When should I plant Koruza in Zone 4a?

Direct sow Koruza outdoors around May 12. Expect first harvest around Aug 5.

What is the last frost date for Zone 4a?

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

Yes. Koruza needs 85 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 4 successions.

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Zone 4a has cold winters and a moderate growing season. Timing is key for Koruza in this zone. Zadnja slana: May 5. Prva slana: Oct 1.

Outdoor

Harvest

May 12Oct 1

Season: May 5 – Oct 1 (149 dni) · Succession: plant every 2 weeks (up to 4x)

Cona4a

Zadnja slanaMay 5

Prva slanaOct 1

Sezona149 dni

Žetev85 dni

SoncePolno Sonce

Direct sow Koruza seeds outdoors around May 12. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm narazen).

First harvest approximately Aug 5 (~85 dni from planting). Continue harvesting until first frost (Oct 1).

✅ Fižol✅ Buče✅ Kumare✅ Grah✅ Buče

❌ Paradižniki

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