When to Plant Watermelon in Benkelman, Nebraska (69021)

Location

Benkelman, Nebraska

ZIP Code

69021

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, March 28, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 2026.

🌿 Plant Details

Scientific Name Citrullus lanatus

Days to Maturity 80 days

Mature Height 12-24"

Spread 72"

Type Vine

Fruit Size Large (10-30 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

72" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 4-12 days

Ready to Plant Watermelon in Benkelman?

Get your seeds now so they're ready by Saturday, March 28, 2026.

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🤝 Good Companions

CornSunflowerMarigold

⚠️ Avoid Planting Near

Potato

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Growing Watermelon in Zone 5b

Watermelon (Citrullus lanatus) is a popular garden vegetable. In Benkelman, Nebraska, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, March 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Watermelon seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.