Charlock Mustard, Wild Mustard

One would think that this is a native plant. It seems to be in every field and every pasture in my region of California. It starts bloo...Read Moreming in January and peaks now (early May -- end of the rainy season). In fact, the height of the wild mustard is a good indication of the winter rainfall. This year is a good rainfall year and the mustard is 6 feet high in many places,

A hairy, leafy plant with many racemes of yellow flowers at the ends of almost leafless branches.

Found along roadsides, i...Read Moren fields and old lots throughout the temperate agricultural regions of North America, from southern Canada to Central America.

A native of Eurasia, it's seeds have been used for mustard, but table mustard comes mostly from Black Mustard...Brassica nigra.