When should I plant Semangka in Zone 9b?

Start Semangka seeds indoors around Feb 10. Transplant outdoors after Mar 24. Expect first harvest around Jun 7.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Semangka in Zone 9b?

Yes. Semangka needs 90 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🍉 Growing Semangka in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Semangka. Embun beku terakhir: Mar 10. Embun beku pertama: Nov 15.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 10Nov 15

Season: Mar 10 – Nov 15 (250 hari)

Zona9b

Embun beku terakhirMar 10

Embun beku pertamaNov 15

Musim250 hari

Panen90 hari

MatahariMatahari Penuh

When to Plant Semangka in Zone 9b

Start Seeds Indoors: Feb 10

Start Semangka seeds indoors around Feb 10 (4 minggu sebelum embun beku terakhir). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Mar 24

Transplant Semangka seedlings outdoors after Mar 24. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 7

First harvest approximately Jun 7 (~75 hari from transplant). Continue harvesting until first frost (Nov 15).

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