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🥔 Growing Radish in Zone 12b
Zone 12b has a year-round growing season. 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 24x)
When to Plant Radish in Zone 12b
Sow Seeds Outdoors: Nov 27
Direct sow Radish seeds outdoors around Nov 27. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).
Harvest: Dec 22
First harvest approximately Dec 22 (~25 days from planting). Continue harvesting until first frost (Dec 31).
Fall Planting: Nov 26
For a fall harvest, plant Radish around Nov 26 (5 weeks before first frost).
Companion Planting
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 Radish in Zone 12b?
Direct sow Radish outdoors around Nov 27. Harvest around Dec 22.
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 Radish in Zone 12b?
Yes. Radish needs 25 days to harvest. Zone 12b has a 364-day growing season, which is sufficient. You can plant up to 24 successions.
What is the best month to plant Radish in Zone 12b?
The best time to plant Radish in Zone 12b is around Nov 27, when soil temperatures are suitable and frost risk has passed.
What companion plants grow well with Radish?
Good companion plants for Radish include Nasturtiums, Spinach, Lettuce, Peas. Avoid planting Radish near Hyssop.
How long does Radish take to harvest?
Radish takes approximately 25 days from planting to harvest. In Zone 12b, expect your first harvest around Dec 22.
Plan Your Radish Garden
Track Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Radish Growing Guide