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Blue Or False Sea Holly

Eryngium Planum

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Overview

Eryngium planum, commonly known as Blue Sea Holly, is a striking perennial bearing a unique metallic blue hue. Ideal for zones 4-9, it reaches 2 to 3 feet in height and spans 1 to 1.5 feet wide. This drought-tolerant plant thrives in full sun and well-drained soil, producing thistle-like blooms from mid to late summer. Its texture and color add distinct contrast to any garden composition.

Sun FullWater LowZones 2–9Type PerennialClimate Temperate
Blue Or False Sea Holly (Eryngium Planum) — This drought-tolerant plant thrives in full sun and well-drained soil; including bees and butterflies

Culture

Sun
Full
Water
Low
USDA zones
2–9

Shape & size

Mature height
2–3 Ft.
Mature width
1–2 Ft.

Classification

Type
Perennial
Family
Apiaceae (Umbelliferae)
Climate
Temperate

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Photos (85)

Blue Or False Sea Holly (Eryngium Planum) — scientifically known as Eryngium planum; the plant's deep taproot system can make it resilient but also, image 54
Blue Or False Sea Holly (Eryngium Planum) — is a striking perennial that offers a unique texture and color to any landscape design
Blue Or False Sea Holly (Eryngium Planum) — This hardy plant is characterized by its thistle-like
Blue Or False Sea Holly (Eryngium Planum) — The plant's deep taproot system can make it resilient but also challenging to transplant
Blue Or False Sea Holly (Eryngium Planum) — producing thistle-like blooms from mid to late summer; eryngium planum, commonly known as Blue Sea, image 52
Blue Or False Sea Holly (Eryngium Planum) — Eryngium planum, commonly known as Blue Sea Holly, is a striking perennial bearing a unique metallic, image 25
Blue Or False Sea Holly (Eryngium Planum) — Eryngium planum offers architectural interest and a metallic shimmer; perennial for full
Blue Or False Sea Holly (Eryngium Planum) — scientifically known as Eryngium planum
Blue Or False Sea Holly (Eryngium Planum) — producing thistle-like blooms from mid to late summer; eryngium planum, commonly known as Blue Sea Holly, is a
Blue Or False Sea Holly (Eryngium Planum) — Ideal for zones 4-9, it reaches 2 to 3 feet in height and spans 1 to 1.5 feet wide; thriving in USDA Hardiness
Blue Or False Sea Holly (Eryngium Planum) — perennial for full
Blue Or False Sea Holly (Eryngium Planum) — or as a striking focal point; and its nectar-rich flowers attract a plethora of pollinators
Blue Or False Sea Holly (Eryngium Planum) — This drought-tolerant plant thrives in full sun and well-drained soil; including bees and butterflies, image 51
Blue Or False Sea Holly (Eryngium Planum) — intense blue to violet flowers
Blue Or False Sea Holly (Eryngium Planum) — making it a suitable candidate for xeriscaping; perennial with blue blooms
Blue Or False Sea Holly (Eryngium Planum) — Its texture and color add distinct contrast to any garden composition; this hardy plant is characterized by its
Blue Or False Sea Holly (Eryngium Planum) — thriving in USDA Hardiness Zones 5 to 9
Eryngium Planum
Eryngium Planum
Eryngium Planum
Eryngium Planum
Eryngium Planum
Eryngium Planum
Eryngium Planum
Photographs by 4 contributors

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