When should I plant Col in Zone 9b?

Start Col seeds indoors around Jan 27. Transplant outdoors after Feb 17. Expect first harvest around Apr 23.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Col in Zone 9b?

Yes. Col needs 80 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🥬 Growing Col in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Col. Darrera gelada: Mar 10. Primera gelada: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 27Nov 15

Season: Mar 10 – Nov 15 (250 dies)

Zona9b

Darrera geladaMar 10

Primera geladaNov 15

Temporada250 dies

Collita80 dies

SolSol Ple

When to Plant Col in Zone 9b

Start Seeds Indoors: Jan 27

Start Col seeds indoors around Jan 27 (6 setmanes abans de l’última gelada). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Feb 17

Transplant Col seedlings outdoors after Feb 17. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Apr 23

First harvest approximately Apr 23 (~65 dies from transplant). Continue harvesting until first frost (Nov 15).

Fall Planting: Aug 23

For a fall harvest, plant Col around Aug 23 (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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