Successful cultivation of leeks

Successful cultivation of leeks

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Growing leeks, from sowing to harvest, is easy and can be done in any season.

In summary, what you need to know:

Last name : Allium porrum
Family : Alliaceae
Type : Vegetable

Height : 40 to 60 cm
Exposure : Sunny
Ground : Light, drained

Harvest : Summer, fall and winter

  • Treatment : leek leaf miner
  • Cooked : recipes with leek
  • Health: benefits and virtues of leek

Here are our tips for cultivating your leeks well and ensuring them good growth throughout the seasons.

Sowing and planting leeks

The sowing period of leek spreads more or less mid-January to mid-September.

No need to sow the leek in the ground before the soil is at least at 12 °.

1- Harvest in spring

Sow leeks in late summer or fall.

  • Thinning regularly in order to always give the more vigorous plants room to develop.
  • If you have done your seedlings in a bucket, transplant during October or November at the latest.

2- Harvest in summer

To harvest leeks in summer, sow in winter.

  • Sowing under shelter from January in a mild climate to February-March elsewhere.
  • Thin as soon as they emerge and multiply the operation as many times as necessary so that the leeks still have room to develop.
  • Plant from April to June.

3- Harvest in the fall

It's here ideal period to cultivate leeks because the temperatures allow an outdoor cultivation.

  • Sowing in nursery or under cover from March to May.
  • Thin as soon as it emerges and then as many times as necessary for the leeks to have room to develop.
  • When the plants have reached 1/2 cm in diameter, we put in the ground by slightly cutting the leaves and roots, this improves recovery.
  • In soil, keep a distance of 10-15 cm between each leek and 25-30 cm between the rows.
  • >> More advice in video >>

Cultivation and care of leeks

Growing leeks is very accessible but here is how to have a good harvest and avoid diseases.

The ridging of leeks:

In order to promote the blanching of leeks, it is important to butter the foot regularly. This is an important step in the cultivation of leeks because it is the underground part that will give the white leeks.

  • The ridging of leeks consists of bringing the soil back to the foot of the leek in order to create a slight hill.
  • It's here underground part that remains white so the more they are buried, the more important this part will be.

Watering the leeks:

Leeks only need water in prolonged drought or hot weather. You should therefore avoid overwatering.

  • Normal rainfall should meet the water requirements.
  • Water in case of high heat and / or prolonged drought.
  • Mulch the foot leeks.

>> Cultivation of leeks in video >>

Leek diseases

Leeks are subject to certain diseases and should be treated as a preventive measure.

Space the crops and hoe the soil regularly to suppress weeds and allow rainwater to drain well into the soil.

  • Mildew : Yellow then brown spots form on the leaves
  • Powdery mildew : A white felt forms on the leaves
  • Aphids : the curl leaves on themselves
  • The leek worm : There are effective treatments sold commercially but we can fight preventively with the nettle manure in regular spraying
  • The leek leafminer

Vegetables to grow with leeks

Here are the good associations and the enemies of leeks in the vegetable garden.

  • Vegetables to be grown near the leek.

The carrot, the celery, the strawberries tree, theonion, the tomato, the lettuce, the chewed upor theasparagus

  • Vegetables to keep away from the leek:

The beans, thechard, cabbage or evenpeas

In the kitchen it's a whole different story and the combination of these vegetables can be a success.

  • Vegetables to plant AFTER the leeks:

The carrot, thecucumbers, thecoriander, thesquash, thebeans, theturnips, theradish or the tomatoes

Species and varieties of leeks

Whatever the variety of leek chosen, it retains its benefits and virtues for health.

Interesting leek varieties:

  • "Bleu de Solaise" : Hardy, sowing February-May, harvesting winter.
  • "Big summer long" : rather sensitive to cold, it is sown in spring-summer for a summer harvest.
  • "Monstrous of Carentan" : Very good, it is sown in February-May for a summer to winter harvest.
  • "Monstrous of Elbeuf" : the largest of the leeks, it is sown in February, for a summer-fall harvest.

But you will also find:

  • "Very long winter in Paris" : ideal as a winter leek
  • "Maxim" : it is harvested in summer and in autumn.
  • "Carlton F1" : Fast growing, it can be sown directly in place.

Most species very resistant to cold and will allow you to harvest this vegetable throughout the winter, as you wish.

  • Leeks Long of Mézières and Solaize blue very resistant to cold.

All you need to know about leek

Originally from the Mediterranean basin, the leek is now cultivated almost everywhere in the world.

Appreciated for its taste and its interest in cooking, leeks have also long been known for their numerousbenefits and virtues.

Rich in vitamins C and E, fibers and pro-vitamin A, leeks facilitate transit and prevent many diseases.

Leek is a low-calorie vegetable often recommended for diets, and which also participates in intestinal regulation.

Leeks can be eaten both raw and cooked, but most leek-based recipes favor cooked leeks.

Smart tip

Rich in fiber, leeks are excellent for facilitate digestion and also a very good supply of vitamins!

To read also on leek:

  • Heart stroke : leek pie recipe
  • Cooked : leek recipes
  • Health: health benefits and virtues of leeks

Video: Growing leeks from leeks: leek growing time lapse (August 2022).