When to Plant Rhubarb in Fowlerton, Texas (78021)

Location

Fowlerton, Texas

ZIP Code

78021

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Friday, December 26, 2025

Transplant Outdoors

Friday, March 6, 2026

Based on last frost Friday, February 20, 2026 · Zone 9a

Pro tip: Start Rhubarb seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, March 6, 2026.

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🌿 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 Fowlerton?

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

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🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow flower stalks to develop in early summer. Harvest when seeds in the large seed clusters turn brown.

Processing

Cut dried seed stalks, thresh to release seeds, winnow lightly.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Rhubarb seeds don't grow true to variety. For identical plants, propagate by crown division in early spring.

Frequently Asked Questions

When should I plant Rhubarb in Fowlerton, Texas? +

In Fowlerton (Zone 9a), start Rhubarb seeds indoors around Friday, December 26, 2025 and transplant outdoors around Friday, March 6, 2026.

What is the last frost date for Fowlerton, Texas? +

The average last spring frost date for Fowlerton, Texas (ZIP 78021) is around Friday, February 20, 2026. This is based on NOAA climate normals for USDA Zone 9a.

How long does Rhubarb take to grow? +

Rhubarb typically matures in about 365 days from transplanting. In Fowlerton, that means you can expect harvest around Friday, March 6, 2026 plus 365 days.

Should I start Rhubarb indoors or direct sow in Texas? +

Rhubarb should be started indoors 8 weeks before your last frost date. In Fowlerton, that means starting around Friday, December 26, 2025.

📚 More Rhubarb Planting Guides

🗺️

Rhubarb in Texas

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 9a Rhubarb Guide

All cities in your zone · Avg dates

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Growing Rhubarb in Zone 9a

Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Fowlerton, 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.