There is no difference between gaiwan and mustard greens, gaiwan is the common name for mustard greens.

Mustard greens, also called cover greens, are annual herbs with prickly hairs as well as frosted leaves, upright growing stems, yellow flowers in the spring of the year, fruiting in the summer, and globular fruits.You can grow mustard greens by sowing seeds and watering them every other week.

Mustard habits

Mustard in the growth process, the rhizome of the soil permeability requirements, so generally to choose sandy loose, and fertile soil. In the sowing before the need to observe the soil, preferably moist state, if the soil is dry, must be watered in advance, but pay attention to not too much at a time. At the time of sowing, you can sprinkle some fertilizer on the way, which will help the seeds absorb nutrients after germination, and it is best to put two seeds inside a pit, so you can avoid the phenomenon of empty pits.