The Big Rainbow heirloom tomato is one of dozens- of large fruited yellow tomatoes with red swirls. They have a mild, sweet flavor. The Hillbilly tomato is another similar-coloured tomato.http://parkseed.com/tomato-big-rainbow/p/5430/
Big Rainbow tomatoes can be cultivated in the last month of summer.
History Big Rainbow tomato was first presented by Dorothy Beiswenger of Crookston in Seed Savers Exchange 1983, Minnesota. Commercially, Big Rainbow tomato was presented in 1990.
Cultivation This sort of tomato cannot stand cold and must be cultivated in warm conditions.
See also List of tomato cultivars
References