


Blue Eryngium Plant Seeds for Planting and Home Garden
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Product Description
Overview
Blue Eryngium Plant Seeds grow into strong, architectural perennial plants known for their spiky silver-green foliage and vivid steel-blue cone-shaped blooms. Commonly called Sea Holly, Eryngium adds a dramatic, modern look to home gardens, borders, rock gardens, and dry landscapes. With excellent drought tolerance and long-lasting flowers that are perfect for fresh and dried arrangements, Blue Eryngium is both ornamental and highly practical for low-maintenance gardening.
Features
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Premium-quality, non-GMO Blue Eryngium Plant Seeds
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Produces striking steel-blue spiky cone-shaped blooms
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Ideal for home gardens, borders, rock gardens, and dry landscapes
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Strong germination with hardy perennial growth
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Excellent drought and heat tolerance once established
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Attracts bees, butterflies, and beneficial pollinators
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Perfect for fresh and dried flower arrangements
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Low-maintenance and beginner-friendly perennial plant
Specifications
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Plant Type: Perennial
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Common Name: Blue Eryngium, Sea Holly
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Scientific Name: Eryngium planum
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Variety: Blue Flowering Type
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GMO Status: Non-GMO
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Heirloom: Yes
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Growth Season: Spring–summer
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USDA Zones: 4–9
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Sun Exposure: Full sun
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Soil Type: Well-drained, sandy to loamy soil
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Bloom Time: Mid-summer to early autumn
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Plant Height: 18–36 inches
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Spacing: 12–18 inches
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Watering: Low to moderate (drought-tolerant once established)
Planting Guide
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Sowing Method: Direct sow outdoors or start indoors
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Seed Preparation: Light cold stratification for 2–4 weeks recommended
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Sowing Depth: Surface sow; lightly press into soil
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Germination Time: 14–30 days
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Ideal Temperature: 15–22°C
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Transplanting: Transplant outdoors once seedlings are strong and weather is mild
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