LEEKS: Large American Flag (Slab)


Heirloom winter leek renowned for its great flavour, productivity and dependability. Adapted for over-wintering and maturing into the spring, the Winter Giant has dark green leaves and a stocky yet tall non-bulbous cylindrical stem. Can be grown closer together for more tender leeks.

For heirloom seedlings just add water to this ‘soil chocolate’.  Each block contains a leek seed –  just break off a block and plant – SOW SIMPLE!

1 Slab = 4 people = 1 month supply* (*avg.)

  • LIGHT : Full sun
  • SOW: Later Summer, Autumn (see sowing chart)
  • HARVEST: 16 – 20 weeks
  • TYPE: Open pollinated Heirloom. Non-GMO.

LEEKS LIKE TO GROW OUT WITH: Parsnips, celery, carrots, onions

*For good germination – always store your seed in a cool, dark, dry place


SKU: #49 Category:




  1. TOP GERMINATION: Our seed has one of the highest germination rates on the market.
  2. NON-GMO SEED: We sell open pollinated, heirloom seed varieties.
  3. SPECIALIZED SEED FOR VEGETABLE GARDENING: All our designer heirloom seed collections grow edible plants.
  4. HEALTHIER PRODUCE: All our seed products come pre-packaged with organic trace minerals which are absorbed into your crop, making it much healthier to eat.
  5. 100% BIO-DEGRADABLE:  All our products (including our packaging) is environmentally friendly and bio-degrades into earthworm food.
  6. SOW SIMPLE – Each seed collection is designed with you in mind to make sowing seed easy and ‘sow’ much fun.  Easy sow – easy grow.

Additional information

Weight 0.080 kg
Dimensions 19 × 10 × 1.5 cm


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