When should I plant Semangka in Zone 3b?

Start Semangka seeds indoors around Apr 17. Transplant outdoors after May 29. Expect first harvest around Aug 12.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Semangka in Zone 3b?

Yes. Semangka needs 90 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

🍉

🍉 Growing Semangka in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Semangka early indoors to maximize your harvest window. Embun beku terakhir: May 15. Embun beku pertama: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 17Sep 22

Season: May 15 – Sep 22 (130 hari)

Zona3b

Embun beku terakhirMay 15

Embun beku pertamaSep 22

Musim130 hari

Panen90 hari

MatahariMatahari Penuh

When to Plant Semangka in Zone 3b

Start Seeds Indoors: Apr 17

Start Semangka seeds indoors around Apr 17 (4 minggu sebelum embun beku terakhir). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: May 29

Transplant Semangka seedlings outdoors after May 29. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Aug 12

First harvest approximately Aug 12 (~75 hari from transplant). Continue harvesting until first frost (Sep 22).

Tanaman Pendamping

✅ Jagung✅ Nasturtium✅ Marigold✅ Lobak

❌ Kentang❌ Mentimun

Semangka 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 Semangka

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

Start Free Semangka Growing Guide