When should I plant Thai Basil in Zone 6b?

Start Thai Basil seeds indoors around Mar 4. Transplant outdoors after Apr 29. Expect first harvest around May 29.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Thai Basil in Zone 6b?

Yes. Thai Basil needs 40 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 7 successions.

Growing Thai Basil in Zone 6b

Zone 6b has mild winters and a long growing season -- good conditions for Thai Basil. Siste frost: Apr 15. Første frost: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 4Oct 22

Season: Apr 15 – Oct 22 (190 dager) · Succession: plant every 3 weeks (up to 7x)

Sone6b

Siste frostApr 15

Første frostOct 22

Sesong190 dager

Høst40 dager

SolFull Sol

When to Plant Thai Basil in Zone 6b

Start Seeds Indoors: Mar 4

Start Thai Basil seeds indoors around Mar 4 (6 uker før siste frost). Optimal germination temperature: 80F. Germinates in 5-10 days.

Transplant Outdoors: Apr 29

Transplant Thai Basil seedlings outdoors after Apr 29. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm avstand). Harden off plants for a week before moving outside.

Harvest: May 29

First harvest approximately May 29 (~30 dager from transplant). Continue harvesting until first frost (Oct 22).

Thai Basil 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 Thai Basil

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

Start Free Thai Basil Growing Guide