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 get seed from a head of cabbage if you grow it yourself. It is a biennial vegetable so it will grow the head the first year and if you leave it in the ground over the winter it will sprout seed heads the next year. You can buy seeds to plant or you can also find seedlings to transplant at garden centers.