When to plant radishes in zone 4

Radishes in USDA zone 4

Average zone 4 frost dates: last spring frost ≈ May 10, first fall frost ≈ Sep 25 (138 frost-free days). Local dates can vary by 2-3 weeks.

Fastest crop: sow from 4-6 weeks before the last frost and every 1-2 weeks in cool weather.

FAQ

Other zones

• Radishes in zone 3
• Radishes in zone 5
• Radishes in zone 6
• Radishes in zone 7
• Radishes in zone 8
• Radishes in zone 9
• Radishes in zone 10
• Zone 4 planting calendar