Growing Korean Radish in Zone 3b
Zone 3b has harsh winters and a short growing season. Start Korean Radish early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.
Planting Calendar
Season: May 15 – Sep 22 (130 days) · Succession: plant every 2 weeks (up to 5x)
When to Plant Korean Radish in Zone 3b
Sow Seeds Outdoors: Apr 10
Direct sow Korean Radish seeds outdoors around Apr 10. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: Jun 4
First harvest approximately Jun 4 (~55 days from planting). Continue harvesting until first frost (Sep 22).
Fall Planting: Aug 18
For a fall harvest, plant Korean Radish around Aug 18 (5 weeks before first frost).
Korean 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 Korean Radish in Zone 3b?
Direct sow Korean Radish outdoors around Apr 10. Harvest around Jun 4.
What is the last frost date for Zone 3b?
The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.
Can I grow Korean Radish in Zone 3b?
Yes. Korean Radish needs 55 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 5 successions.
What is the best month to plant Korean Radish in Zone 3b?
The best time to plant Korean Radish in Zone 3b is around Apr 10, when soil temperatures are suitable and frost risk has passed.
How long does Korean Radish take to harvest?
Korean Radish takes approximately 55 days from planting to harvest. In Zone 3b, expect your first harvest around Jun 4.
Plan Your Korean Radish Garden
Track Korean Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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