Cabbage Tropic Giant lives up to its name with the absolute biggest heads of cabbage you will probably ever see, let alone grow! This is the one that wins prizes at shows bringing cries of astonishment from gardening friends. Fully one foot across and weighing around 15 pounds, these whopping heads are flattish and round, with pale green leaves well packed. Be sure to leave extra growing space between these plants, and fertilize well.
Cabbage is a cool-season crop, sown in early spring for early-summer harvest or in mid- to late summer for autumn harvest. Start indoors or direct-sow, spacing plants 2 to 2 1/2 feet apart. Before planting, prepare the soil well with fertilizer, and add a dose of ammonium nitrate about a month into the growth season. Harvest the heads when they are firm and brightly coloured. Plants may form smaller side-heads after the main head is harvested.