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Eryngium zabelii Jos Eijking

Eryngium zabelii Jos Eijking®
Sea Holly, Blue Eryngo

4,5/5
4 reviews
3 reviews
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Nothing the first year. The second, one "young plant" produced a very beautiful "flowering" and the other remained quite stunted without "flowers". Attracts red insects that are only seen on this "plant". Truly curious. Note that the "flowers" are much larger than those of the blue thistles I knew.

Gilles, 03/08/2021

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This plant carries a 12 months recovery warranty

More information

Value-for-money
Perennial developing lovely bluish-grey stems, adorned with umbel-shaped grey-green flowers crowned with a thorny bract of a magnificent cobalt blue.
Flower size
6 cm
Height at maturity
70 cm
Spread at maturity
30 cm
Exposure
Sun, Partial shade
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil
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Best planting time March, October to November
Recommended planting time February to April, September to November
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Flowering time August to October
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Description

Eryngium Jos Eijking, also known as Sea Holly or Ornamental Thistle, is a perennial that develops beautiful bluish-grey stems, adorned with cone-shaped umbels of grey-green flowers crowned with magnificent, cobalt blue, spiny bracts.

Hardy to -20°C (-4°F), Eryngium Jos Eijking forms a rosette of deciduous, basal leaves that are deeply incised, with veins of medium green and hints of silver-grey. In August, the flower spikes, initially grey and then intense blue, bear 70cm (28in) tall conical heads of grey-green flowers measuring 8-10cm (3-4in) in diameter, crowned by bracts that turn from grey to cobalt blue. The dried flowers of Eryngium are widely used in dried bouquets.

Eryngium zabelii Jos Eijking thrives in deep, well-drained, even poor and stony soils in warm and sunny locations. This perennial plant readily self-seeds in rocky and deep soils. Plant it in rockeries and dry borders alongside blue Salvias, Perovskia, Pennisetums, and Stipa.

Eryngium zabelii Jos Eijking in pictures

Eryngium zabelii Jos Eijking (Foliage) Foliage

Flowering

Flower colour blue
Flowering time August to October
Inflorescence Umbel
Flower size 6 cm
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Semi-evergreen
Foliage colour green

Plant habit

Height at maturity 70 cm
Spread at maturity 30 cm
Growth rate normal

Botanical data

Genus

Eryngium

Species

zabelii

Cultivar

Jos Eijking®

Family

Apiaceae

Other common names

Sea Holly, Blue Eryngo

Origin

Cultivar or hybrid

Planting and care

Eryngium zabelii Jos Eijking should be planted from September to April in a well-drained, dry, poor and rocky soil in full sun. In heavy soil or in excessively wet regions, mix compost, sand and gravel with your garden soil and plant in a raised bed. Don't forget to place gravel at the bottom of the hole for good drainage. It is sensitive to winter moisture.

Planting period

Best planting time March, October to November
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Rockery
Type of use Border
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Amateur
Planting density 6 per m2
Exposure Sun, Partial shade
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Stony (poor and well-drained)
Soil moisture Dry soil, Well-drained and deep

Care

Pruning instructions Cut the flower stalks as they appear.
Pruning Pruning recommended once a year
Pruning time August to September
Disease resistance Very good
Overwinter Can be left in the ground
4,5/5
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