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Electra Leek - Allium porrum

Allium porrum Electra
Leek

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Disastrous germination! After a month, only around 20 seeds from the entire packet have sprouted :-(

Daniel, 02/04/2023

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More information

A variety that produces a large, fairly short sheath and long, bluish-green leaves, tender for consumption. It is a semi-early leek with rapid growth. You can sow it from February to May and harvest from July to December.
Ease of cultivation
Beginner
Height at maturity
70 cm
Spread at maturity
20 cm
Soil moisture
Moist soil
Germination time (days)
20 days
Sowing method
Direct sowing, Sowing under cover
Sowing period February to May
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Harvest time July to December
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Description

The Electra Leek is a variety that produces a fairly short, thick stem and long, tender bluish-green leaves for consumption. It is a semi-early leek with rapid growth that can be harvested as early as the end of summer or in autumn.  Its good taste makes it ideal for quiches or salad dressings. Moreover, Electra freezes very well.
You can sow it from February to May and harvest from July to December.

The leek or Allium porrum is a biennial herbaceous plant belonging to the Alliaceae family. Native to Central Asia, it was already known to the Egyptians 1500 years ago. Its foliage was then long and very thin. The Romans also appreciated it. Its appearance then resembled that of its cousin the onion with a very slender shaft and a well-rounded bulb. It is also known that in the Middle Ages, it had already been introduced throughout Europe.

The leek has long blue-green or dark green leaves that are wide and sheathing, forming together what is called the shaft, that is, the white part that resembles a stem. This shaft is the most sought-after part. White, its taste is very fine and corresponds to the buried part that has not benefited from light. At the end of the second year, it produces a stem topped with a spherical mauve umbel the size of a tennis ball, which has become the emblem of Wales.

This very hardy vegetable, some winter varieties can withstand temperatures to -15 (-4°F), can be sown for most of the year (February to August). Considered a winter vegetable, it can be harvested almost all year round. Leeks are rich in dietary fiber, which aids digestion. They are also rich in vitamins C and B, and in sulphur compounds with antioxidant properties. It is also reputed, like onions, to lower cholesterol levels in the blood, among other benefits.

It is good for health but also from a taste point of view: its flavour is halfway between that of an onion and an asparagus, which has led to one of its nicknames, the 'poor man's asparagus'. It is primarily the white shaft and the rootlets that are consumed. It is used in the preparation of many local dishes around the world. It is a key element of the traditional pot-au-feu, but it is also consumed in soups, quiches, cold in vinaigrettes, or even finely sliced raw in salads, etc. The Japanese are particularly fond of it: it can be found in many recipes such as sushi and sashimi or delicious sesame leeks.

Harvesting: Pick your leeks as required. Harvesting usually takes place between 5 and 8 months after sowing. Gently pull on the leek to avoid injuring or damaging the shaft. If you encounter difficulties in this operation, use a small spade a few centimeters from the desired leek and lever it out more easily.

Storage: You can store leeks for two weeks in the vegetable drawer of your refrigerator. They can be stored for almost 3 months in the freezer. Bag them after blanching them for a few minutes, rinsing them under cold water, and then carefully drying them.

The gardener's trick: associate leeks with carrots. The carrot fly dislikes leeks, and the leek fly does not fancy carrots!  Tomatoes, lettuces, and strawberries are also good companion plants for leeks, but leeks dislike the presence of onions, as well as beets and beans.

To know if a leek needs to be watered, just observe its foliage: if it stands tall, everything is fine, it is not thirsty. If its foliage wilts and leans to the side, it probably needs a drink of water.

Harvest

Harvest time July to December
Type of vegetable Leaf vegetable
Vegetable colour green
Size of vegetable Medium
Interest Flavour, Nutritional value, Colour, Productive
Use Cooking

Plant habit

Height at maturity 70 cm
Spread at maturity 20 cm
Growth rate slow

Foliage

Foliage persistence Deciduous
Foliage colour blue
Aromatic? Fragrant foliage when creased

Botanical data

Genus

Allium

Species

porrum

Cultivar

Electra

Family

Alliaceae

Other common names

Leek

Origin

Central Asia

Annual / Perennial

Biennial

Product reference21101

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Planting and care

Leeks are considered winter vegetables. This is partly true, however there are a number of summer leeks. The leek's growth cycle is quite long and occurs in several phases.

Soil preparation: Leeks appreciate rich and deep soils that are highly enriched with organic matter. However, be careful as the soil must have been enriched several months in advance, as our vegetable fears recent amendments. It is best to choose a sunny location in a generally cool soil that you have previously loosened.

Sowing: Dig a furrow 2 cm (1in) deep and sow a small amount of seeds at a rate of one to two seeds every centimeter. Close the furrow with a special sowing soil and lightly compress with a rake. This operation is carried out from February to May undercover, depending on the climate (greenhouse, tunnel, etc.). Germination will take between fifteen days and three weeks. Once the plant has reached about 15 cm in height and the thickness of a pencil, it is now time to transplant. Before doing so, gently uproot the young plants and let them dry out on the ground in the shade for two days. This operation aims to remove the leek's scent and thus avoid attacks from the onion fly.

Transplanting: Before transplanting, it is necessary to trim the leek. 'Trimming' means cutting the roots 2 to 3 cm (1in) below the bulb and at the same time cutting the young leaves a few cm above the stem. The objective is twofold: removing the roots allows for better rooting by stimulating it, and cutting the leaves prevents excessive evaporation.
Then, prepare holes about 15 cm deep spaced 15 to 20 cm (6 to 8in) in all directions. Insert your young plants into them. The white part must be completely buried. Water generously with a watering can to close the holes around the leek stems. They need a nitrogen-rich soil. You can also place freshly mown grass between the rows. After a period ranging from fifteen days to a month, the plants grow and strengthen. It is then necessary to earth them up to keep the stems as much as possible protected from light so that they remain white and tender.

Overwintering: There are summer varieties and winter varieties depending on their hardiness and the period in which leeks should be sown. Sowing is done in autumn to be harvested in spring. This means that some of them will spend the winter outside. In regions with harsh winters, it is sometimes necessary to consider overwintering leeks, which means gathering them in a sheltered place away from the wind and planting them obliquely before transplanting them again in spring.

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Seedlings

Sowing period February to May
Sowing method Direct sowing, Sowing under cover
Germination time (days) 20 days

Care

Soil moisture Tolerant
Disease resistance Very good
Pruning No pruning necessary

Intended location

Type of use Vegetable garden
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Soil Damp, well-drained, and rich in organic matter
Exposure Sun, Partial shade
Soil pH Any
Soil type Silty-loamy (rich and light), 130
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