When should I plant Semangka in Zone 1a?

Start Semangka seeds indoors around Apr 27. Transplant outdoors after Jun 8. Expect first harvest around Aug 22.

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Semangka in Zone 1a?

Yes. Semangka needs 90 days to harvest. Zone 1a has a 95-day growing season, which is sufficient.

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🍉 Growing Semangka in Zone 1a

Zone 1a has harsh winters and a short growing season. Start Semangka early indoors to maximize your harvest window. Embun beku terakhir: May 25. Embun beku pertama: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 27Aug 28

Season: May 25 – Aug 28 (95 hari)

Zona1a

Embun beku terakhirMay 25

Embun beku pertamaAug 28

Musim95 hari

Panen90 hari

MatahariMatahari Penuh

When to Plant Semangka in Zone 1a

Start Seeds Indoors: Apr 27

Start Semangka seeds indoors around Apr 27 (4 minggu sebelum embun beku terakhir). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Jun 8

Transplant Semangka seedlings outdoors after Jun 8. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Aug 22

First harvest approximately Aug 22 (~75 hari from transplant). Continue harvesting until first frost (Aug 28).

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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