When should I plant Korean Zucchini in Zone 3a?

Start Korean Zucchini seeds indoors around Apr 24. Transplant outdoors after May 22. Expect first harvest around Jun 26.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Korean Zucchini in Zone 3a?

Yes. Korean Zucchini needs 55 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 2 successions.

Growing Korean Zucchini in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Korean Zucchini 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 2x)

Zona3a

Darrera geladaMay 22

Primera geladaSep 12

Temporada113 dies

Collita55 dies

SolSol Ple

When to Plant Korean Zucchini in Zone 3a

Start Seeds Indoors: Apr 24

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

Transplant Outdoors: May 22

Transplant Korean Zucchini seedlings outdoors after May 22. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm espaiat). Harden off plants for a week before moving outside.

Harvest: Jun 26

First harvest approximately Jun 26 (~35 dies from transplant). Continue harvesting until first frost (Sep 12).

Plantació Companya

✅ Blat de Moro✅ Bean✅ Caputxina ✅ Clavell de Moro

❌ Patata

Korean Zucchini 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

Plan Your Garden Korean Zucchini

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

Start Free Korean Zucchini Growing Guide