When to Plant Celosia in Grant Park, Illinois (60940)

Location

Grant Park, Illinois

ZIP Code

60940

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, March 14, 2026

Transplant Outdoors Saturday, May 2, 2026

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, May 2, 2026.

🌿 Plant Details

Scientific Name Celosia argentea

Days to Maturity 75 days

Mature Height 12-36"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-14 days

Ready to Plant Celosia in Grant Park?

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

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🤝 Good Companions

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Other Plants for Grant Park

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Growing Celosia in Zone 5b

Celosia (Celosia argentea) is a popular garden vegetable. In Grant Park, 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 Celosia seedlings outdoors around Saturday, May 2, 2026, about 1 weeks after your last frost date.