Eryngium alpinum 'Superbum' / 'Blue Star'

Sowing method: All year round. 2-4 weeks in a warm and humid spot (seed swells), then the seed tray for 4-6 weeks in the refrigerator (germination hormones are activated), then move to a warmer spot again (germination follows).

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Sowing/planting time:

• All year

Harvesting time:

• All year

Soil type:

• All soil types
• Calcareous

Cultivation location:

• Indoors
• Outdoors warm / sheltered

Position:

• Sun

• Flower colour: Steel blue
• Origin: Europe, Alpine region
• Average growth height: 60 to 90 cm
• Annual or perennial: Perennial
• Attractive to insects: Various insects
• Winter hardy: Forst hardy
• Ease of cultivation: Advanced

• Latin: Eryngium alpinum
• Dutch: Blue Eryngo
• Also known as: Alpine thistle
• English: Sea Holly

• All year round