When should I plant Koriander in Zone 10a?

Direct sow Koriander outdoors around Feb 6. Expect first harvest around Mar 8.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Yes. Koriander needs 30 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 18 successions.

🌿

Zone 10a has a year-round growing season. Koriander can be planted almost any time with proper planning. Siste frost: Feb 20. Første frost: Dec 1.

Outdoor

Harvest

Feb 6Dec 1

Season: Feb 20 – Dec 1 (284 dager) · Succession: plant every 2 weeks (up to 18x)

Sone10a

Siste frostFeb 20

Første frostDec 1

Sesong284 dager

Høst30 dager

SolHalvskygge

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

First harvest approximately Mar 8 (~30 dager from planting). Continue harvesting until first frost (Dec 1).

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

✅ Tomater✅ Paprikaer✅ Bønner✅ Erter✅ Spinat

❌ Fennikel❌ Dill

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.