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When to Plant Heirloom Tomato in Lindenwood, Illinois (61049)

Location

Lindenwood, Illinois

ZIP Code

61049

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, March 14, 2026
Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 2026.

🌿 Plant Details

Scientific Name Solanum lycopersicum
Days to Maturity 80 days
Mature Height 48-84"
Spread 24"
Type Indeterminate
Fruit Size Variable (2-32 oz depending on variety)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

30" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Heirloom Tomato in Lindenwood?

Get your seeds now so they're ready by Saturday, March 14, 2026.

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🤝 Good Companions

BasilCarrotParsleyMarigoldBorage

⚠️ Avoid Planting Near

BrassicasFennelCornKohlrabi

Other Plants for Lindenwood

Growing Heirloom Tomato in Zone 5b

Heirloom Tomato (Solanum lycopersicum) is a popular garden vegetable. In Lindenwood, Illinois, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, March 14, 2026.

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