Thompson & Morgan Leek BulgAArse Reuzen - Lincoln - 1 Seed Packet

This Leek variety is ideal for early harvesting, providing crops in the summer. Sow seeds in early...

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This leek variety is for gardeners seeking an early harvest of medium-sized, clean white leeks for late summer and autumn use. Its key benefit is a low risk of bolting and good disease resistance, allowing for extended harvest. A caveat is that successful germination requires specific temperature ranges and patience.

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Model Part Number54788
BrandThompson & Morgan

Extended Product Information

FAQs

When is the best time to sow this leek variety?

You can sow indoors from January to February for an earlier start, or directly outdoors from late March to April.

What are the ideal germination conditions?

For indoor sowing, maintain a temperature of 10-15°C (50-59°F) and keep the compost consistently moist. Germination typically takes 14-21 days.

How tall and wide do these leeks grow?

The plants reach a height of approximately 45cm (18 inches) and spread to about 30cm (12 inches) wide.

Can I leave the leeks in the ground over winter?

Yes, this variety stands well in the soil and can be harvested throughout autumn. In milder climates, it may overwinter.

What does 'low risk of bolting' mean?

It means the leeks are less likely to develop a flower stalk prematurely, ensuring more energy goes into developing the edible leek shank.

Do I need to 'earth up' the leeks?

Yes, earthing up the stems as they grow helps to blanch the white shank, making it longer and more tender. This is done by drawing soil up around the base of the plant.

Are these leeks suitable for beginners?

Yes, due to their disease resistance and low bolting tendency, they are a good choice for beginner gardeners looking for reliable results.

Troubleshooting

Seeds fail to germinate

Ensure consistent temperature between 10-15°C for indoor sowing. Check that the compost is kept adequately moist but not waterlogged. Germination can take up to 21 days.

Leek seedlings are leggy or weak

Provide adequate light after germination. Avoid excessively high temperatures after seedlings emerge; grow in cooler conditions. Ensure good air circulation.

Plants bolt (go to seed) prematurely

This variety has a low risk of bolting. However, severe stress from drought, extreme temperatures, or nutrient deficiency can trigger bolting in any leek.

Yellowing leaves

This can indicate a lack of nitrogen. Apply a balanced liquid feed or side-dress with compost. Ensure consistent watering, as drought stress can also cause yellowing.

Pros and Cons

Pros

  • Ideal for early and extended harvesting.
  • Resistant to bolting, ensuring better yield.
  • Good disease resistance for healthier plants.
  • Flexible harvest period throughout autumn.
  • Suitable for both indoor sowing and direct outdoor planting.

Cons

  • Requires specific temperature ranges for indoor germination.
  • Germination can take 14-21 days, requiring patience.
  • Plants need protection from frost until the risk has passed.
  • Images are for guidance only and actual results may vary.

Setup, Compatibility & Care

Sowing Indoors (Recommended for Early Start):

  1. Sow seeds indoors from January to February.
  2. Use modules filled with free-draining seed sowing compost.
  3. Plant seeds at a depth of 1cm (1/2 inch).
  4. Place modules in a propagator or seal in a plastic bag.
  5. Maintain a temperature of 10-15°C (50-59°F) until germination.
  6. After germination, grow plants in cool conditions until all risk of frost has passed.

Direct Outdoor Sowing:

  1. Sow seeds outdoors from late March to April.
  2. Prepare a well-drained seedbed.
  3. Plant seeds at a depth of 1cm (1/2 inch).
  4. Transplant seedlings to their final positions later in the season.

General Care:

  • Position: Full sun in a kitchen garden. Leeks prefer a sunny spot with fertile, well-drained soil.
  • Height: Reaches approximately 45cm (18 inches).
  • Spread: Grows to about 30cm (12 inches) wide.
  • Watering: Keep soil consistently moist, especially during dry spells.
  • Aftercare: Once transplanted, earth up the stems as they grow to encourage blanched white shanks. Ensure adequate feeding if soil is not rich.

Compatibility: Suitable for most temperate climates. As a hardy biennial, it can overwinter in milder regions.