When to Plant Rhubarb in Wendell, Minnesota (56590)

Location

Wendell, Minnesota

ZIP Code

56590

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 20, 2026

Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Rhubarb seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 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 Wendell?

Get your seeds now so they're ready by Friday, March 20, 2026.

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Growing Rhubarb in Zone 4a

Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Wendell, Minnesota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Rhubarb seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.