When should I plant Søtpotet in Zone 4a?

Start Søtpotet seeds indoors around Mar 10. Transplant outdoors after May 26. Expect first harvest around Aug 24.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Søtpotet in Zone 4a?

Yes. Søtpotet needs 100 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🍠 Growing Søtpotet in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Søtpotet in this zone. Siste frost: May 5. Første frost: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 10Oct 1

Season: May 5 – Oct 1 (149 dager)

Sone4a

Siste frostMay 5

Første frostOct 1

Sesong149 dager

Høst100 dager

SolFull Sol

When to Plant Søtpotet in Zone 4a

Start Seeds Indoors: Mar 10

Start Søtpotet seeds indoors around Mar 10 (8 uker før siste frost). Optimal germination temperature: 85F. Germinates in 14-21 days.

Transplant Outdoors: May 26

Transplant Søtpotet seedlings outdoors after May 26. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Aug 24

First harvest approximately Aug 24 (~90 dager from transplant). Continue harvesting until first frost (Oct 1).

Samdyrking

✅ Dill ✅ Oregano ✅ Timian

Søtpotet 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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