Overview

Eryngium venustum is a clump forming herbaceous perennial in the genus Eryngium, part of the Apiaceae family, with evergreen foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 1-2 years. Eryngium venustum grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. It is attractive to pollinators and drought resistant. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, gravel garden and wildlife gardens. It is native to Mexico.

About

Eryngium venustum is an evergreen perennial that features a basal rosette of spiny, waxy leaves in a pale grey-green hue. This species produces thimble-shaped flowers, which are silvery white to pale green, on stems reaching approximately 60 cm in height. Blooming occurs from midsummer through early autumn.

About the genus

Eryngium consists of annuals, biennials, and perennials characterized by either entire or lobed foliage, frequently displaying spiny margins. The flower heads are cone-shaped and are typically encircled by a prominent whorl of spiny bracts.

Growing conditions

Best soil and position for Eryngium

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
West-facing, South-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Eryngium venustum size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Evergreen
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
1-2 years
Suggested uses
City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Wildlife gardens
Native to
Mexico

Care notes

Pruning and caring for Eryngium venustum

Cultivation
Grow in dry, well-drained poor to moderately fertile soil in full sun, with protection from winter wet
Pruning
Tidy plants after flowering; ideal for flower arranging - cut the stems before the flowers are fully open
Propagation
Propagate by seed in containers in a cold frame as soon as ripe; insert root cuttings in late winter; propagate by division during spring, although they may be slow to re-establish
Pest resistance
May be susceptible to leaf and bud eelworms, and slugs and snails
Disease resistance
May be susceptible to root rot and powdery mildews

Frequently asked questions

How do I grow Eryngium venustum?

Grow in dry, well-drained poor to moderately fertile soil in full sun, with protection from winter wet.

Where is the best place to plant Eryngium venustum?

Eryngium venustum prefers full sun. It suits sheltered positions.

What soil does Eryngium venustum need?

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

How do I prune Eryngium venustum?

Tidy plants after flowering; ideal for flower arranging - cut the stems before the flowers are fully open.

How big does Eryngium venustum grow?

Eryngium venustum reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 1-2 years to reach full size.

Is Eryngium venustum hardy in the UK?

Eryngium venustum has a UK hardiness rating of H5.

How do I propagate Eryngium venustum?

Propagate by seed in containers in a cold frame as soon as ripe; insert root cuttings in late winter; propagate by division during spring, although they may be slow to re-establish.

Is Eryngium venustum good for pollinators?

Yes — Eryngium venustum attracts and supports pollinators such as bees and other beneficial insects.