When should I plant Minttu in Zone 4b?

Start Minttu seeds indoors around Mar 6. Transplant outdoors after Apr 17. Expect first harvest around Jun 16.

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.

Can I grow Minttu in Zone 4b?

Yes. Minttu needs 60 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

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🍃 Growing Minttu in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Minttu in this zone. Viimeinen halla: May 1. Ensimmäinen halla: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 6Oct 5

Season: May 1 – Oct 5 (157 päivää)

Vyöhyke4b

Viimeinen hallaMay 1

Ensimmäinen hallaOct 5

Kausi157 päivää

Sato60 päivää

AurinkoPuolivarjo

When to Plant Minttu in Zone 4b

Start Seeds Indoors: Mar 6

Start Minttu seeds indoors around Mar 6 (8 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 10-16 days.

Transplant Outdoors: Apr 17

Transplant Minttu seedlings outdoors after Apr 17. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: Jun 16

First harvest approximately Jun 16 (~60 päivää from transplant). Continue harvesting until first frost (Oct 5). Minttu can overwinter in mild climates for continued harvest.

Kumppaniviljely

✅ Kaali✅ Tomaatit

❌ Kamomilla

Minttu 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

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