When to Plant Rhubarb in Frankfort, Illinois (60423)

Location

Frankfort, Illinois

ZIP Code

60423

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, February 23, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Rhubarb seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Rheum rhabarbarum

Days to Maturity 365 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

Ready to Plant Rhubarb in Frankfort?

Get your seeds now so they're ready by Monday, February 23, 2026.

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Growing Rhubarb in Zone 6a

Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Frankfort, Illinois, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Rhubarb seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.