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.
Harvesting Your Cabbage. About 8 to 10 weeks after planting, your cabbage will be ready to pick. (It may take a little longer if planted in the fall in the far southern states.) You can harvest your cabbage anytime after the head has formed. Sometimes the cabbage head looks ready but isnât. Squeeze the head to see.