Johnsons\' Carrot Flyaway F1 Seeds are an incredibly popular variety, specially bred to deter carrot root fly. They have long tapering roots with a small central core. A winner of the prestigious RHS Award of Garden Merit.. Sow outdoors between March and July ready to harvest between June and October. Average pack contains 500 seeds. Warning: Seeds should not be eaten. Store out of reach of children and pets. Always read the instructions before use. Johnsons Carrot Flyaway F1 Seeds