When should I plant Ηλίανθος in Zone 1b?

Start Ηλίανθος seeds indoors around May 4. Transplant outdoors after Jun 1. Expect first harvest around Aug 5.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Ηλίανθος in Zone 1b?

Yes. Ηλίανθος needs 90 days to harvest. Zone 1b has a 95-day growing season, which is sufficient.

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🌻 Growing Ηλίανθος in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Ηλίανθος early indoors to maximize your harvest window. Τελευταίος παγετός: May 25. Πρώτος παγετός: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

May 4Aug 28

Season: May 25 – Aug 28 (95 ημέρες)

Ζώνη1b

Τελευταίος παγετόςMay 25

Πρώτος παγετόςAug 28

Περίοδος95 ημέρες

Συγκομιδή90 ημέρες

ΉλιοςΠλήρης Ήλιος

When to Plant Ηλίανθος in Zone 1b

Start Seeds Indoors: May 4

Start Ηλίανθος seeds indoors around May 4 (3 εβδομάδες πριν τον τελευταίο παγετό). Optimal germination temperature: 75F. Germinates in 7-14 days.

Transplant Outdoors: Jun 1

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

Harvest: Aug 5

First harvest approximately Aug 5 (~65 ημέρες from transplant). Continue harvesting until first frost (Aug 28).

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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