Growing Black Radish in Zone 11a
Zone 11a has a year-round growing season. Black Radish can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.
Planting Calendar
Season: Jan 28 – Dec 22 (328 days) · Succession: plant every 2 weeks (up to 19x)
When to Plant Black Radish in Zone 11a
Sow Seeds Outdoors: Dec 24
Direct sow Black Radish seeds outdoors around Dec 24. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: Feb 22
First harvest approximately Feb 22 (~60 days from planting). Continue harvesting until first frost (Dec 22).
Fall Planting: Nov 17
For a fall harvest, plant Black Radish around Nov 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 13bFrequently Asked Questions
When should I plant Black Radish in Zone 11a?
Direct sow Black Radish outdoors around Dec 24. Harvest around Feb 22.
What is the last frost date for Zone 11a?
The average last spring frost date for Zone 11a is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Black Radish in Zone 11a?
Yes. Black Radish needs 60 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 19 successions.
What is the best month to plant Black Radish in Zone 11a?
The best time to plant Black Radish in Zone 11a is around Dec 24, 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 11a, expect your first harvest around Feb 22.
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