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Leek in the GardenTags plant encyclopedia

Allium porrum

 

Leek

Leeks are, strictly speaking, perennials, but they are grown as annuals. They are grown for their mild onion flavoured white "stems" (bundles of leaf-sheaths which are frequently incorrectly referred to as stems).

Contributed by @ksanges78

 
plant Features
  • Leek likes full sun to partial shade

    Full sun to partial shade

  • Leek likes occasional watering

    Occasional watering

  • Leek is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Leek likes free draining and fertile

    Free draining and fertile

 
plant information

Common name

Leek

Latin name

Allium porrum

type

Vegetable

family

Amaryllidaceae

ph

5.2 - 8.3 Acid - Neutral

  • Light

    Leek likes full sun to partial shade

    Full sun to partial shade

  • Frost

    Leek is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    Leek likes free draining and fertile

    Free draining and fertile

  • Water

    Leek likes occasional watering

    Occasional watering

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When to harvest

full grown dimensions

The size of a fully grown Leek is 0.30meters x 0.70meters 0.30 M 0.70 M

Allium porrum

Leeks are, strictly speaking, perennials, but they are grown as annuals. They are grown for their mild onion flavoured white "stems" (bundles of leaf-sheaths which are frequently incorrectly referred to as stems).


Propagating by seed

From Mid Winter TO Late Winter

Sow seeds in a tray in the greenhouse, spacing them 1" apart, and covering the seeds lightly with compost. The seedlings should then be hardened off when they get to about 6" - 8" high

 

Plant outdoors

From Early Spring TO Early Summer

Plant out seedlings into a bed where the soil has been enriched by a previous crop, or by Winter manuring, when the plants are 6" - 8" high. Make holes with a dibber about 6" deep, and at a spacing of 9", with 15" between rows. Snip off the top 1/4 of the plant with scissors, and drop one plant into each hole, but do not cover with soil. Fill each hole with water, which will wash some soil over the roots - sufficient to set the plants in the holes, and, over time, the hole will gradually fill with soil as a result of rainfall.

 
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