When should I plant Bunga Matahari in Zone 1a?

Start Bunga Matahari seeds indoors around May 4. Transplant outdoors after Jun 1. Expect first harvest around Aug 5.

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 Bunga Matahari in Zone 1a?

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

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🌻 Growing Bunga Matahari in Zone 1a

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

Planting Calendar

Indoor

Outdoor

Harvest

May 4Aug 28

Season: May 25 – Aug 28 (95 hari)

Zon1a

Fros terakhirMay 25

Fros pertamaAug 28

Musim95 hari

Tuaian90 hari

MatahariMatahari Penuh

When to Plant Bunga Matahari in Zone 1a

Start Seeds Indoors: May 4

Start Bunga Matahari seeds indoors around May 4 (3 minggu sebelum fros terakhir). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Jun 1

Transplant Bunga Matahari seedlings outdoors after Jun 1. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Aug 5

First harvest approximately Aug 5 (~65 hari from transplant). Continue harvesting until first frost (Aug 28).

Penanaman Teman

✅ Timun✅ Labu ✅ Jagung✅ Kacang

❌ Kentang

Bunga Matahari 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

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