Growing Black Radish in Zone 7a
Zone 7a has mild winters and a long growing season — good conditions for Black Radish. Last frost: Apr 15. First frost: Oct 22.
Planting Calendar
Mar 11Oct 22
Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 2 weeks (up to 9x)
Zone7a
Last FrostApr 15
First FrostOct 22
Season Length190 days
Days to Harvest60
SunFull Sun
Frost ToleranceLight
Spacing4/sqft (6" apart)
When to Plant Black Radish in Zone 7a
Sow Seeds Outdoors: Mar 11
Direct sow Black Radish seeds outdoors around Mar 11. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: May 10
First harvest approximately May 10 (~60 days from planting). Continue harvesting until first frost (Oct 22).
Fall Planting: Sep 17
For a fall harvest, plant Black Radish around Sep 17 (5 weeks before first frost).
Black Radish in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bPlan Your Black Radish Garden
Track Black Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Black Radish Growing Guide