When to Plant Rhubarb in Coleman, Florida (33521)

Location

Coleman, Florida

ZIP Code

33521

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, December 16, 2025

Transplant Outdoors

Tuesday, February 24, 2026

Based on last frost Tuesday, February 10, 2026 · Zone 9b

Pro tip: Start Rhubarb seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 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 Coleman?

Get your seeds now so they're ready by Tuesday, December 16, 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 Coleman, Florida? +

In Coleman (Zone 9b), start Rhubarb seeds indoors around Tuesday, December 16, 2025 and transplant outdoors around Tuesday, February 24, 2026.

What is the last frost date for Coleman, Florida? +

The average last spring frost date for Coleman, Florida (ZIP 33521) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.

How long does Rhubarb take to grow? +

Rhubarb typically matures in about 365 days from transplanting. In Coleman, that means you can expect harvest around Tuesday, February 24, 2026 plus 365 days.

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

Rhubarb should be started indoors 8 weeks before your last frost date. In Coleman, that means starting around Tuesday, December 16, 2025.

📚 More Rhubarb Planting Guides

🗺️

Rhubarb in Florida

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 9b Rhubarb Guide

All cities in your zone · Avg dates

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Growing Rhubarb in Zone 9b

Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Coleman, Florida, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 16, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Rhubarb seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.