January King cabbage (Brassica oleracea var. sabauda,Catalogue commun des variétés des espèces de légumes, Journal officiel des Communautés européennes, 31.12.80, N°C 343/66, p. 66 'January King') is a cultivarFAO, Expert Consultation on Nutrition Indicators for Biodiversity - 2. Food consumption, Rome 2010, p. 5-6-7[13-14-15] with intermediate morphology between Savoy cabbage and white cabbage.W.A. Brandenburg, C.D. Brickell, F. Schneider, Crop identifications of some brassica oleracea cultivars (J. Higgins, T.H. Sparks, J.L. Evans, J.R. Law), in International Symposium on Taxonomy of Cultivated Plants, 1986 It is known as chou de Milan de Pontoise in France.Plant Inventory No. 167, United States of agriculture, 1966, 261769. Col. No. D-134, p. 292
'January King' cabbage is a winter vegetable which has been cultivated in England since 1867.Caroline Foley, How to Plant Your Allotment, New Holland Publishers, 2007, p.116 It has blue green leaves blushed with purple or red, and its small heads weigh .
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