📍 Grand Rapids, MI · Zone 6a · Last frost Monday, April 20, 2026
✏️ ChangeWhen to Plant Celery in Grand Rapids, Michigan (49534)
Location
Grand Rapids, Michigan
ZIP Code
49534
USDA Zone
6a
Last Frost
Monday, April 20, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Monday, February 9, 2026
Transplant Outdoors
Monday, May 4, 2026
Based on last frost Monday, April 20, 2026 · Zone 6a
Pro tip: Start Celery seeds indoors 10 weeks before your last frost date, then transplant outdoors around Monday, May 4, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 8-28 days
Ready to Plant Celery in Grand Rapids?
Get your seeds now so they're ready by Monday, February 9, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Full Companion Planting Guide for Celery
See which plants help Celery thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🔴 DifficultWhen 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 Grand Rapids, Michigan? +
In Grand Rapids (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 Grand Rapids, Michigan? +
The average last spring frost date for Grand Rapids, Michigan (ZIP 49534) 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 Grand Rapids, that means you can expect harvest around Monday, May 4, 2026 plus 130 days.
Should I start Celery indoors or direct sow in Michigan? +
Celery should be started indoors 10 weeks before your last frost date. In Grand Rapids, that means starting around Monday, February 9, 2026.
Other Plants for Grand Rapids
Growing Celery in Zone 6a
Celery (Apium graveolens) is a popular garden vegetable. In Grand Rapids, Michigan, 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.