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Garden Leek

Allium porrum

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
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Plant Profile

Flowering Months:
Alliaceae (Onion)
Also in this family:
Life Cycle:
Maximum Size:
1 metre tall
Gardens, parks, towns.

Purple, 6 petals
Large globular umbel of pinkish-purple flowers, each flower having 6 petal-like tepals, up to 10cm wide.
A capsule.
Flat, folded and linear leaves.
Smells strongly, like onions or garlic.
Frequency (UK):
Occasionally seen  

Other Information


Allium porrum, also known as leek, is a species of perennial bulbous plants in the Amaryllidaceae family. It is native to the eastern Mediterranean region and western Asia. This species is a hardy, perennial bulb, producing tall, sturdy stems with long, broad leaves and large, globular umbels of white or pinkish flowers in late spring and early summer. The bulbs have a mild onion-like flavor, similar to shallots. It is a popular vegetable in Mediterranean and European cuisine, and it is used in soups, stews, omelets, quiches and as a side dish. It is also used as an ornamental plant in gardens and landscapes due to its large and showy flowers. It is tolerant of drought and can be grown in a wide range of soil types, and it is also tolerant of coastal conditions and pollution making it suitable for planting in urban areas.


Garden Leek, scientifically known as Allium porrum, is a vegetable that belongs to the Allium family, which includes onions, garlic, and shallots. It is a biennial plant that is mainly grown for its edible leaves and stems, which have a mild onion-like flavor.

The Garden Leek is a popular vegetable in many parts of the world, including Europe, North America, and Asia. It is commonly used in soups, stews, and other dishes that require a mild onion-like flavor. Additionally, the Garden Leek is a great source of nutrients, including vitamin K, vitamin C, and fiber.

Growing Garden Leek

Garden Leek can be grown in most soil types as long as they are well-draining and rich in organic matter. It prefers a pH of 6.0 to 7.0. The plant needs a cool climate to thrive, and it is usually planted in early spring or early fall.

To grow Garden Leek, you can start by sowing seeds indoors in late winter or early spring. Once the seedlings are large enough, you can transplant them to a well-prepared garden bed with a spacing of 6 inches between plants and 12 inches between rows. The plant requires consistent watering, especially during dry periods, to prevent bolting.

It is essential to note that Garden Leek is a heavy feeder and requires regular fertilization with a balanced fertilizer. You can also mulch around the plants to help retain moisture in the soil and control weeds.

Harvesting Garden Leek

Garden Leek is usually harvested when the stem reaches a thickness of about 1 inch. You can begin harvesting the outer leaves by cutting them at the base, leaving the inner leaves to continue growing. Alternatively, you can pull the entire plant out of the ground by gently loosening the soil around the base of the plant.

It is important to note that Garden Leek can be stored for a long time, making it a great vegetable to have during the winter months. You can store the harvested leeks in a cool, dry place or wrap them in plastic and store them in the refrigerator for up to two weeks.

Cooking with Garden Leek

Garden Leek can be used in a variety of dishes, including soups, stews, salads, and casseroles. It is commonly used as a substitute for onions or garlic, and it pairs well with other vegetables like potatoes, carrots, and celery.

One popular dish that uses Garden Leek is potato leek soup. To make this dish, you will need to sauté chopped leeks and garlic in butter before adding diced potatoes, chicken broth, and seasonings. The soup is then simmered until the potatoes are tender before blending to a smooth consistency.

In conclusion, Garden Leek is a versatile and easy-to-grow vegetable that is a great addition to any garden. Its mild onion-like flavor and nutritional value make it a popular choice for many dishes, especially soups and stews. With proper care and attention, you can enjoy a bountiful harvest of this tasty vegetable for months to come.

Facts about Garden Leeks

Here are some additional facts and tips about Garden Leek:

  1. History and origin: Garden Leek is believed to have originated in the Mediterranean region, where it has been cultivated for thousands of years. The ancient Greeks and Romans valued the plant for its medicinal properties and used it to treat various ailments.

  2. Nutritional value: Garden Leek is a nutrient-dense vegetable that is low in calories and high in fiber, vitamin K, vitamin C, and other important nutrients. It is also rich in antioxidants, which help to protect the body against oxidative stress and chronic diseases.

  3. Culinary uses: Garden Leek can be used in a variety of dishes, including soups, stews, quiches, omelets, and more. It can be sautéed, roasted, grilled, or boiled, and it pairs well with other vegetables, meats, and seafood.

  4. Health benefits: Garden Leek is not only delicious but also has several health benefits. It contains compounds that have anti-inflammatory and anti-cancer properties, and it can help to improve digestion, boost immunity, and reduce the risk of chronic diseases like heart disease, diabetes, and cancer.

  5. Pest and disease control: Garden Leek is susceptible to a few pests and diseases, including onion maggots, leaf miners, and rust. To control these pests, you can use organic insecticides, handpick the larvae, or cover the plants with row covers. To prevent diseases, make sure to practice crop rotation, avoid overhead watering, and keep the soil well-draining.

  6. Varieties: There are several varieties of Garden Leek, including 'American Flag,' 'Giant Musselburgh,' and 'Blue Solaise.' Each variety has its unique flavor, texture, and growth habit, so it's worth trying a few to see which one you like best.

In summary, Garden Leek is a flavorful and nutritious vegetable that is easy to grow and versatile in the kitchen. Whether you're a seasoned gardener or a beginner, adding Garden Leek to your garden is a great way to enjoy fresh, healthy produce all year round.

And some more facts...

  1. Companion planting: Garden Leek is an excellent companion plant for many vegetables and herbs, including carrots, celery, parsley, and thyme. It can help to repel pests like carrot flies and can also improve the flavor and growth of neighboring plants.

  2. Seed saving: If you want to save Garden Leek seeds for planting in the future, you can let the plants flower and produce seed heads. The seed heads should be left on the plant until they turn brown and dry out. You can then collect the seeds and store them in a cool, dry place until you're ready to plant them.

  3. Culinary alternatives: If you don't have access to Garden Leek, there are several alternatives you can use in your cooking. Green onions, shallots, and chives all have a similar flavor profile and can be used in place of Garden Leek in many recipes.

  4. Sustainable practices: Growing Garden Leek using sustainable practices can help to reduce your environmental impact and support biodiversity in your garden. Consider using organic fertilizers, composting, and practicing crop rotation to maintain healthy soil and reduce the use of harmful chemicals.

In conclusion, Garden Leek is a valuable addition to any garden, both for its culinary uses and nutritional benefits. With proper care and attention, you can enjoy a bountiful harvest of this delicious and versatile vegetable. Whether you're a beginner or an experienced gardener, growing Garden Leek is a rewarding and enjoyable experience that can help to improve your health and well-being.

Distribution Map

Reproduced by kind permission of the BSBI.

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