Plant Database / Herbs / Thai Basil
Herbs

Thai Basil

Ocimum basilicum thyrsiflora
Lamiaceae (Mint)

Holds up to heat better than sweet basil and brings a licorice note to Southeast Asian cooking.

EdibleAnnualFull sunHeat-loverContainer-friendly
Thai Basil (Ocimum basilicum thyrsiflora) illustration — Texas Roots plant database, by Jordan Polasek
Sun
Full sun
Water
Even
Soil
Rich
pH
6.0–7.0
Hardiness
Warm-season annual
Height
12–18 in
Spacing
10–12 in
Days to harvest
60–80

What it is

Thai Basil (Ocimum basilicum thyrsiflora) is in the Lamiaceae (Mint) family. Holds up to heat better than sweet basil and brings a licorice note to Southeast Asian cooking.

How to grow it

It wants full sun, water it even, and give it rich soil. Target a soil pH around 6.0–7.0. Space plants about 10–12 in apart. Expect roughly 60–80. Warm-season annual.

How it's used

Thai Basil is used: fresh in stir-fry, pho, curries.

🔎 How to identify it

  • Narrow leaves, purple stems
  • Purple flower spikes
  • Anise-licorice scent

Edibility

PartsLeaves
UsesFresh in stir-fry, pho, curries
CautionNone.
🌤 Before you plant: check the live 7-day garden weather to time it right for frost and heat.

Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.