When to Plant Lemongrass in Belle Fourche, South Dakota (57717)

Location

Belle Fourche, South Dakota

ZIP Code

57717

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, February 24, 2026

Transplant Outdoors Tuesday, June 2, 2026

Pro Tip: Start Lemongrass seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, June 2, 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 Belle Fourche?

Get your seeds now so they're ready by Tuesday, February 24, 2026.

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Growing Lemongrass in Zone 4b

Lemongrass (Cymbopogon citratus) is a popular garden vegetable. In Belle Fourche, South Dakota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, February 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Lemongrass seedlings outdoors around Tuesday, June 2, 2026, about 4 weeks after your last frost date.