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How to Grow and Care for Blue eryngo

Blue eryngo, also known as Flat sea-holly, Plains eryngo, Flat-leaved eryngo, Spiny eryngo, Sea holly

Blue eryngo is known for its low maintenance requirements and resilience, making it an easy-care plant. It thrives in full sun and well-draining soil, showcasing its tolerance for drought once established. Overwatering is a special care point, as it can be detrimental to blue eryngo's health, so ensuring a proper watering regimen is essential. Its ability to adapt to various soil conditions except for highly waterlogged soils makes blue eryngo a versatile choice for gardeners.

Watering schedule: Every week

Sunlight Requirements: Full sun

In This Article

Planting and Growing Blue eryngo

Toughness	High
Care Level	Medium
Care Difficulty	Easy
Lifespan	Perennial
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	6-7.5
Planting Time	Spring
Hardiness Zones	5-9

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Varieties of Blue eryngo

Blue eryngo 'Blue Hobbit'

Blue eryngo 'Blue Hobbit' offers egg-shaped, blue-purple flowers that are held on tall blue-silver stems. The spiny leaves have a silvery green-blue hue. This is a dwarf cultivar of Eryngium planum named for its blue tones and small size. A favorite with gardeners, this cultivar is tolerant of drought, deer, dry soil, rabbits, and salty coastal conditions.

Blue eryngo 'Blue Cap'

Blue eryngo 'Blue Cap' produces a number of thistle-like, brilliant blue flower heads adorned with prominent spiky bracts, just like the species. This cultivar is more compact and floriferous than its parent plant. It makes a great cut flower.

Blue eryngo 'White Glitter'

Drought and salt tolerant, the blue eryngo 'White Glitter' is a deep-rooted cultivar native to southeastern Europe. A selection of the Eryngium planum, the blue eryngo 'White Glitter' is named for its silvery-white, egg-shaped flowers. A very hardy cultivar, the blue eryngo 'White Glitter' is a long-lasting cut flower with a unique texture and color that is popular with bees and butterflies. Gardeners can plant the blue eryngo 'White Glitter' in beds, borders, and small gardens.

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More General Info About Blue eryngo

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Blue eryngo is distinguished by its sturdy, upright clumps which span 1 to 3 feet (30 to 91 cm) in height and 1 to 2 feet (30 to 60 cm) in width. The plant captivates with its unique flower heads, characterized by a thistle-like appearance with spiny textures. These striking blooms present a distinctive visual appeal in any landscape setting. The foliage of blue eryngo is notable for its spiny-edge leaves, contributing to its overall architectural form.