Allium porrum L.
Blaugrüner Winter leek is characterized by blue-green, upright foliage and beautiful white, thick, 20-25 cm long stems with very little onion formation. Excellent taste. Suitable for overwintering outside up to - 15 °C. Development time: 180 days.
Certified organic product
Summer leeks: planting from mid-January for March planting
Autumn leeks: from mid-February to March for planting from May to June.
Winter leeks: from April to early May, for planting from early July to mid-August.
Germination temperature: 16-18 °C
Spacing: 30 - 50 x 15 - 20 cm
Seed requirements: 10-15 g/year for planting, 50 g/year for direct sowing.
Sowing depth: 1-2 cm
Weight per thousand seeds: 2-4 g