Watermelon radish

Watermelon radish is a ball-shaped, gently sweet, and less peppery winter radish that features white skin and a bright pink interior reminiscent of a watermelon.

Days to maturity

• 60 days

Sun Exposure

• Full sun in spring/fall and partial/full shade in summer

Soil pH

• 5.8 to 6.8

Hardiness Zones

• Zones 2 to 9 (shade cloth may be needed in higher zones)

Spacing

• Plants: 1 inch apart
• Rows: 6 to 8 inches apart

Moisture

• 1 inch per week

Notes

• Plant in mid-summer to harvest in the fall, they will sweeten as temperatures drop
• Harvest when 2 to 4 inches in diameter
• Don’t add nitrogen to soil or you’ll end up with big tops and small bulbs
• Germinate in soil that is 65 to 85 degrees F

Have you ever grown Watermelon radishes? Please tell us about your experiences.