestre need?
Eryngium campestre is adaptable and grows happily in most soil types, including poor to moderately fertile, sharply drained sand and chalk or gravel. It prefers neutral to alkaline soil. Aim for soil that stays well drained to dry; winter wet is fatal.
How do I prune Eryngium campestre?
Cut spent stems back in early spring rather than autumn, since the dried heads are among the best winter silhouettes in the border.
How big does Eryngium campestre grow?
Eryngium campestre reaches a height of 0.6 m.
Is Eryngium campestre hardy in the UK?
Eryngium campestre has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Eryngium campestre?
Sow seed fresh in autumn, as germination becomes erratic once stored. Root cuttings taken in winter are the reliable route for cultivars; division rarely succeeds given the taproot.
More in the Eryngium genus
- Eryngium agavifoliumSea Holly
- Eryngium bromeliifoliumpineapple-leaved eryngo
- Eryngium eburneum
- Eryngium horridumSea Holly
- Eryngium planum 'Blaue Kappe'Blue Eryngo
- Eryngium planum 'Seven Seas'Blue Eryngo
- Eryngium proteiflorumprotea-like-flowered eryngo
- Eryngium serraSea Holly
