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Perennial

Sea Holly

Eryngium maritimum

Sea EryngoSeaside EryngoSea Thistle

Sea Holly is a distinctive coastal plant with spiky blue-silver flowers and holly-like leaves. It symbolizes protection, independence, and attraction, with legendary aphrodisiac properties.

Plant Family

Apiaceae (Carrot family)

Blooming

Summer (June to September), long-lasting flowers

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Distinctive spiky sea holly flowers with blue-silver coloring in coastal setting
Distinctive spiky sea holly flowers with blue-silver coloring in coastal setting

Symbolism & Meanings

Key Meanings

Protection
Independence
Attraction
Allure
Resilience
Defiance
Uniqueness

Perfect For

Protection ritualsLove charmsExpressions of uniquenessCoastal celebrations

Color Meanings

Blue:Protection, tranquility, and ocean connection
Silver-blue:Mystical attraction and lunar energy
Steel blue:Strength and resilience
Purple-blue:Magical allure and enchantment

Similar flowers: thistles and yuccas also share similar meanings.

Cultural Significance

Historically renowned as an aphrodisiac and love charm, sea holly was highly prized in medieval times. Its spiky, defensive appearance combined with beautiful blue colors symbolizes protected beauty and the idea that the most valuable things require effort to obtain. Coastal folklore associates it with sea magic and protection.

Botanical Information

Physical Characteristics

Flower Size: 1-2 inches diameter (2.5-5 cm), globe-shaped flower heads
Plant Size: 1-2 feet tall (30-60 cm), 1-2 feet wide
Flower Shape: Round, spiky flower heads surrounded by distinctive spiny bracts

Natural Habitat

Native to: European coasts, Mediterranean shores, Atlantic coastlines
Habitat: Coastal sand dunes, beaches, and sandy soils near the sea
Climate: Mediterranean, Temperate coastal, Maritime

Growing Guide

Sunlight

Full sun, tolerates coastal winds and salt spray

Water

Low water needs, very drought tolerant, salt tolerant

Soil

Sandy, Well-drained, Poor soils, Salt-tolerant

Expert Growing Tips

1

Excellent drainage absolutely essential

2

Very drought tolerant once established

3

Long taproot makes transplanting difficult

4

Self-seeds in suitable sandy conditions

5

Attractive to bees and butterflies

Uses & Benefits

Ornamental Uses

  • Coastal and seaside gardens
  • Xeriscaping and drought-tolerant landscapes
  • Cut flowers and dried arrangements
  • Architectural and modern garden designs
  • Wildlife gardens for beneficial insects

Traditional Uses

  • Historically used as aphrodisiac and love charm
  • Traditional remedy for digestive issues
  • Folk medicine for kidney and bladder problems
  • Candied roots once considered a delicacy

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Sea Holly

what does sea holly symbolize?

Sea holly symbolizes protection, independence, and attraction, historically known as a love charm while representing resilience and the beauty found in defensive strength.

why is sea holly associated with love?

Sea holly was historically considered a powerful aphrodisiac and love charm, with its roots candied and eaten to enhance attraction and romantic feelings.

where does sea holly naturally grow?

Sea holly naturally grows on coastal sand dunes and beaches throughout Europe and Mediterranean shores, thriving in sandy, salt-tolerant conditions.

is sea holly drought tolerant?

Yes, sea holly is extremely drought tolerant and thrives in poor, sandy soils, making it perfect for xeriscaping and low-water coastal gardens.

Available Colors

Blue
Silver-blue
Steel blue
Purple-blue

Quick Facts

Type:perennial
Family:Apiaceae (Carrot family)
Native to:European coasts
Blooms:Summer (June to September), long-lasting flowers

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