When should I plant Tilli in Zone 4b?

Direct sow Tilli 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. Tilli 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 Tilli in this zone. Viimeinen halla: May 1. Ensimmäinen halla: Oct 5.

Outdoor

Harvest

Apr 17Oct 5

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

Vyöhyke4b

Viimeinen hallaMay 1

Ensimmäinen hallaOct 5

Kausi157 päivää

Sato40 päivää

AurinkoTäysi Aurinko

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

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

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

❌ Porkkanat

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