Onion- Calcot

Onion- Calcot

Allium cepa

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• Spanish heirloom variety

Heirloom Spanish green onion variety with long white stem. Calcot onions take over a year to grow and are produced by using a specific growing technique. 10 months after planting seed harvest entire onions and store them in a cool dark place until Autumn when they begin to shoot again. Re-plant the shooting onions by lying the onions down in trenches and covering with dirt to just above the root. As the onions grow continue covering the onion stem with dirt. This extends the onion root and keeps it white in colour. Once 10-15cm of the onion root is covered leave them to fully develop and harvest entire onion once its about 25cm long. Traditionally these onions are cooked by grilling them whole (still covered with dirt) and peeling off the charcoal outer leaves leaving the mild and tender juicy onion stalk.

 

How to sow and grow:

Method:	Sow direct or raise seedlings
Sowing Depth:	5mm
When:	Autumn and winter
Germination:	7-10 days @ 20-25°C
Hardiness / Life Cycle:	Hardy Biennial (usually grown as an annual)
Row Spacing:	20cm
Plant Spacing:	10cm
Position:	Full sun, well drained soil
Days to Maturity/Flowering:	500 days

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