What is 'Covariance'. Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
23 September 2016. The heaviest red cabbage weighs 23.2 kg (51.15 lb) and was grown by David Thomas (UK), as verified at the UK National Giant Vegetables Championship in Malvern, UK, on 23 September 2016. David also holds the current record for Heaviest parsnip and Heaviest cucumber.
Commonly Grown Heirloom Cabbage Varieties. Cabbages that form heads: Brassica oleracea var. capitata L. American truck farmers usually divide this into the Wakefield group, cabbages with pointed heads, and the Copenhagen group, cabbages that form heads in the shape of round balls.