When should I plant Radishi in Zone 4b?

Direct sow Radishi outdoors around Mar 27. Expect first harvest around Apr 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. Radishi needs 25 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 9 successions.

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Zone 4b has cold winters and a moderate growing season. Timing is key for Radishi in this zone. Baridi ya mwisho: May 1. Baridi ya kwanza: Oct 5.

Outdoor

Harvest

Mar 27Oct 5

Season: May 1 – Oct 5 (157 siku) · Succession: plant every 2 weeks (up to 9x)

Eneo4b

Baridi ya mwishoMay 1

Baridi ya kwanzaOct 5

Msimu157 siku

Mavuno25 siku

JuaJua Kamili

Direct sow Radishi seeds outdoors around Mar 27. Wait until soil temperature reaches 40F. Space plants at 16/m² (8cm nafasi).

First harvest approximately Apr 21 (~25 siku from planting). Continue harvesting until first frost (Oct 5).

For a fall harvest, plant Radishi around Aug 31 (5 weeks before first frost).

✅ Nasturtium✅ Mchicha ✅ Saladi✅ Njegere

❌ Hyssop

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