When should I plant Kartul in Zone 4a?

Direct sow Kartul 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. Kartul 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 Kartul in this zone. Viimane öökülm: May 5. Esimene öökülm: Oct 1.

Outdoor

Harvest

Apr 21Oct 1

Season: May 5 – Oct 1 (149 päeva)

Tsoon4a

Viimane öökülmMay 5

Esimene öökülmOct 1

Hooaeg149 päeva

Saak90 päeva

PäikeTäispäike

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

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

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