Growing Black Radish in Zone 12b
Zone 12b has a year-round growing season. Black Radish can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.
Planting Calendar
Season: Jan 1 – Dec 31 (364 days) · Succession: plant every 2 weeks (up to 21x)
When to Plant Black Radish in Zone 12b
Sow Seeds Outdoors: Nov 27
Direct sow Black Radish seeds outdoors around Nov 27. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: Jan 26
First harvest approximately Jan 26 (~60 days from planting). Continue harvesting until first frost (Dec 31).
Fall Planting: Nov 26
For a fall harvest, plant Black Radish around Nov 26 (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 12b?
Direct sow Black Radish outdoors around Nov 27. Harvest around Jan 26.
What is the last frost date for Zone 12b?
The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.
Can I grow Black Radish in Zone 12b?
Yes. Black Radish needs 60 days to harvest. Zone 12b has a 364-day growing season, which is sufficient. You can plant up to 21 successions.
What is the best month to plant Black Radish in Zone 12b?
The best time to plant Black Radish in Zone 12b is around Nov 27, 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 12b, expect your first harvest around Jan 26.
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