When should I plant Col in Zone 10a?

Start Col seeds indoors around Jan 9. Transplant outdoors after Jan 30. Expect first harvest around Apr 5.

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.

Can I grow Col in Zone 10a?

Yes. Col needs 80 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

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🥬 Growing Col in Zone 10a

Zone 10a has a year-round growing season. Col can be planted almost any time with proper planning. Darrera gelada: Feb 20. Primera gelada: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 dies)

Zona10a

Darrera geladaFeb 20

Primera geladaDec 1

Temporada284 dies

Collita80 dies

SolSol Ple

When to Plant Col in Zone 10a

Start Seeds Indoors: Jan 9

Start Col seeds indoors around Jan 9 (6 setmanes abans de l’última gelada). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Jan 30

Transplant Col seedlings outdoors after Jan 30. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Apr 5

First harvest approximately Apr 5 (~65 dies from transplant). Continue harvesting until first frost (Dec 1).

Fall Planting: Sep 8

For a fall harvest, plant Col around Sep 8 (12 weeks before first frost).

Plantació Companya

✅ Patates✅ Menta ✅ Anet✅ Cebes✅ Api

❌ Mongetes❌ Tomàquets❌ Maduixes

Col in Other Zones

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

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