When should I plant Ηλίανθος in Zone 10a?

Start Ηλίανθος 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 Ηλίανθος in Zone 10a?

Yes. Ηλίανθος 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 Ηλίανθος in Zone 10a

Zone 10a has a year-round growing season. Ηλίανθος can be planted almost any time with proper planning. Τελευταίος παγετός: Feb 20. Πρώτος παγετός: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 30Dec 1

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

Ζώνη10a

Τελευταίος παγετόςFeb 20

Πρώτος παγετόςDec 1

Περίοδος284 ημέρες

Συγκομιδή90 ημέρες

ΉλιοςΠλήρης Ήλιος

When to Plant Ηλίανθος in Zone 10a

Start Seeds Indoors: Jan 30

Start Ηλίανθος seeds indoors around Jan 30 (3 εβδομάδες πριν τον τελευταίο παγετό). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Feb 27

Transplant Ηλίανθος seedlings outdoors after Feb 27. Wait until soil temperature reaches 55F. Space plants at 1/μ² (30cm απόσταση). Harden off plants for a week before moving outside.

Harvest: May 3

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

Συντροφική Φύτευση

✅ Αγγούρια✅ Κολοκύθα ✅ Καλαμπόκι✅ Φασόλια

❌ Πατάτες

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

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