When should I plant Black Radish in Zone 4b?

Direct sow Black Radish outdoors around 27 Th3. Expect first harvest around 26 Th5.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is 1 Th5. The first fall frost averages 5 Th10, giving a 157-day growing season.

Yes. Black Radish needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 6 successions.

Zone 4b has cold winters and a moderate growing season. Timing is key for Black Radish in this zone. Sương giá cuối: 1 Th5. Sương giá đầu: 5 Th10.

Outdoor

Harvest

27 Th35 Th10

Season: 1 Th5 – 5 Th10 (157 ngày) · Succession: plant every 2 weeks (up to 6x)

Vùng4b

Sương giá cuối1 Th5

Sương giá đầu5 Th10

Mùa vụ157 ngày

Thu hoạch60 ngày

Ánh sángNắng hoàn toàn

Direct sow Black Radish seeds outdoors around 27 Th3. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm khoảng cách).

First harvest approximately 26 Th5 (~60 ngày from planting). Continue harvesting until first frost (5 Th10).

For a fall harvest, plant Black Radish around 31 Th8 (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 Black Radish from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.