Growing Black Radish in Zone 2a
Zone 2a has harsh winters and a short growing season. Start Black Radish early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.
Planting Calendar
Season: May 15 – Sep 15 (123 days) · Succession: plant every 2 weeks (up to 4x)
When to Plant Black Radish in Zone 2a
Sow Seeds Outdoors: Apr 10
Direct sow Black Radish seeds outdoors around Apr 10. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).
Harvest: Jun 9
First harvest approximately Jun 9 (~60 days from planting). Continue harvesting until first frost (Sep 15).
Fall Planting: Aug 11
For a fall harvest, plant Black Radish around Aug 11 (5 weeks before first frost).
Black 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 Black Radish in Zone 2a?
Direct sow Black Radish outdoors around Apr 10. Harvest around Jun 9.
What is the last frost date for Zone 2a?
The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.
Can I grow Black Radish in Zone 2a?
Yes. Black Radish needs 60 days to harvest. Zone 2a has a 123-day growing season, which is sufficient. You can plant up to 4 successions.
What is the best month to plant Black Radish in Zone 2a?
The best time to plant Black Radish in Zone 2a is around Apr 10, when soil temperatures are suitable and frost risk has passed.
How long does Black Radish take to harvest?
Black Radish takes approximately 60 days from planting to harvest. In Zone 2a, expect your first harvest around Jun 9.
Plan Your Black Radish Garden
Track Black Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Black Radish Growing Guide