How to Grow a Spanish Black Radish

The black Spanish radish, a winter-variety with crisp white flesh and tender black skin, can grow to 4 inches in diameter. For best results, plant black Spanish radishes in early spring while the soil is still cold. They require light, airy soil and plenty of moisture and sunlight to grow and develop properly. With the right techniques, you can grow delicious and beautiful black Spanish radishes.

Rototiller or shovel
Compost or manure
Soil test kit
Lime or aluminum sulfate
Hoe
All-purpose fertilizer

Instructions

- 1
  Till the soil with a rototiller or loosen it with a shovel. Remove any rocks or roots and mix in enough compost or manure to lighten the soil.
- 2
  Test the soil with a soil test kit. Soil pH should be between 6 and 7, so add lime to raise the pH or aluminum sulfate to lower it. Work the amendments into the top 4 to 6 inches of soil.
- 3
  Use the hoe to dig rows 12 inches apart. Sow seeds 1/2 or 1/4 inch deep and 1/2 inch apart. Cover the seeds with soil and lightly sprinkle on a coat of all-purpose fertilizer and water after planting. The seeds will germinate within two weeks.
- 4
  Thin seedlings when they're 2 inches tall by spacing 2 or 3 inches apart. Handle the radishes carefully to avoid damaging the roots.

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