When to Plant Tomatillo in Great Lakes, Illinois (60088)

Location

Great Lakes, Illinois

ZIP Code

60088

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 Tomatillo seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Physalis philadelphica

Days to Maturity 75 days

Mature Height 36-60"

Spread 24"

☀️ 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 Tomatillo in Great Lakes?

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

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🤝 Good Companions

BasilCarrotMarigoldPepper

⚠️ Avoid Planting Near

FennelBrassicas

Other Plants for Great Lakes

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Growing Tomatillo in Zone 6a

Tomatillo (Physalis philadelphica) is a popular garden vegetable. In Great Lakes, 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 Tomatillo seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.