The Main Plant entry for Leeks (Allium ampeloprasum)

This database entry exists to show plant data and photos that apply generically to all Leeks.

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Flowers: Showy
Flower Color: White
Flower Time: Summer
Underground structures: Bulb
Uses: Vegetable
Dynamic Accumulator: K (Potassium)
Ca (Calcium)
Na (Sodium)
Pollinators: Bees
Various insects
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Leek
  • Bluegreen Winter
  • Blaugruener Winter
  • Blau Gruener Winter
Matching plants under this entry
  • Allium ampeloprasum
  • Allium ampeloprasum subsp. porrum

Photo Gallery
Location: Kew Gardens
Date: 2017-10-10
Location: Hortus Camera Lapidea
Date: 2011-07-27
Location: Kew Gardens
Date: 2017-10-10
Location: Kyle, TX
Date: 2022-04-22
So pretty and easy

Date: 2015-08-08
store bought Leek, got this strange bloom...
Location: Cordoba, Argentina
Location: Hortus Camera Lapidea
Date: 2013-10-26
Location: Hortus Camera Lapidea
Date: 2014-07-24
Location: Kew Gardens
Date: 2017-10-10
Location: Southern Pines, NC
Date: May 7, 2023
Wildlike Leek #440 RAB p. 314, 41-35-4; LHB p. 245, 35-2-10, 11;
Location: My garden, Middle Tennessee
Date: 2011-10-20
Container-grown leeks
Photo by SongofJoy
Location: Cordoba, Argentina

Wikipedia
Location: Heathcote Ontario Canada
Date: 2001-23-07
Allium porrum  second year blooms

Date: 2012-12-27
Photo by SongofJoy

Date: 2013-02-21
This plant is tagged in:
Image Image

Comments:
  • Posted by kreemoweet (Seattle, WA - Zone 9a) on Dec 14, 2022 11:59 PM concerning plant:
    Leeks vary quite a bit in their tolerance to freezing. I have had large leek plantings turned to slimy mush by temperatures of around 20 degrees F.

    There is a brief period (sometimes a matter of a few days) when the developing flower stalk inside a bolting leek plant is a real culinary treat: tender, mild, and sweet. Soon after, the stalk becomes too tough and fibrous to enjoy.
  • Posted by SongofJoy (Clarksville, TN - Zone 6b) on Oct 21, 2011 5:09 AM concerning plant:
    Leeks can be harvested young when about the thickness of a pencil and used in a similar manner as green onions.

    The most common leek cultivars are “summer leeks” which are intended for harvest in the season when planted. Overwintering leeks are meant to be harvested in the spring of the year following planting. Summer leek types are generally smaller than overwintering types while overwintering types are generally more strongly flavored.

    Once established in the garden, leeks are hardy and many varieties can be left in the ground during the winter to be harvested as needed.
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