Stem onion ‘Ishikura Long White’ - organic seeds

Stem Onion 'Ishikura Long White' - Organic Seeds

The Spring Onion 'Ishikura Long White' is a unique variety that does not form a bulb but instead produces a long, thick white stalk. This leek-like onion has a delicate flavor that adds a fragrant touch to exotic dishes, salads, and many other recipes. It is an excellent choice for anyone looking for a versatile, mild onion.

Sowing Advice for Successful Cultivation

• Sowing time: Sow the seeds directly in the ground from March to April.
• Spacing: Sow the seeds in rows with a 25 cm distance.
• Covering: Lightly cover the seeds, about 1 cm deep.
• Thinning: After 2.5 months, thin the seedlings to 8 cm apart, and thin them again to 10 cm after a few more weeks.
• Green shoots: Do not discard the young green shoots, they are excellent in salads for added flavor.

Maintenance Tips

• Soil: Choose a light, well-draining soil and ensure a sunny location.
• Weeding: Regular weeding is essential, especially during the early stages of growth.
• Watering: Water moderately in the early stages and only during severe drought later.

Diseases

• The onion is susceptible to downy mildew.
• Prevention: Apply well-rotted manure and spray regularly with horsetail extract.
• Onions require a light, fertile soil and should be planted in a sunny location, avoiding moist ground.

Harvesting

• Harvest period: From late July to September.
• Encouraging ripening: Bend the stems in August to the ground to stop growth.
• Storage: Let the harvested onions dry for 48 hours in dry weather, then store them in a well-ventilated place.

Companion Planting

• Good companion plants for onions include carrots, tomatoes, beets, lettuce, and strawberries.
• Avoid nitrogen-fixing crops, as they may interfere with onion growth.

Health Benefits

• Onions offer many health benefits, including antioxidant, anti-inflammatory, antimicrobial, antidiabetic, and cardiovascular effects.