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Product Description
Add striking elegance to your garden with Blue Eryngium Alpinum Flower seeds, known for their unique blue thistle-like blooms and premium quality growth. Perfect for flower beds, borders, and container planting, these plants offer long-lasting ornamental beauty. These seeds are heirloom and GMO-free, ensuring reliable growth for home gardeners.
Features & Specifications:
Plant Type: Eryngium Alpinum (Blue variety)
Seed Type: Heirloom, Non-GMO
Flower Color: Blue
Growth Habit: Upright, spiky, ornamental
Height: 30–60 cm (12–24 inches)
Bloom Time: Summer
Ideal Use: Flower beds, borders, containers, ornamental gardens
Climate: Prefers full sun; well-drained soil
Planting & Sowing Instructions:
Soil: Use well-draining soil suitable for outdoor or container planting.
Sowing: Sow seeds 0.3–0.5 cm deep in seed trays or small pots.
Watering: Keep soil lightly moist until germination; avoid overwatering.
Light: Full sun for optimal growth and flowering.
Temperature: Germination occurs best at 18–22°C (64–72°F).
Germination: Seeds typically sprout within 2–4 weeks.
Transplanting: When seedlings have 2–3 sets of true leaves, transplant to garden beds, borders, or containers.

Life Cycle
Perennial Flowering Plant
Planting Season
Summer Blooming Season
Growth Habit
Upright Clumping Growth
Flavor Profile
Non Edible Variety
Plant Characteristics
Spiky Metallic Blue Blooms
Use
Cut Flowers Borders
Growing Conditions
Well Drained Sandy Soil
Harvest Advantages
Excellent Dried Flowers
Plant Resistance
Drought Tolerant Variety
Scientific Name: Eryngium alpinum
Seed Names
Alpine Sea Holly
Seed Type
Heirloom Open Pollinated
Blue Eryngium Alpinum, commonly known as Alpine Sea Holly, is a premium heirloom perennial admired for its striking metallic blue spiky blooms. Thriving in sunny locations with well-drained sandy soil, it produces long-lasting flowers perfect for fresh and dried arrangements. Its bold texture adds dramatic contrast to borders and garden beds.
Light Requirement
Full Sunlight
Planting Depth
¼ Inch Deep
Sowing Method
Direct Or Indoor
Plant Spacing
12–18 Inches Apart
Days to Maturity
120–150 Days
Soil Preparation
Cold Stratify Seeds
Hardiness Zones
4–8 USDA
Water Needs
Low Moderate Water
Planting Season
Spring Early Fall
Seed Count
Recommended Coverage
100
Up to 80 sq ft
500
Up to 400 sq ft
1000
Up to 800 sq ft