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.
You can leave the rest of the cabbage plant and harvest a later batch of cabbage sprouts, which will be 2 to 4 inches (5.1 to 10.2 cm) in diameter. Cabbage heads can be placed in the refrigerator for up to 2 weeks if covered loosely with a plastic bag.