When should I plant Coliflor in Zone 4b?

Start Coliflor seeds indoors around Mar 20. Transplant outdoors after Apr 17. Expect first harvest around Jun 16.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Coliflor in Zone 4b?

Yes. Coliflor needs 75 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🥦 Growing Coliflor in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Coliflor in this zone. Darrera gelada: May 1. Primera gelada: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 dies)

Zona4b

Darrera geladaMay 1

Primera geladaOct 5

Temporada157 dies

Collita75 dies

SolSol Ple

When to Plant Coliflor in Zone 4b

Start Seeds Indoors: Mar 20

Start Coliflor seeds indoors around Mar 20 (6 setmanes abans de l’última gelada). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Apr 17

Transplant Coliflor seedlings outdoors after Apr 17. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Jun 16

First harvest approximately Jun 16 (~60 dies from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Jul 13

For a fall harvest, plant Coliflor around Jul 13 (12 weeks before first frost).

Plantació Companya

✅ Espinac ✅ Api ✅ Farigola✅ Mongetes

❌ Tomàquets❌ Maduixes❌ Pèsols

Coliflor 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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Track Coliflor from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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