When should I plant Slnečnica in Zone 11b?

Start Slnečnica seeds indoors around Dec 25. Transplant outdoors after Jan 22. Expect first harvest around Mar 28.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Slnečnica in Zone 11b?

Yes. Slnečnica needs 90 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 18 successions.

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🌻 Growing Slnečnica in Zone 11b

Zone 11b has a year-round growing season. Slnečnica can be planted almost any time with proper planning. Posledný mráz: Jan 15. Prvý mráz: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 25Dec 31

Season: Jan 15 – Dec 31 (350 dní) · Succession: plant every 2 weeks (up to 18x)

Zóna11b

Posledný mrázJan 15

Prvý mrázDec 31

Sezóna350 dní

Úroda90 dní

SlnkoPlné Slnko

When to Plant Slnečnica in Zone 11b

Start Seeds Indoors: Dec 25

Start Slnečnica seeds indoors around Dec 25 (3 týždňov pred posledným mrazom). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Jan 22

Transplant Slnečnica seedlings outdoors after Jan 22. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm rozostup). Harden off plants for a week before moving outside.

Harvest: Mar 28

First harvest approximately Mar 28 (~65 dní from transplant). Continue harvesting until first frost (Dec 31).

Sprievodné Sadenie

✅ Uhorky✅ Tekvica ✅ Kukurica✅ Fazuľa

❌ Zemiaky

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

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