When to Plant Roma Tomato in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 8, 2026

Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Roma Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 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 Biwabik?

Get your seeds now so they're ready by Wednesday, April 8, 2026.

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Growing Roma Tomato in Zone 3b

Roma Tomato (Solanum lycopersicum) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 8, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Roma Tomato seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.