Leek Giant Italian


Available on backorder


Transplanting ‘Giant Italian’ leeks, known for their large size and excellent flavor, requires specific steps to ensure healthy growth and a successful harvest. Here’s a guide to help you with the process:

1. Seedling Preparation

  • Start with healthy ‘Giant Italian’ leek seedlings. They should be about 6-8 weeks old, with pencil-thin and sturdy stems.
  • Harden off the seedlings by gradually exposing them to outdoor conditions over a week if they were grown indoors.

2. Optimal Transplanting Time

  • Transplant in late spring or early summer, once the risk of frost has passed. Leeks are hardy and can tolerate cooler temperatures.

3. Soil Preparation

  • ‘Giant Italian’ leeks prefer well-drained, fertile soil with a pH of 6.0 to 7.0.
  • Enrich the soil with compost or well-rotted manure before planting.

4. Transplanting

  • Space the plants about 6 inches (15 cm) apart in rows 12-16 inches (30-40 cm) apart.
  • Dig a hole deep enough to accommodate most of the seedling’s stem.
  • Place the seedling in the hole and gently fill it with soil, leaving the top of the seedling exposed.
  • Water well after transplanting.

5. Watering and Care

  • Keep the soil consistently moist. Regular watering is important, particularly during dry spells.
  • Mulch around the plants to help retain soil moisture and suppress weeds.

6. Fertilization

  • Fertilize with a balanced, all-purpose fertilizer after transplanting.
  • Consider a top dressing of compost or a nitrogen-rich fertilizer mid-season to encourage growth.

7. Blanching

  • To achieve white, tender stems, gradually mound soil around the stems as they grow, or use collars to exclude light.

8. Pest and Disease Control

  • Monitor for pests such as leek moths and onion thrips.
  • Use appropriate pest control methods and practice crop rotation to prevent disease.

9. Harvesting

  • Harvest ‘Giant Italian’ leeks when they reach a significant size, usually in late summer or fall.
  • Loosen the soil around each leek and pull it out carefully.

10. Post-Harvest Care

  • After harvesting, clear any remaining plant debris to minimize disease and pest risks.

Growing ‘Giant Italian’ leeks can be particularly rewarding for gardeners who appreciate their large size and robust flavor. For specific advice related to your local growing conditions, consulting with local gardening experts or an agricultural extension service can provide valuable insights.


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