These colourful looking cauliflowers have recently gone on sale on Tesco. They are part of plan to encourage children to eat more vegetables. The rainbow packs include purple, orange and emerald coloured cauliflowers which are much more attractive than the normal white variety. The cauliflowers are all naturally produced and have been crossed with other types of the brassica family to create the colours. They certainly look more interesting and would brighten up many recipes.