When should I plant Korijander in Zone 4a?

Direct sow Korijander outdoors around Apr 21. Expect first harvest around May 21.

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. Korijander needs 30 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 8 successions.

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Zone 4a has cold winters and a moderate growing season. Timing is key for Korijander in this zone. Zadnji mraz: May 5. Prvi mraz: Oct 1.

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 dana) · Succession: plant every 2 weeks (up to 8x)

Zona4a

Zadnji mrazMay 5

Prvi mrazOct 1

Sezona149 dana

Berba30 dana

SuncePolusjene

Direct sow Korijander seeds outdoors around Apr 21. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm razmak).

First harvest approximately May 21 (~30 dana from planting). Continue harvesting until first frost (Oct 1).

For a fall harvest, plant Korijander around Aug 20 (6 weeks before first frost).

✅ Rajčice✅ Paprike✅ Grah✅ Grašak✅ Špinat

❌ Komorač❌ Kopar

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