When to Plant Lemongrass in Austin, Texas (78721)

Location

Austin, Texas

ZIP Code

78721

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, December 12, 2025

Transplant Outdoors Friday, March 20, 2026

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, March 20, 2026.

🌿 Plant Details

Scientific Name Cymbopogon citratus

Days to Maturity 100 days

Mature Height 36-60"

Spread 36"

Type Tropical Perennial

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate-High (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 10-21 days

Ready to Plant Lemongrass in Austin?

Get your seeds now so they're ready by Friday, December 12, 2025.

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Growing Lemongrass in Zone 9a

Lemongrass (Cymbopogon citratus) is a popular garden vegetable. In Austin, Texas, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, December 12, 2025.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Lemongrass seedlings outdoors around Friday, March 20, 2026, about 4 weeks after your last frost date.