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Watermelon Radish

Photos are representative and may not match your specific variety.

Watermelon Radish

Root vegetable

Lathyrus odoratus

  • Full sun
  • Zones 2–11
  • 90 days to maturity
  • Vegetables
  • 4" spacing
  • High water
  • Annual
  • pH 6–7
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  • Overview

    Watermelon Radish is a visually striking heirloom root vegetable with a pale green exterior and distinctive pink-red flesh with white striations, resembling watermelon. Maturing in 90 days, this Japanese variety produces crisp, tender roots ideal for both fresh eating and cooking. The flesh offers a mild, sweet flavor with a subtle peppery finish and pleasant crispness that adds visual appeal and refreshing crunch to salads, slaws, and garnishes. This easy-to-grow variety thrives in deep, well-drained loam with full sun exposure.

  • Planting

    Direct sow seeds 1/2 inch deep in late summer for fall harvest, 10-12 weeks before hard frost. Can also plant in early spring.

  • Growing

    Sun: full. Water: high. Soil pH: 6–7. Space plants 4" apart. Germination: 4-7.

  • Pests & diseases

    Common pests: Flea beetles, cabbage root maggots, aphids. Common diseases: Clubroot, black rot, white rust.