Let's get the obvious out of the way first: Cherokee Purple tomatoes are a bit strange. They're a variety of beefsteak ...

There's a new superfood on the block - a genetically modified purple tomato, produced by scientists using snapdragon DNA. After 20 years of research, green thumbed folks in the US can get their ...

Some gardeners grow tomatoes in a rainbow of colours including red, yellow, orange, green and even burgundy. But purple? The United States Department of Agriculture (USDA) last month signed off on ...