Radish – Watermelon Radish (30-40 seeds)

Raphanus sativus – Watermelon Radish

• Growing Temp 55°F – 75°F

• Days to Maturity 55-65 days

Ease of Cultivation and unique flavor: Watermelon Radish is a striking heirloom radish variety prized for its pale green-white exterior and vibrant pink interior. Known for its mild, slightly sweet flavor with a gentle peppery bite, it is both visually impressive and easy to grow. This cool-season root vegetable performs well in spring and fall gardens and is ideal for fresh salads, roasting, pickling, or adding dramatic color to vegetable platters. Its crisp texture and unique appearance make it a favorite among gardeners and chefs alike.

Direct Sowing:For direct sowing, plant Watermelon Radish seeds outdoors in early spring or late summer when temperatures are cooler. Sow the seeds about ½ inch deep and 1-2 inches apart in rows spaced 12-18 inches apart. Germination typically occurs within 5-10 days. Keep the soil consistently moist during germination and early growth. Once seedlings are established, thin them to 4-6 inches apart to allow roots to properly size and develop their signature round shape.

Early Sowing for Seedlings:For an earlier harvest, seeds may be started indoors 3-4 weeks before the last expected frost using seedling trays filled with quality potting mix. Sow 1-2 seeds per cell and maintain temperatures between 60-75°F for optimal germination. Because radishes develop taproots quickly, transplant seedlings carefully before roots become restricted. After the danger of frost has passed, transplant into the garden with spacing of 4-6 inches between plants and 12-18 inches between rows. Water thoroughly after transplanting and apply mulch to help retain moisture and reduce weed competition.

Harvesting:Watermelon Radishes are typically ready to harvest 55-65 days after sowing. Harvest roots when they reach approximately 3-4 inches in diameter for the best flavor and texture. Gently loosen the soil and pull the radishes carefully to avoid cracking or damage. For peak sweetness and crispness, avoid leaving them in the ground too long, especially during warm weather, as older roots may become woody or overly spicy. Freshly harvested Watermelon Radishes store well in cool conditions and maintain excellent color and texture for weeks.