Growing Black Radish in Zone 7b
Zone 7b has mild winters and a long growing season — good conditions for Black Radish. Last frost: Apr 10. First frost: Nov 7.
Planting Calendar
Season: Apr 10 – Nov 7 (211 days) · Succession: plant every 2 weeks (up to 10x)
When to Plant Black Radish in Zone 7b
Sow Seeds Outdoors: Mar 6
Direct sow Black Radish seeds outdoors around Mar 6. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: May 5
First harvest approximately May 5 (~60 days from planting). Continue harvesting until first frost (Nov 7).
Fall Planting: Oct 3
For a fall harvest, plant Black Radish around Oct 3 (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 13bFrequently Asked Questions
When should I plant Black Radish in Zone 7b?
Direct sow Black Radish outdoors around Mar 6. Harvest around May 5.
What is the last frost date for Zone 7b?
The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.
Can I grow Black Radish in Zone 7b?
Yes. Black Radish needs 60 days to harvest. Zone 7b has a 211-day growing season, which is sufficient. You can plant up to 10 successions.
What is the best month to plant Black Radish in Zone 7b?
The best time to plant Black Radish in Zone 7b is around Mar 6, when soil temperatures are suitable and frost risk has passed.
How long does Black Radish take to harvest?
Black Radish takes approximately 60 days from planting to harvest. In Zone 7b, expect your first harvest around May 5.
Plan 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