When should I plant Semangka in Zone 9a?

Start Semangka seeds indoors around Feb 20. Transplant outdoors after Apr 3. Expect first harvest around Jun 17.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Semangka in Zone 9a?

Yes. Semangka needs 90 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

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🍉 Growing Semangka in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Semangka. Embun beku terakhir: Mar 20. Embun beku pertama: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 20Nov 12

Season: Mar 20 – Nov 12 (237 hari)

Zona9a

Embun beku terakhirMar 20

Embun beku pertamaNov 12

Musim237 hari

Panen90 hari

MatahariMatahari Penuh

When to Plant Semangka in Zone 9a

Start Seeds Indoors: Feb 20

Start Semangka seeds indoors around Feb 20 (4 minggu sebelum embun beku terakhir). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Apr 3

Transplant Semangka seedlings outdoors after Apr 3. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 17

First harvest approximately Jun 17 (~75 hari from transplant). Continue harvesting until first frost (Nov 12).

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