Allium Porrum (Leek)
Allium Porrum (Leek)
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Allium Porrum (Leek) is a hardy, cool-season vegetable valued for its mild onion flavour and versatile culinary use. Its upright growth produces long, white shanks topped with attractive blue-green, strap-like leaves, adding structure and order to edible gardens and vegetable beds. Leeks are widely used in soups, stews, roasts, and gourmet dishes, offering a sweeter and more refined flavour than traditional onions, making them a kitchen essential for home growers.
Easy to grow and highly productive, Leeks thrive in full sun with rich, well-drained soil and consistent moisture. Their long growing period rewards patient gardeners with excellent yields and reliable harvests through cooler months. Ideal for kitchen gardens, raised beds, and companion planting systems, Allium Porrum is a dependable choice for gardeners seeking a low-maintenance, nutrient-rich crop that delivers both flavour and versatility throughout the season.
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Mature height
30cm – 60cm (edible stalk); up to 90cm when flowering
Mature width
10cm – 15cm
Spacing
10cm – 15cm apart (or 15cm – 20cm for larger development)
Evergreen/Deciduous
Biennial (grown as annual vegetable crop)
Foliage
Upright, strap-like blue-green leaves forming a tight vertical clump above a long white edible stem
Flowering Period & Fruit Development/Harvest
Typically flowers in the second year if allowed to bolt, producing globe-shaped white to pale purple flower heads; harvested when stems reach desired thickness, usually 120–180 days after planting
Sun tolerance
Prefers full sun
Maintenance
Low maintenance; requires regular watering, earthing up (blanching) of stems for best quality, and weed control during early growth stages
Root System
Shallow fibrous root system that anchors loosely in fertile, well-drained soil; benefits from nutrient-rich growing conditions