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
Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 2026.
🌿 Plant Details
☀️ 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.
* Affiliate links — we may earn a small commission at no extra cost to you.
🤝 Good Companions
⚠️ Avoid Planting Near
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.