Turnips are a form of Brassica rapa, the same species as bok choy and Chinese cabbage. Depending on your USDA hardiness zone, plant seeds in late winter/early spring for a spring crop or in the ...

Napa cabbage, from the Brassica rapa family rather than Brassica oleracea family, is also called Chinese cabbage. Even more ...

In brassica crops grown for seed, the possibility of cross-pollination with crop species is also a problem. Because it belongs to the same family as other brassica crops such as cabbages, turnips and ...

Axel Touw, Jessil Pajar, Nicole van Dam and colleagues found that nearly 1.5 times more adult cabbage root flies (Delia radicum) emerged from field mustard (Brassica rapa) plants infected with ...