When should I plant Kartoffel in Zone 4a?

Direct sow Kartoffel outdoors around Apr 21. Expect first harvest around Jul 20.

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.

Yes. Kartoffel needs 90 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 dage)

Zone4a

Sidste frostMay 5

Første frostOct 1

Sæson149 dage

Høst90 dage

SolFuld Sol

Direct sow Kartoffel seeds outdoors around Apr 21. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm afstand).

First harvest approximately Jul 20 (~90 dage from planting). Continue harvesting until first frost (Oct 1).

❌ Tomater❌ Græskar❌ Agurker❌ Græskar

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

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