Johnsons\' Cauliflower Cheesy F1 Seeds produce cauliflowers with dense white heads and large frames, which helps to protect them from the cold weather. The plants stand well in the ground, remaining in good condition until harvested and have a good tolerance to cold weather, for cropping into the winter.Sow indoors between March and May or outdoors between May and June ready to harvest between September and December. Average pack contains 50 seeds. Warning:Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use.