Leek Fencer F1 Hybrid Seeds | Long White Autumn Leeks | Fosters Seeds

Leek Fencer F1 is a premium hybrid producing vigorous plants with long, thick white shanks and attractive blue-green foliage. High yielding, uniform and easy to prepare, it is an excellent choice for autumn and early winter harvesting in UK gardens and allotments.

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Leek Fencer F1 Hybrid Seeds

For leeks for the show benches (exhibition) please go here

Leek Fencer F1 is an outstanding hybrid variety bred to deliver exceptional uniformity, vigour and reliable yields. Producing tall plants with thick, straight white stems and healthy blue-green foliage, it is an excellent choice for gardeners looking for premium-quality leeks with superb flavour and excellent garden performance. The strong upright habit and consistent growth make Fencer F1 equally suitable for home vegetable plots, allotments and exhibition growing, where long, clean shanks are highly prized. Hybrid breeding provides improved uniformity and vigour, helping to produce dependable crops under a wide range of growing conditions.

Fencer F1 matures during the autumn and early winter, producing long, well-blanched stems with excellent weight and texture. The mild, sweet flavour develops as the plants mature, making them ideal for soups, stews, casseroles, roasting, grilling and traditional winter dishes. The thick white stems are easy to clean and prepare, while the upright foliage helps reduce soil contamination during harvesting. Plants also stand well in the ground, allowing harvesting over an extended period without significant loss of quality. Their excellent uniformity makes succession harvesting straightforward, ensuring a steady supply of fresh leeks throughout the season.

Sowing & Propagation

Sow seeds from January to April in seed trays or modules using a quality seed compost. Sow approximately 1 cm deepand maintain a temperature of 15 to 20°C. Germination usually occurs within 10 to 21 days.

When seedlings reach approximately 15 to 20 cm tall and are about the thickness of a pencil, transplant them into their final growing position. Dib holes around 15 cm deep, spacing plants 15 cm apart with 30 to 45 cm between rows. Water the holes after planting to wash soil around the roots naturally, encouraging long, well-blanched stems.

Growing On

Grow in fertile, moisture-retentive, well-drained soil enriched with plenty of well-rotted organic matter. Water regularly during dry weather to maintain uninterrupted growth and feed occasionally with a balanced fertiliser to encourage strong stem development.

Keep the crop free from weeds and earth up lightly around the stems during the growing season if additional blanching is required. Protect young plants from leek moth where necessary using insect-proof netting. Fencer F1 has been bred for vigorous growth, excellent uniformity and dependable field performance, making it particularly well suited to UK growing conditions.

Harvesting

Harvest from September through December, lifting plants carefully with a fork to avoid damaging the long white stems. Harvest as required, leaving remaining plants in the ground until needed. The sweet, tender stems are excellent for fresh cooking and retain their quality well after lifting.

Key Features

  • Premium F1 hybrid
  • Vigorous, upright plants
  • Long, thick white shanks
  • Attractive blue-green foliage
  • Excellent uniformity
  • High yielding
  • Mild, sweet flavour
  • Easy to clean and prepare
  • Excellent standing ability
  • Ideal for autumn and early winter harvesting
  • Suitable for gardens, allotments and exhibition growing

Leek Fencer F1 is an excellent choice for gardeners wanting reliable, high-quality autumn leeks with long white stems and outstanding flavour. Its vigorous growth, impressive uniformity and dependable yields make it one of the best hybrid leek varieties for productive vegetable gardens and allotments

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