Thai Basil illustration

Growing Thai Basil in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Thai Basil early indoors to maximize your harvest window. Huling frost: May 15. Unang frost: Set 22.

Planting Calendar

Indoor
Outdoor
Harvest
Abr 3Set 22

Season: May 15 – Set 22 (130 araw) · Succession: plant every 3 weeks (up to 4x)

Zone3b
Huling frostMay 15
Unang frostSet 22
Season130 araw
Ani40 araw
ArawBuong Araw

When to Plant Thai Basil in Zone 3b

Start Seeds Indoors: Abr 3

Start Thai Basil seeds indoors around Abr 3 (6 linggo bago ang huling hamog). Optimal germination temperature: 80F. Germinates in 5-10 days.

Transplant Outdoors: May 29

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

Harvest: Hun 28

First harvest approximately Hun 28 (~30 araw from transplant). Continue harvesting until first frost (Set 22).

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