Blue eryngo - Eryngium planum (Care, Characteristics, Flower, Images)

Blue eryngo

Also known as: Flat sea-holly

Blue eryngo (Eryngium planum) grows native in southeastern Europe and central Asia. It is a species of thistle that produces a blue, egg-shaped bloom in summer. It is used in landscaping for full-sun beds and borders.

Scientific classification

Species

Blue eryngo (Eryngium planum)

Carrots, ivies and allies

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Perennial

Lifespan

Herb

Plant Type

Summer, Fall

Bloom Time

75 cm

Plant Height

45 cm to 60 cm

Spread

Green, Blue, Gray, Silver

Leaf Color

1 cm to 1.2 cm

Flower Size

Blue

Flower Color

Green, Blue

Stem Color

Summer

Growth Season

Images of Blue eryngo

Distribution of Blue eryngo

Distribution Map

Eryngium planum, an herbaceous plant, is native to Eastern Europe and parts of Asia, flourishing in a diverse range of climates across these regions. Its popularity as a cultivated plant has led to its introduction in various parts of Northern and Western Europe, as well as in North Africa. Blue eryngo thrives in both its natural habitat and new regions, illustrating its adaptability and expanding cultivation status.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Orchards, cultivated areas

Culture

Garden Use

Blue eryngo is worth considering for garden sites with heavy sun exposure and can be planted in naturalized border areas. This plant’s compact nature also makes it ideal for small garden sites, as a specimen plant, and for narrow borders when planted in groups. The flowers can also be cut and dried for floral arrangements.

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Cultivars

There are several recognized cultivars of Blue eryngo, including the following common varieties :

Blue eryngo 'Blue Cap'Blue eryngo 'White Glitter'Blue eryngo 'Blue Hobbit'

Quickly Identify Blue eryngo

Upright clumps reaching 1-3 feet (30-91 cm) in height and 1-2 feet (30-60 cm) in width.

Flower heads are spherical-cylindrical umbels, 2 inches (5 cm) across, with stemless steel violet-blue flowers.

Spiny-edge, toothed leaves in a basal rosette, elliptic to oblong, up to 14 inches (35 cm) wide.

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Care Guide for Blue eryngo

Every week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from dry grasslands, blue eryngo thrives in minimal moisture, demonstrating significant drought tolerance. Weekly watering maintains its vigor, making it suitable for xeriscaped gardens focused on water conservation and outdoor cultivation due to its resilience and ornamental qualities.

Fertilize: To ensure optimal growth and flowering of blue eryngo, use a balanced fertilizer in spring and a high-phosphorus mix pre-bloom. Apply it quarterly in moderate amounts, adjusting for growth phases. Incorporate slow-release formulations and water deeply after application to prevent root damage.

Pruning: Blue eryngo is a perennial with spiky blue flowers and silvery foliage. Prune in early to late spring by removing dead stems to encourage growth. Trim spent flowers post-bloom for aesthetics and potential rebloom. Regular pruning maintains shape and health, while sanitized tools minimize disease risk.

Propagation: Blue eryngo is a resilient herbaceous perennial from dry, rocky areas, best propagated by division. Carefully separate root clumps, ensuring each has part of the crown and roots. Replant quickly in well-draining soil, maintaining moisture for root establishment without overwatering.

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Images of Blue eryngo

Distribution of Blue eryngo

Culture

Cultivars

Quickly Identify Blue eryngo

Care Guide for Blue eryngo

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