📍 Saint Agatha, ME · Zone 4a · Last frost Friday, May 15, 2026
✏️ ChangeWhen to Plant Celery in Saint Agatha, Maine (04772)
Location
Saint Agatha, Maine
ZIP Code
04772
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Friday, March 6, 2026
Transplant Outdoors
Friday, May 29, 2026
Based on last frost Friday, May 15, 2026 · Zone 4a
Pro tip: Start Celery seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 8-28 days
Ready to Plant Celery in Saint Agatha?
Get your seeds now so they're ready by Friday, March 6, 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 Saint Agatha, Maine? +
In Saint Agatha (Zone 4a), start Celery seeds indoors around Friday, March 6, 2026 and transplant outdoors around Friday, May 29, 2026.
What is the last frost date for Saint Agatha, Maine? +
The average last spring frost date for Saint Agatha, Maine (ZIP 04772) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.
How long does Celery take to grow? +
Celery typically matures in about 130 days from transplanting. In Saint Agatha, that means you can expect harvest around Friday, May 29, 2026 plus 130 days.
Should I start Celery indoors or direct sow in Maine? +
Celery should be started indoors 10 weeks before your last frost date. In Saint Agatha, that means starting around Friday, March 6, 2026.
📚 More Celery Planting Guides
Other Plants for Saint Agatha
Growing Celery in Zone 4a
Celery (Apium graveolens) is a popular garden vegetable. In Saint Agatha, Maine, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 6, 2026.
Your average last frost date is Friday, May 15, 2026. Plan to transplant your Celery seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.