When should I plant Kopr in Zone 4b?

Direct sow Kopr outdoors around Apr 17. Expect first harvest around May 27.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Yes. Kopr needs 40 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 5 successions.

Zone 4b has cold winters and a moderate growing season. Timing is key for Kopr in this zone. Poslední mráz: May 1. První mráz: Oct 5.

Outdoor

Harvest

Apr 17Oct 5

Season: May 1 – Oct 5 (157 dní) · Succession: plant every 3 weeks (up to 5x)

Zóna4b

Poslední mrázMay 1

První mrázOct 5

Sezóna157 dní

Sklizeň40 dní

SluncePlné Slunce

Direct sow Kopr seeds outdoors around Apr 17. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm od sebe).

First harvest approximately May 27 (~40 dní from planting). Continue harvesting until first frost (Oct 5).

For a fall harvest, plant Kopr around Aug 24 (6 weeks before first frost).

❌ Mrkve

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