When should I plant Sončnica in Zone 1b?

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

What is the last frost date for Zone 1b?

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

Can I grow Sončnica in Zone 1b?

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

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🌻 Growing Sončnica in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Sončnica early indoors to maximize your harvest window. Zadnja slana: May 25. Prva slana: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

May 4Aug 28

Season: May 25 – Aug 28 (95 dni)

Cona1b

Zadnja slanaMay 25

Prva slanaAug 28

Sezona95 dni

Žetev90 dni

SoncePolno Sonce

When to Plant Sončnica in Zone 1b

Start Seeds Indoors: May 4

Start Sončnica seeds indoors around May 4 (3 tednov pred zadnjo zmrzaljo). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Jun 1

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

Harvest: Aug 5

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

Sobivanje Rastlin

✅ Kumare✅ Buče ✅ Koruza✅ Fižol

❌ Krompir

Sončnica 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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Track Sončnica from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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