- The flavor of yellow mustard is much more mild than other mustard microgreen seed varieties with a strong brassica flavor with only a spectre of the spice that is present in other brassicas, such as wasabi mustard and arugula.
Yellow Mustard Microgreens Seeds. Non-GMO, Open Pollinated. Yellow Mustard Microgreens mature in 7 to 10 days, from seed to harvest. Grow as you would any other mustard seeds. You mustard microgreen seedlings grow uniformally with some of the stems donning a slight purple hue among the deep green of the cotyledons.