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Growing Leeks

Jan F M A M J J A S O N Dec
  S S P P P            

(Best months for growing Leeks in USA - Zone 5a regions)

S = Plant undercover in seed trays P = Sow seed

  • Easy to grow. Grow in seed trays, and plant out in 4-6 weeks. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 46°F and 86°F. (Show °C/cm)
  • Space plants: 4 - 8 inches apart
  • Harvest in 15-18 weeks. Loosen with a fork rather than pull by hand..
  • Compatible with (can grow beside): Carrots

Your comments and tips

03 Sep 15, Denis Hopking (Australia - sub-tropical climate)
How do I keep bandicoots out of my garlic and leek patch?
16 Feb 15, rod smith (Australia - temperate climate)
if i prune leeks back will they regrow or if i plant the bulb will i get more leeks
06 Apr 15, Pete (Australia - temperate climate)
If you cut the leek about 25mm or so above the roots (leaving the bulb bit) it can be replanted. Haven't tried it myself but a few people have said it works.
27 Nov 14, Lee (Australia - temperate climate)
How can I tell when my leeks are ready to harvest? Most have pods which haven't opened as yet.
10 Aug 15, Brianna Mckenzie (Australia - sub-tropical climate)
Most leeks mature 100 to 120 days after sowing the seeds, but a few varieties mature in as few as 60 days. Begin the harvest when the stalks are about an inch across. Depending upon your climate, you could be harvesting leek plants from late summer until early spring. Picking leek plants that mature at different times of the year lets you extend the harvest.
10 Sep 14, Glenn (Australia - temperate climate)
Which variety of leek are perennial?
18 Oct 14, Chris (Australia - temperate climate)
Any type which produces offsets (baby plants growing off the base of the stem) potentially perennial. You leave or transplant any offsets when you harvest the main plant. Allium ampeloprasum var. ampeloprasum is a perennial or multiplying variety.
12 Jun 14, (USA - Zone 8a climate)
13 Jun 14, Andrew (Australia - temperate climate)
It means to exclude light from the stem. That is what creates the white, tightly packed section of the leek, which is the bit we like to cook with. There are two main ways to achieve this: 1. As the plant grows, pack soil around the stem; or 2. Plant seeds or seedlings in a trench (about 10cm deep) and as the plant grows fill in the trench. Hope this helps.
05 May 14, Amith (Australia - temperate climate)
I tried sawing the seeds in trays, but no seedlings emerged, even after 3 weeks. I tried many times, but none was a success. Not sure what I am doing wrong. I live in Melbourne, and I have raised beds, prepared with good potting mix.
Showing 21 - 30 of 96 comments

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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