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🥔 Growing Radish in Zone 6a
Zone 6a has mild winters and a long growing season — good conditions for Radish. Last frost: Apr 28. First frost: Oct 8.
Planting Calendar
Season: Apr 28 – Oct 8 (163 days) · Succession: plant every 2 weeks (up to 9x)
When to Plant Radish in Zone 6a
Sow Seeds Outdoors: Mar 24
Direct sow Radish seeds outdoors around Mar 24. Soil temperature should be at least 40°F. Space at 16/sqft (3" apart).
Harvest: Apr 18
First harvest approximately Apr 18 (~25 days from planting). Continue harvesting until first frost (Oct 8).
Fall Planting: Sep 3
For a fall harvest, plant Radish around Sep 3 (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 6a?
Direct sow Radish outdoors around Mar 24. Harvest around Apr 18.
What is the last frost date for Zone 6a?
The average last spring frost date for Zone 6a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.
Can I grow Radish in Zone 6a?
Yes. Radish needs 25 days to harvest. Zone 6a has a 163-day growing season, which is sufficient. You can plant up to 9 successions.
What is the best month to plant Radish in Zone 6a?
The best time to plant Radish in Zone 6a is around Mar 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 6a, expect your first harvest around Apr 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