Raphanus sativus. Daikon radishes are large and require deeply prepared soil, as they can grow to over 30cm long. One of the best daikon radishes for summer, Minowase Summer Cross have white roots that are 15-20 inches long and 2.5″ in diameter. The pure white flesh is excellent for salads, sandwiches, cooking, and pickling. Flavour is milder when grown to maturity in fall, in light soil, and with good irrigation.
Sow and grow as you would turnips, thinning them to 15-20cm apart. At each cultivation, push the soil over the top of the root.
How To Grow, Timing: Radishes can be grown all season but they’re easiest when sown just after the last frost date and again at the end of summer and into the fall. Optimal soil temperature: 18-24°C. Seeds should sprout in 5-7 days.
How To Grow, Starting: Sow seeds 5mm deep, 25 seeds per 30cm in rows spaced 30-45cm apart, and thin to 6-12 plants per 30cm.
How To Grow, Growing: Ideal pH: 6.0-6.8. Radishes are moderate to heavy feeders. Best in rich, loamy soil amended with composted manure. Add 1 cup of complete organic fertilizer for every 3m of row for background fertility. Lime beds the previous fall. The real secret to growing this little vegetable is speed. Sow a short row frequently, thin them quickly, keep them watered, eat them quickly, and sow some more.
How To Grow, Harvest: Harvest promptly when radishes are the size of large marbles. The leaves and developing seedpods are also tasty.
50 Days.
Approx: 40 Seeds.

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