When should I plant Tilli in Zone 3a?

Direct sow Tilli outdoors around May 8. Expect first harvest around Jun 17.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Tilli in Zone 3a?

Yes. Tilli needs 40 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 3 successions.

Growing Tilli in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Tilli early indoors to maximize your harvest window. Viimeinen halla: May 22. Ensimmäinen halla: Sep 12.

Planting Calendar

Outdoor

Harvest

May 8Sep 12

Season: May 22 – Sep 12 (113 päivää) · Succession: plant every 3 weeks (up to 3x)

Vyöhyke3a

Viimeinen hallaMay 22

Ensimmäinen hallaSep 12

Kausi113 päivää

Sato40 päivää

AurinkoTäysi Aurinko

When to Plant Tilli in Zone 3a

Sow Seeds Outdoors: May 8

Direct sow Tilli seeds outdoors around May 8. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm välein).

Harvest: Jun 17

First harvest approximately Jun 17 (~40 päivää from planting). Continue harvesting until first frost (Sep 12).

Fall Planting: Aug 1

For a fall harvest, plant Tilli around Aug 1 (6 weeks before first frost).

Kumppaniviljely

✅ Kaali ✅ Salaatti✅ Sipulit✅ Maissi✅ Kurkut

❌ Porkkanat

Tilli in Other Zones

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

Plan Your Garden Tilli

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

Start Free Tilli Growing Guide