🌱 MyLocalPlanting

When to Plant Watermelon in National Stock Yards, Illinois (62071)

Location

National Stock Yards, Illinois

ZIP Code

62071

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 18, 2026
Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date for best results.

🌿 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

🤝 Good Companions

CornSunflowerMarigold

⚠️ Avoid Planting Near

Potato

Other Plants for National Stock Yards

Growing Watermelon in Zone 6b

Watermelon (Citrullus lanatus) is a popular garden vegetable. In National Stock Yards, Illinois, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Watermelon seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.