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🥔 Growing Radish in Zone 10b
Zone 10b has a year-round growing season. 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 21x)
When to Plant Radish in Zone 10b
Sow Seeds Outdoors: Dec 24
Direct sow Radish seeds outdoors around Dec 24. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).
Harvest: Jan 18
First harvest approximately Jan 18 (~25 days from planting). Continue harvesting until first frost (Dec 22).
Fall Planting: Nov 17
For a fall harvest, plant Radish around Nov 17 (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 10b?
Direct sow Radish outdoors around Dec 24. Harvest around Jan 18.
What is the last frost date for Zone 10b?
The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Radish in Zone 10b?
Yes. Radish needs 25 days to harvest. Zone 10b has a 328-day growing season, which is sufficient. You can plant up to 21 successions.
What is the best month to plant Radish in Zone 10b?
The best time to plant Radish in Zone 10b is around Dec 24, 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 10b, expect your first harvest around Jan 18.
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