Double Retted Flax on Mallon Farm

While this year's crop of flax is around halfway through its growing period, we are still busy with retting last year's crop.  Retting is the process of breaking down the flax to separate the fibre from the outer layers. This can be done by spreading the flax over the fields to be retted by the dew or by submerging the flax in water. We have experimented with both techniques and found that tank retting is better suited to our climate here in Ireland. We use only rain and spring water and a recycled cheese vat as a retting tank. This ensures that none of the retting water goes directly into rivers, which was a problem in the past. Instead we spread it over the fields using a slurry tanker as it is a wonderful fertiliser.
A spinner has been testing some of last year’s fibre for us. The tests have shown that there were still some pieces of the outer layers attached, meaning it was under retted. The good thing about under retting is that it can be addressed by putting the flax through this stage for a second time. We discovered that double retting was actually a recognised technique employed to give a high quality of fibre. It is a much longer, gentle process involving a lot of work as the flax needs to be retted, removed and dried for months before being retted all over again. It's important that it doesn't become over retted, which would weaken the fibres and ruin the crop.
We've had to monitor it carefully, removing the flax twice a day to check the progress. What we are looking for is fibre that comes away easily from the outer core. 
And when it's ready it's vital to act quickly. We've been told stories about flax being removed from retting dams in the middle of the night to ensure it is at the perfect stage. We've also been told plenty of stories about the smell of retted lingers in the memory nearly as long as it lingers on the clothes and hands of the people working with it!
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