When to Plant Lemongrass in Stony Brook, New York (11790)

Location

Stony Brook, New York

ZIP Code

11790

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, January 25, 2026

Transplant Outdoors Sunday, May 3, 2026

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, May 3, 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 Stony Brook?

Get your seeds now so they're ready by Sunday, January 25, 2026.

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Growing Lemongrass in Zone 7b

Lemongrass (Cymbopogon citratus) is a popular garden vegetable. In Stony Brook, New York, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, January 25, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Lemongrass seedlings outdoors around Sunday, May 3, 2026, about 4 weeks after your last frost date.