Soil
Almost any soil with good drainage.
Position
Full sun to partial afternoon shade.
Frost tolerant
No.
Feeding
Not required.
Companions
Nasturtium, Lettuce and Peas.
Spacing
Single Plants: 3″ (10cm) each way (minimum)
Rows: 3″ (10cm) with 7″ (20cm) row gap (minimum)
Sow and Plant
Sow seeds directly in the bed or row, one-half inch deep and 1 inch apart. Thin to proper spacing when the seedlings are 1 week old.
Notes
Use radishes to mark divisions between sowings of salad greens or other spring vegetables.
Harvesting
Harvest round radishes when the roots are the size of a quarter. Young radishes have the best flavor, so pull them promptly.
Troubleshooting
Flea beetles often make small holes in leaves, but do not merit control.