Carbassó illustration 🥒

🥒 Growing Carbassó in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Carbassó early indoors to maximize your harvest window. Darrera gelada: May 22. Primera gelada: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 24Sep 12

Season: May 22 – Sep 12 (113 dies) · Succession: plant every 3 weeks (up to 3x)

Zona3a
Darrera geladaMay 22
Primera geladaSep 12
Temporada113 dies
Collita50 dies
SolSol Ple

When to Plant Carbassó in Zone 3a

Start Seeds Indoors: Apr 24

Start Carbassó seeds indoors around Apr 24 (4 setmanes abans de l’última gelada). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Jun 5

Transplant Carbassó seedlings outdoors after Jun 5. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Jul 10

First harvest approximately Jul 10 (~35 dies from transplant). Continue harvesting until first frost (Sep 12).

Fall Planting: Jul 4

For a fall harvest, plant Carbassó around Jul 4 (10 weeks before first frost).

Plantació Companya

✅ Blat de Moro✅ Mongetes✅ Caputxines✅ Facèlia
❌ Patates

Plan Your Garden Carbassó

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

Start Free Carbassó Growing Guide