When should I plant Slnečnica in Zone 10a?

Start Slnečnica seeds indoors around Jan 30. Transplant outdoors after Feb 27. Expect first harvest around May 3.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Slnečnica in Zone 10a?

Yes. Slnečnica needs 90 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 13 successions.

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🌻 Growing Slnečnica in Zone 10a

Zone 10a has a year-round growing season. Slnečnica can be planted almost any time with proper planning. Posledný mráz: Feb 20. Prvý mráz: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 30Dec 1

Season: Feb 20 – Dec 1 (284 dní) · Succession: plant every 2 weeks (up to 13x)

Zóna10a

Posledný mrázFeb 20

Prvý mrázDec 1

Sezóna284 dní

Úroda90 dní

SlnkoPlné Slnko

When to Plant Slnečnica in Zone 10a

Start Seeds Indoors: Jan 30

Start Slnečnica seeds indoors around Jan 30 (3 týždňov pred posledným mrazom). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Feb 27

Transplant Slnečnica seedlings outdoors after Feb 27. Wait until soil temperature reaches 55F. Space plants at 1/m² (30cm rozostup). Harden off plants for a week before moving outside.

Harvest: May 3

First harvest approximately May 3 (~65 dní from transplant). Continue harvesting until first frost (Dec 1).

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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