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If you are looking to grow giant exhibition leek seeds then you usually have a choice of two different forms. Blanch leeks and pot leeks.

Growing giant leeks
Growing giant leeks is still a highly competitive game and as such the secrets to achieving these massive sizes is often a closely guarded secret. However, many growers will sow their seed in December in 3-4 inch pots using a good quality compost such as John Innes.

After a few weeks they can be potted on into 1 litre pots containing John Innes 'No 2' with perlite or vermiculite added for extra drainage.

This production is carried out  under the protection of a heated greenhouse or polytunnel and given approximately 10 hours a day of supplemental lighting until late February. Of course this can also be achieved in a cool bright room in the house or conservatory.

Maintain an average temperature of approximately 10-12 degrees Celsius but try to avoid going over 14 degrees Celsius with pot leeks as they will grow too long.

Pot on giant leeks every 3 weeks using fresh compost until they are in a 3 litre pot. Once the threat of late frosts have passed they can be hardened off and planted out in their final positions at the end of May.

For related articles click onto the following links:
How to Grow Giant Pot Leeks

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