When should I plant Korean Radish in Zone 4a?

Direct sow Korean Radish outdoors around 3월 31일. Expect first harvest around 5월 25일.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is 5월 5일. The first fall frost averages 10월 1일, giving a 149-day growing season.

Yes. Korean Radish needs 55 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 6 successions.

Zone 4a has cold winters and a moderate growing season. Timing is key for Korean Radish in this zone. 마지막 서리: 5월 5일. 첫 서리: 10월 1일.

Outdoor

Harvest

3월 31일10월 1일

Season: 5월 5일 – 10월 1일 (149 일) · Succession: plant every 2 weeks (up to 6x)

구역4a

마지막 서리5월 5일

첫 서리10월 1일

시즌149 일

수확55 일

일조전일조

Direct sow Korean Radish seeds outdoors around 3월 31일. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm 간격).

First harvest approximately 5월 25일 (~55 일 from planting). Continue harvesting until first frost (10월 1일).

For a fall harvest, plant Korean Radish around 8월 27일 (5 weeks before first frost).

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 13b

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