Leek (Allium porrum) from Seed: slow, steady, sweet; blanch for tender hearts 1500 seeds

Leek (Allium porrum) from Seed: slow, steady, sweet; blanch for tender hearts TL;DR Sow early, prick out once, and grow on with steady moisture. Transplant deep and either trench or collar to blanch the shanks. Harvest pencil-thin for baby leeks or later for thick, sweet stems. This is a home-growing guide; not nutrition or medical advice. Quick Definition Leek is a cool-season Allium grown for its long, mild, onion-like stem (the “shank”). Unlike bulb onions, leeks are harvested for their thickened leaf bases, which can be blanched to keep them pale and tender. At-a-glance Facts What it is: Cool-season allium grown for a long, mild stem rather than a bulb. Flavor: Sweet, gentle onion; deeper green tops taste stronger. Best moments: Bright, cool conditions; consistent moisture; fertile, stone-free soil. Grow basics: Start in trays; prick out to cells; transplant deep; blanch with soil, mulch, or collars. Pairs with: Carrots, brassicas, celery; fine mulch and drip irrigation.