When should I plant Koriander in Zone 5a?

Direct sow Koriander outdoors around Apr 14. Expect first harvest around May 14.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Yes. Koriander needs 30 days to harvest. Zone 5a has a 163-day growing season, which is sufficient. You can plant up to 9 successions.

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Zone 5a has cold winters and a moderate growing season. Timing is key for Koriander in this zone. Sidste frost: Apr 28. Første frost: Oct 8.

Outdoor

Harvest

Apr 14Oct 8

Season: Apr 28 – Oct 8 (163 dage) · Succession: plant every 2 weeks (up to 9x)

Zone5a

Sidste frostApr 28

Første frostOct 8

Sæson163 dage

Høst30 dage

SolHalvskygge

Direct sow Koriander seeds outdoors around Apr 14. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm afstand).

First harvest approximately May 14 (~30 dage from planting). Continue harvesting until first frost (Oct 8).

For a fall harvest, plant Koriander around Aug 27 (6 weeks before first frost).

✅ Tomater✅ Peberfrugter✅ Bønner✅ Ærter✅ Spinat

❌ Fennikel❌ Dild

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