When should I plant Korean Radish in Zone 6b?

Direct sow Korean Radish outdoors around Mar 11. Harvest around May 5.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Yes. Korean Radish needs 55 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 9 successions.

Zone 6b has mild winters and a long growing season — good conditions for Korean Radish. Last frost: Apr 15. First frost: Oct 22.

Outdoor

Harvest

Mar 11Oct 22

Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 2 weeks (up to 9x)

Zone6b

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest55

SunFull Sun

Frost ToleranceLight

Spacing4/sqft (6" apart)

Direct sow Korean Radish seeds outdoors around Mar 11. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

First harvest approximately May 5 (~55 days from planting). Continue harvesting until first frost (Oct 22).

For a fall harvest, plant Korean Radish around Sep 17 (5 weeks before first frost).

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Track Korean Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.