When should I plant Slnečnica in Zone 8a?

Start Slnečnica seeds indoors around Mar 15. Transplant outdoors after Apr 12. Expect first harvest around Jun 16.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.

Can I grow Slnečnica in Zone 8a?

Yes. Slnečnica needs 90 days to harvest. Zone 8a has a 206-day growing season, which is sufficient. You can plant up to 8 successions.

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🌻 Growing Slnečnica in Zone 8a

Zone 8a has warm winters and an extended growing season -- excellent for heat-loving crops like Slnečnica. Posledný mráz: Apr 5. Prvý mráz: Oct 28.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 15Oct 28

Season: Apr 5 – Oct 28 (206 dní) · Succession: plant every 2 weeks (up to 8x)

Zóna8a

Posledný mrázApr 5

Prvý mrázOct 28

Sezóna206 dní

Úroda90 dní

SlnkoPlné Slnko

When to Plant Slnečnica in Zone 8a

Start Seeds Indoors: Mar 15

Start Slnečnica seeds indoors around Mar 15 (3 týždňov pred posledným mrazom). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Apr 12

Transplant Slnečnica seedlings outdoors after Apr 12. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm rozostup). Harden off plants for a week before moving outside.

Harvest: Jun 16

First harvest approximately Jun 16 (~65 dní from transplant). Continue harvesting until first frost (Oct 28).

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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