Thai Basil illustration

Growing Thai Basil in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Thai Basil early indoors to maximize your harvest window. Fros terakhir: May 22. Fros pertama: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 10Sep 12

Season: May 22 – Sep 12 (113 hari) · Succession: plant every 3 weeks (up to 3x)

Zon3a
Fros terakhirMay 22
Fros pertamaSep 12
Musim113 hari
Tuaian40 hari
MatahariMatahari Penuh

When to Plant Thai Basil in Zone 3a

Start Seeds Indoors: Apr 10

Start Thai Basil seeds indoors around Apr 10 (6 minggu sebelum fros terakhir). Optimal germination temperature: 80F. Germinates in 5-10 days.

Transplant Outdoors: Jun 5

Transplant Thai Basil seedlings outdoors after Jun 5. Wait until soil temperature reaches 60F. Space plants at 4/m² (15cm jarak). Harden off plants for a week before moving outside.

Harvest: Jul 5

First harvest approximately Jul 5 (~30 hari from transplant). Continue harvesting until first frost (Sep 12).

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