When to Plant Celery in Newton Junction, New Hampshire (03859)
Location
Newton Junction, New Hampshire
ZIP Code
03859
USDA Zone
6a
Last Frost
Monday, April 20, 2026
📅 Planting Calendar
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 Newton Junction?
Get your seeds now so they're ready by Monday, February 9, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Newton Junction
Growing Celery in Zone 6a
Celery (Apium graveolens) is a popular garden vegetable. In Newton Junction, New Hampshire, 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.