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🥔 Growing Radish in Zone 10a
Zone 10a has a year-round growing season. Radish can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.
Planting Calendar
Season: Feb 20 – Dec 1 (284 days) · Succession: plant every 2 weeks (up to 18x)
When to Plant Radish in Zone 10a
Sow Seeds Outdoors: Jan 16
Direct sow Radish seeds outdoors around Jan 16. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).
Harvest: Feb 10
First harvest approximately Feb 10 (~25 days from planting). Continue harvesting until first frost (Dec 1).
Fall Planting: Oct 27
For a fall harvest, plant Radish around Oct 27 (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 10a?
Direct sow Radish outdoors around Jan 16. Harvest around Feb 10.
What is the last frost date for Zone 10a?
The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.
Can I grow Radish in Zone 10a?
Yes. Radish needs 25 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 18 successions.
What is the best month to plant Radish in Zone 10a?
The best time to plant Radish in Zone 10a is around Jan 16, 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 10a, expect your first harvest around Feb 10.
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