When should I plant Semangka in Zone 12b?

Start Semangka seeds indoors around Dec 4. Transplant outdoors after Jan 15. Expect first harvest around Mar 31.

What is the last frost date for Zone 12b?

The average last spring frost date for Zone 12b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Semangka in Zone 12b?

Yes. Semangka needs 90 days to harvest. Zone 12b has a 364-day growing season, which is sufficient.

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🍉 Growing Semangka in Zone 12b

Zone 12b has a year-round growing season. Semangka can be planted almost any time with proper planning. Embun beku terakhir: Jan 1. Embun beku pertama: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 4Dec 31

Season: Jan 1 – Dec 31 (364 hari)

Zona12b

Embun beku terakhirJan 1

Embun beku pertamaDec 31

Musim364 hari

Panen90 hari

MatahariMatahari Penuh

When to Plant Semangka in Zone 12b

Start Seeds Indoors: Dec 4

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

Transplant Outdoors: Jan 15

Transplant Semangka seedlings outdoors after Jan 15. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Mar 31

First harvest approximately Mar 31 (~75 hari from transplant). Continue harvesting until first frost (Dec 31).

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.

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