When to plant radishes in zone 5b
In zone 5b, the last spring frost usually comes around Apr 28 and the first fall frost around Oct 10. Here is when to plant radishes.
Sow in the bedMar 24
Start pickingApr 21
Plant again for fallAug 29
Your radish calendar for zone 5b
- Mar 24: Sow radish seeds in the bed
- Apr 21: Start picking radishes
- Aug 29: Sow radish seeds again for a fall crop
Ready in about four weeks. Great for kids and impatient gardeners.
Spacing in a raised bed: 16 plants per square foot.
These dates are estimates from the average frost dates for zone 5b. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.
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