When should I plant Koper in Zone 5a?

Direct sow Koper outdoors around Apr 14. Expect first harvest around May 24.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Yes. Koper needs 40 days to harvest. Zone 5a has a 163-day growing season, which is sufficient. You can plant up to 5 successions.

Zone 5a has cold winters and a moderate growing season. Timing is key for Koper in this zone. Zadnja slana: Apr 28. Prva slana: Oct 8.

Outdoor

Harvest

Apr 14Oct 8

Season: Apr 28 – Oct 8 (163 dni) · Succession: plant every 3 weeks (up to 5x)

Cona5a

Zadnja slanaApr 28

Prva slanaOct 8

Sezona163 dni

Žetev40 dni

SoncePolno Sonce

Direct sow Koper seeds outdoors around Apr 14. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm narazen).

First harvest approximately May 24 (~40 dni from planting). Continue harvesting until first frost (Oct 8).

For a fall harvest, plant Koper around Aug 27 (6 weeks before first frost).

❌ Korenje

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