When should I plant Koriander in Zone 9a?

Direct sow Koriander outdoors around Mar 6. Expect first harvest around Apr 5.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Yes. Koriander needs 30 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 14 successions.

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Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Koriander. Zadnja slana: Mar 20. Prva slana: Nov 12.

Outdoor

Harvest

Mar 6Nov 12

Season: Mar 20 – Nov 12 (237 dni) · Succession: plant every 2 weeks (up to 14x)

Cona9a

Zadnja slanaMar 20

Prva slanaNov 12

Sezona237 dni

Žetev30 dni

SonceDelna Sončna Svetloba

Direct sow Koriander seeds outdoors around Mar 6. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm narazen).

First harvest approximately Apr 5 (~30 dni from planting). Continue harvesting until first frost (Nov 12).

For a fall harvest, plant Koriander around Oct 1 (6 weeks before first frost).

✅ Paradižniki✅ Paprike✅ Fižol✅ Grah✅ Špinača

❌ Koromač❌ Koper

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