When to Plant Roma Tomato in Frankfort, Illinois (60423)

Location

Frankfort, Illinois

ZIP Code

60423

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, March 9, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Roma Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Solanum lycopersicum

Days to Maturity 75 days

Mature Height 30-36"

Spread 18"

Type Determinate

Fruit Size Medium (2-3 oz)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Roma Tomato in Frankfort?

Get your seeds now so they're ready by Monday, March 9, 2026.

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Growing Roma Tomato in Zone 6a

Roma Tomato (Solanum lycopersicum) is a popular garden vegetable. In Frankfort, Illinois, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Roma Tomato seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.