When should I plant Slnečnica in Zone 8b?

Start Slnečnica seeds indoors around Mar 1. Transplant outdoors after Mar 29. Expect first harvest around Jun 2.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Slnečnica in Zone 8b?

Yes. Slnečnica needs 90 days to harvest. Zone 8b has a 233-day growing season, which is sufficient. You can plant up to 10 successions.

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🌻 Growing Slnečnica in Zone 8b

Zone 8b has warm winters and an extended growing season -- excellent for heat-loving crops like Slnečnica. Posledný mráz: Mar 22. Prvý mráz: Nov 10.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 1Nov 10

Season: Mar 22 – Nov 10 (233 dní) · Succession: plant every 2 weeks (up to 10x)

Zóna8b

Posledný mrázMar 22

Prvý mrázNov 10

Sezóna233 dní

Úroda90 dní

SlnkoPlné Slnko

When to Plant Slnečnica in Zone 8b

Start Seeds Indoors: Mar 1

Start Slnečnica seeds indoors around Mar 1 (3 týždňov pred posledným mrazom). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Mar 29

Transplant Slnečnica seedlings outdoors after Mar 29. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm rozostup). Harden off plants for a week before moving outside.

Harvest: Jun 2

First harvest approximately Jun 2 (~65 dní from transplant). Continue harvesting until first frost (Nov 10).

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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