When to Plant Rhubarb in Austin, Texas (78708)

Location

Austin, Texas

ZIP Code

78708

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, December 26, 2025

Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Rhubarb seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, March 6, 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 Austin?

Get your seeds now so they're ready by Friday, December 26, 2025.

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Growing Rhubarb in Zone 9a

Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Austin, Texas, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, December 26, 2025.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Rhubarb seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.