Cauliflower 39all the year round39 is so named because unlike most varieties of cauliflower it can be sown and harvested in succession in the spring summer and autumn the hardy biennial produces a fantastic crop of dwarf vegetables which have tight white heads surrounded by green leaves brassica oleracea should be planted in vegetable gardens alongside mint which deters flea beetles if cabbage white butterflies prove to be a problem try adding nasturtiums to the bed to drive them