When should I plant Col in Zone 9a?

Start Col seeds indoors around Feb 6. Transplant outdoors after Feb 27. Expect first harvest around May 3.

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.

Can I grow Col in Zone 9a?

Yes. Col needs 80 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🥬 Growing Col in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Col. Darrera gelada: Mar 20. Primera gelada: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 6Nov 12

Season: Mar 20 – Nov 12 (237 dies)

Zona9a

Darrera geladaMar 20

Primera geladaNov 12

Temporada237 dies

Collita80 dies

SolSol Ple

When to Plant Col in Zone 9a

Start Seeds Indoors: Feb 6

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

Transplant Outdoors: Feb 27

Transplant Col seedlings outdoors after Feb 27. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: May 3

First harvest approximately May 3 (~65 dies from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Aug 20

For a fall harvest, plant Col around Aug 20 (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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