1911 Encyclopædia Britannica/Skirret

SKIRRET, known botanically as Sium Sisarum (natural order Umbelliferae) , a fleshy-rooted perennial, the roots of which are boiled, and afterwards served up like salsify. It requires a free, deep and much enriched soil, and is generally raised from seeds, which should be sown in drills a foot apart about the end of March, the bed being well-watered in dry weather. The roots will be in use about November, and will continue fresh through the winter if carefully stored.