When should I plant Thai Basil in Zone 4b?

Start Thai Basil seeds indoors around 20 مارس. Transplant outdoors after 15 مايو. Expect first harvest around 14 يونيو.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is 1 مايو. The first fall frost averages 5 أكتوبر, giving a 157-day growing season.

Can I grow Thai Basil in Zone 4b?

Yes. Thai Basil needs 40 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 5 successions.

زراعة Thai Basil في المنطقة 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Thai Basil in this zone. آخر صقيع: 1 مايو. أول صقيع: 5 أكتوبر.

Planting Calendar

Indoor

Outdoor

Harvest

20 مارس5 أكتوبر

Season: 1 مايو – 5 أكتوبر (157 يوم) · Succession: plant every 3 weeks (up to 5x)

المنطقة4b

آخر صقيع1 مايو

أول صقيع5 أكتوبر

الموسم157 يوم

الحصاد40 يوم

الشمسشمس كاملة

When to Plant Thai Basil in Zone 4b

Start Seeds Indoors: 20 مارس

Start Thai Basil seeds indoors around 20 مارس (6 أسابيع قبل آخر صقيع). Optimal germination temperature: 80F. Germinates in 5-10 days.

Transplant Outdoors: 15 مايو

Transplant Thai Basil seedlings outdoors after 15 مايو. Wait until soil temperature reaches 60F. Space plants at 4/م² (15cm تباعد). Harden off plants for a week before moving outside.

Harvest: 14 يونيو

First harvest approximately 14 يونيو (~30 يوم from transplant). Continue harvesting until first frost (5 أكتوبر).

Thai Basil في مناطق أخرى

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

خطط حديقتك 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