When should I plant Słonecznik in Zone 9b?

Start Słonecznik seeds indoors around 17 lut.. Transplant outdoors after 17 mar.. Expect first harvest around 21 maj.

What is the last frost date for Zone 9b?

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

Can I grow Słonecznik in Zone 9b?

Yes. Słonecznik needs 90 days to harvest. Zone 9b has a 250-day growing season, which is sufficient. You can plant up to 11 successions.

🌻

🌻 Uprawa Słonecznik w Strefie 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Słonecznik. Ostatni przymrozek: 10 mar.. Pierwszy przymrozek: 15 lis..

Planting Calendar

Indoor

Outdoor

Harvest

17 lut.15 lis.

Season: 10 mar. – 15 lis. (250 dni) · Succession: plant every 2 weeks (up to 11x)

Strefa9b

Ostatni przymrozek10 mar.

Pierwszy przymrozek15 lis.

Sezon250 dni

Zbiory90 dni

SłońcePełne słońce

When to Plant Słonecznik in Zone 9b

Start Seeds Indoors: 17 lut.

Start Słonecznik seeds indoors around 17 lut. (3 tygodni przed ostatnim mrozem). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: 17 mar.

Transplant Słonecznik seedlings outdoors after 17 mar.. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm odstęp). Harden off plants for a week before moving outside.

Harvest: 21 maj

First harvest approximately 21 maj (~65 dni from transplant). Continue harvesting until first frost (15 lis.).

Uprawa towarzysząca

✅ Ogórki✅ Dynia ✅ Kukurydza✅ Fasola

❌ Ziemniaki

Słonecznik w Innych Strefach

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

Zaplanuj Swój Ogród Słonecznik

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

Start Free Słonecznik Growing Guide