When to Plant Lemongrass in Tucson, Arizona (85708)

Location

Tucson, Arizona

ZIP Code

85708

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 2, 2025

Transplant Outdoors Tuesday, March 10, 2026

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, March 10, 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 Tucson?

Get your seeds now so they're ready by Tuesday, December 2, 2025.

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Growing Lemongrass in Zone 9b

Lemongrass (Cymbopogon citratus) is a popular garden vegetable. In Tucson, Arizona, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 2, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Lemongrass seedlings outdoors around Tuesday, March 10, 2026, about 4 weeks after your last frost date.