When should I plant Koriander in Zone 12a?

Direct sow Koriander outdoors around Dec 18. Expect first harvest around Jan 17.

What is the last frost date for Zone 12a?

The average last spring frost date for Zone 12a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Yes. Koriander needs 30 days to harvest. Zone 12a has a 364-day growing season, which is sufficient. You can plant up to 23 successions.

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Zone 12a has a year-round growing season. Koriander can be planted almost any time with proper planning. Sidste frost: Jan 1. Første frost: Dec 31.

Outdoor

Harvest

Dec 18Dec 31

Season: Jan 1 – Dec 31 (364 dage) · Succession: plant every 2 weeks (up to 23x)

Zone12a

Sidste frostJan 1

Første frostDec 31

Sæson364 dage

Høst30 dage

SolHalvskygge

Direct sow Koriander seeds outdoors around Dec 18. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm afstand).

First harvest approximately Jan 17 (~30 dage from planting). Continue harvesting until first frost (Dec 31).

For a fall harvest, plant Koriander around Nov 19 (6 weeks before first frost).

✅ Tomater✅ Peberfrugter✅ Bønner✅ Ærter✅ Spinat

❌ Fennikel❌ Dild

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.