When should I plant Korean Radish in Zone 4b?

Direct sow Korean Radish outdoors around Mar 27. Expect first harvest around May 21.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Yes. Korean Radish needs 55 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 7 successions.

Zone 4b has cold winters and a moderate growing season. Timing is key for Korean Radish in this zone. Sidste frost: May 1. Første frost: Oct 5.

Outdoor

Harvest

Mar 27Oct 5

Season: May 1 – Oct 5 (157 dage) · Succession: plant every 2 weeks (up to 7x)

Zone4b

Sidste frostMay 1

Første frostOct 5

Sæson157 dage

Høst55 dage

SolFuld Sol

Direct sow Korean Radish seeds outdoors around Mar 27. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm afstand).

First harvest approximately May 21 (~55 dage from planting). Continue harvesting until first frost (Oct 5).

For a fall harvest, plant Korean Radish around Aug 31 (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.