When to Plant Celery in Shelbyville, Indiana (46176)

Location

Shelbyville, Indiana

ZIP Code

46176

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, February 9, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Celery seeds indoors 10 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.

🌿 Plant Details

Scientific Name Apium graveolens

Days to Maturity 130 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-28 days

Ready to Plant Celery in Shelbyville?

Get your seeds now so they're ready by Monday, February 9, 2026.

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🤝 Good Companions

CosmosDaisySnapDragon

⚠️ Avoid Planting Near

CornAster

See the full companion planting guide for Celery →

🛠️ 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

🔴 Difficult

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Celery is biennial — it seeds in year 2. Harvest umbels just before seeds shatter in summer.

Processing

Cut seed heads into bags, dry 2 weeks, thresh to release seeds.

Seed Viability

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

Pro Tip

In cold climates, dig celery in fall, store roots in a root cellar, and replant in spring for year-2 flowering.

Frequently Asked Questions

When should I plant Celery in Shelbyville, Indiana? +

In Shelbyville (Zone 6a), start Celery seeds indoors around Monday, February 9, 2026 and transplant outdoors around Monday, May 4, 2026.

What is the last frost date for Shelbyville, Indiana? +

The average last spring frost date for Shelbyville, Indiana (ZIP 46176) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.

How long does Celery take to grow? +

Celery typically matures in about 130 days from transplanting. In Shelbyville, that means you can expect harvest around Monday, May 4, 2026 plus 130 days.

Should I start Celery indoors or direct sow in Indiana? +

Celery should be started indoors 10 weeks before your last frost date. In Shelbyville, that means starting around Monday, February 9, 2026.

Other Plants for Shelbyville

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Growing Celery in Zone 6a

Celery (Apium graveolens) is a popular garden vegetable. In Shelbyville, Indiana, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 9, 2026.

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