Specifications These premium Strong Giant Green Onion King seeds are strictly cleaned and screened to filter out shrunken, broken and immature grains to ensure consistent high germination. This biennial allium variety grows upright, sturdy plants. It produces long, thick bleached white pseudostems, with dark green upright foliage. The stalk is dense and solid, not easy to hollow or lodge. This variety has strong cold tolerance and good storage performance after harvest.
Product Advantages Strong Giant Green Onion King features vigorous growth and high yield potential. The thick white shaft delivers crisp, pungent and rich flavor. It shows good resistance to common onion diseases and lodging. Pair it with allium vegetable seeds and green onion seeds for your commercial vegetable planting project.
Growing Method Step 1: Select a sunny field with fertile, loose and well-drained loam soil. Remove weeds and break up large soil clods. Step 2: Sow seeds thinly on prepared seedbed, cover lightly with 0.5cm fine soil and mist water gently. Step 3: Keep soil evenly moist, avoid waterlogged soil that causes seed rot and seedling disease. Step 4: Thin seedlings regularly, and transplant robust young seedlings to main field in suitable spacing. Step 5: Water adequately and apply nitrogen-rich fertilizer to promote stalk thickening and leaf growth. Step 6: Hill up soil around the base several times during growth to lengthen the white bleached stalk section. Step 7: Harvest when stalks reach full maturity before the bolting stage.
Suitable Climate Giant green onion prefers cool and sunny environments, optimal growing temperature from 12℃ to 22℃. It tolerates cold well. Sow in late summer or early autumn for fall and winter growth.
Applications Ideal for commercial farm production. Giant green onion is widely used as seasoning for stir-fries, soups, marinades and many savory dishes.
FAQ Q: How long for Strong Giant Green Onion King seeds to germinate? A: In cool moist seedbed, seeds germinate within 7 to 14 days. High temperature will slow sprouting.
Q: Why hill up soil for green onions? A: Hilling blocks sunlight, which helps lengthen the long white stalk and improves market value.
Q: Can green onions survive frost? A: Yes, this variety has good cold resistance and can withstand light frost.
Q: What soil works best for giant green onion? A: Fertile loam soil with good drainage. Heavy waterlogged clay soil should be avoided.

