When should I plant Thai Basil in Zone 12a?

Start Thai Basil seeds indoors around 20 Th11. Transplant outdoors after 15 Th1. Expect first harvest around 14 Th2.

What is the last frost date for Zone 12a?

The average last spring frost date for Zone 12a is 1 Th1. The first fall frost averages 31 Th12, giving a 364-day growing season.

Can I grow Thai Basil in Zone 12a?

Yes. Thai Basil needs 40 days to harvest. Zone 12a has a 364-day growing season, which is sufficient. You can plant up to 15 successions.

Growing Thai Basil in Zone 12a

Zone 12a has a year-round growing season. Thai Basil can be planted almost any time with proper planning. Sương giá cuối: 1 Th1. Sương giá đầu: 31 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

20 Th1131 Th12

Season: 1 Th1 – 31 Th12 (364 ngày) · Succession: plant every 3 weeks (up to 15x)

Vùng12a

Sương giá cuối1 Th1

Sương giá đầu31 Th12

Mùa vụ364 ngày

Thu hoạch40 ngày

Ánh sángNắng hoàn toàn

When to Plant Thai Basil in Zone 12a

Start Seeds Indoors: 20 Th11

Start Thai Basil seeds indoors around 20 Th11 (6 tuần trước sương giá cuối). Optimal germination temperature: 80F. Germinates in 5-10 days.

Transplant Outdoors: 15 Th1

Transplant Thai Basil seedlings outdoors after 15 Th1. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 14 Th2

First harvest approximately 14 Th2 (~30 ngày from transplant). Continue harvesting until first frost (31 Th12).

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