When to Plant Lemongrass in San Juan, Texas (78589)

Location

San Juan, Texas

ZIP Code

78589

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 16, 2025

Transplant Outdoors Sunday, February 22, 2026

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, February 22, 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 San Juan?

Get your seeds now so they're ready by Sunday, November 16, 2025.

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Growing Lemongrass in Zone 10a

Lemongrass (Cymbopogon citratus) is a popular garden vegetable. In San Juan, Texas, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 16, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Lemongrass seedlings outdoors around Sunday, February 22, 2026, about 4 weeks after your last frost date.