When should I plant Thyme in Zone 3b?

Start Thyme seeds indoors around Mar 20. Transplant outdoors after May 8. Expect first harvest around Jul 7.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Thyme in Zone 3b?

Yes. Thyme needs 80 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🌿 Growing Thyme in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Thyme early indoors to maximize your harvest window. Baridi ya mwisho: May 15. Baridi ya kwanza: Sep 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Sep 22

Season: May 15 – Sep 22 (130 siku)

Eneo3b

Baridi ya mwishoMay 15

Baridi ya kwanzaSep 22

Msimu130 siku

Mavuno80 siku

JuaJua Kamili

When to Plant Thyme in Zone 3b

Start Seeds Indoors: Mar 20

Start Thyme seeds indoors around Mar 20 (8 wiki kabla ya baridi barafu ya mwisho). Optimal germination temperature: 70F. Germinates in 14-21 days.

Transplant Outdoors: May 8

Transplant Thyme seedlings outdoors after May 8. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm nafasi). Harden off plants for a week before moving outside.

Harvest: Jul 7

First harvest approximately Jul 7 (~60 siku from transplant). Continue harvesting until first frost (Sep 22). Thyme can overwinter in mild climates for continued harvest.

Upandaji wa Pamoja

✅ Kabichi ✅ Biringanya✅ Stroberi✅ Nyanya✅ Viazi

Thyme 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 Thyme

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

Start Free Thyme Growing Guide