Practical tips for growing and harvesting leeks in your garden

By Hervé , on July 27, 2021 , updated on April 21, 2023 - 6 minutes to read
Leek (Allium porrum)

How to grow leek transplants?

Mulching also helps to keep the soil cool. The first furrow is made when the transplanted leeks have regenerated well. The soil in the furrows forms a ridge about 10 cm high, the buried part is then about 15 cm high.

How to get more white leeks?

To keep the soil around the leeks moist, mulch them generously. An occasional watering with nettle manure (diluted to 20 %) will do them good. After a few weeks, the leeks will have grown. Remove the mulch and fill the furrow with the surrounding soil.

What natural fertilizer for leeks?

Types of natural fertilizers recommended for leeks Well-decomposed compost is preferable to manure, which may be too fresh. Heather horn is an organic fertilizer with a high nitrogen content and a very long shelf life, well suited to the needs of leeks.

Why do you have to cut the roots of leeks?

The leek must be buried "deep", i.e. quite deep. In fact, the white part of the leek stem is the underground part and the green part is the aerial part. So the deeper it is in the ground, the more white it will be.

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What exposure for the pores?

Most plants can grow at temperatures down to 7°C, but some varieties can grow at temperatures up to 20°C from February to May and again in August.

Why don't the pores grow?

Ensure sufficient watering in hot weather, otherwise they will not grow. It is advisable to apply phosphorus-rich manure twice during the summer. However, fertilizing with too much nitrogen will result in too many leaves and shorter white growth.

How can you not have worms in your pores?

Spray with nettle manure. Instead of planting leeks in rows as usual, plant them in small groups among plants that repel moths: carrots, tomatoes, celery. Before transplanting or planting young leeks, dry them on newspaper for 3 to 4 days.

How to have beautiful pores?

Dress the leeks by cutting off the roots so that about 3 cm remain. Also cut off the leaves a few centimetres above the stem. Soak the leek roots in a slurry made from a mixture of mason's compost, soil (equal parts) and water. Transplant one leek into each hole.

When should leeks be harvested?

A distinction is made between summer seasons, which are sown in the spring, transplanted in May and harvested from July to September, and winter seasons, which are sown in the spring, transplanted from May to July and harvested throughout the winter as needed, from October to April.

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When to harvest leeks in Quebec?

August 15 to September 10. June 25 to July 10 Some early leek producers harvest the whole plant when it is fully mature.

When to harvest leeks for winter?

In any case, the best time to plant them is from the end of June to the end of July, or even August, depending on the region. This will give you a harvest that will last all winter, from November to April.

Why are generals nicknamed "leeks"?

The term "Poireau" also refers to a general in French army jargon, as he has a white head but is always green.

To which family does the leek belong?

Is the leek a vegetable?

The ideal vegetable for eliminating potassium The potassium content of leeks is very high, while the sodium content is very low: this gives them their natural diuretic properties.

What is the best leek?

Interesting leek varieties: " 'Bleu de Solaise': Hardy, sown in February-May, harvested in winter. " 'Gros Long d'Été': fairly sensitive to cold, sown in spring-summer for a summer harvest. " 'Monstrueux de Carentan': Very good, sown in February-May for a summer-winter harvest.

When you plant your leek plants in the ground, it is important to remove some of the roots so that the vegetable develops properly. Indeed, if the roots are not cut at their base, they may form a compact ball around the bulb which will prevent it from developing properly. Moreover, this can favour the appearance of diseases such as collar rot or attract parasites such as cutworms. It is therefore recommended to use a sharp knife to gently cut about 2/3 of the roots before planting in the ground.

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