Add striking texture and vibrant color to your garden with Eryngium Alpinum, also known as Alpine Sea Holly. Famous for its spiky, thistle-like flowers in shades of blue and violet, this perennial creates a dramatic display in borders, rock gardens, and wildflower meadows. Loved for its long-lasting blooms and ability to attract pollinators, Eryngium Alpinum is a hardy and low-maintenance choice that thrives in sunny, well-drained locations.
Features & Specifications:
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Plant Type: Perennial flowering plant
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Flower Color: Blue to violet spiky blossoms with silvery bracts
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Height: 60–90 cm (24–36 inches)
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Light Requirements: Full sun
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Seed Type: Heirloom, GMO Free
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Best Uses: Borders, rock gardens, pollinator gardens, and cut flowers
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Blooming Season: Mid to late summer
Planting & Sowing Instructions:
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Soil Preparation: Prefers sandy, well-drained soil; avoid heavy clay.
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Sowing Depth: Sow seeds on the soil surface and cover lightly with fine soil or sand.
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Spacing: Keep 30–40 cm (12–16 inches) apart.
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Watering: Water sparingly; tolerates dry conditions once established.
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Light: Requires full sun for strong growth and vibrant color.
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Temperature: Germination may be slow; benefits from a cold stratification period.
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Germination Time: 3–6 weeks, sometimes longer depending on conditions.
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Maintenance: Minimal care; drought tolerant and deer resistant.
Benefits:
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Unique spiky blooms for dramatic garden displays
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Attracts bees, butterflies, and other pollinators
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Excellent cut flower with long vase life
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Hardy perennial, reliable in tough conditions