Fast-growing radishes tend to mature all at the same time, so sow small amounts every 2-3 weeks from early spring to late summer for a continuous crop. Rake your soil to remove any stones and lumps and create a shallow trench ½ in (1 cm) deep with a cane. Sow seed thinly at 1 in (2.5 cm) intervals along the row to reduce the need for thinning later; cover them with soil and water well. Space rows 6 in (15 cm) apart. Make summer sowings in light shade to help stop plants running to seed (bolting). Radishes can also be sown in large pots, with seeds spaced at 1 in (2.5 cm) intervals.
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