As vegetables are the fully developed, bleached petioles used.
Plant bleaching begins in September. For this purpose, the leaf tufts are loosely tied together and depending on the length of the petiole 1 to 1,5 m high surrounded with wrapping paper.
In order to achieve better stability, is piled up with earth. Bleaching takes about 3 weeks to complete. Ready bleached plants rot very easily, so that only so many plants are bleached at a time, how to use in a short time. Unused plants should be removed from the soil before the onset of frost and, without tying them first, to pound in the sand in the basement. There they stay and give a good winter vegetable. The bleached stems are peeled or. peeled and prepared similarly to asparagus.