Broad Leaf is a variety of Mustard plant which is a member of the Mustard family. Its botanical name is Brassica juncea 'Broad Leaf'. An annual, so it will last but a year in its native climate.
Broad Leaf Mustard plant is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!
This variety plant info is provided by the myfolia gardener's wiki. All details about Broad Leaf have been kindly provided by our members.