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🥔 Growing Radish in Zone 8b
Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Radish. Last frost: Mar 22. First frost: Nov 10.
Planting Calendar
Season: Mar 22 – Nov 10 (233 days) · Succession: plant every 2 weeks (up to 14x)
When to Plant Radish in Zone 8b
Sow Seeds Outdoors: Feb 15
Direct sow Radish seeds outdoors around Feb 15. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).
Harvest: Mar 12
First harvest approximately Mar 12 (~25 days from planting). Continue harvesting until first frost (Nov 10).
Fall Planting: Oct 6
For a fall harvest, plant Radish around Oct 6 (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 8b?
Direct sow Radish outdoors around Feb 15. Harvest around Mar 12.
What is the last frost date for Zone 8b?
The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.
Can I grow Radish in Zone 8b?
Yes. Radish needs 25 days to harvest. Zone 8b has a 233-day growing season, which is sufficient. You can plant up to 14 successions.
What is the best month to plant Radish in Zone 8b?
The best time to plant Radish in Zone 8b is around Feb 15, 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 8b, expect your first harvest around Mar 12.
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