Celery illustration 🌿

🌿 Growing Celery in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Celery early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 6Sep 15

Season: May 15 – Sep 15 (123 days)

Zone2a
Last FrostMay 15
First FrostSep 15
Season Length123 days
Days to Harvest100
SunFull Sun
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Celery in Zone 2a

Start Seeds Indoors: Mar 6

Start Celery seeds indoors around Mar 6 (10 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–21 days.

Transplant Outdoors: May 15

Transplant Celery seedlings outdoors after May 15. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Aug 8

First harvest approximately Aug 8 (~85 days from transplant). Continue harvesting until first frost (Sep 15).

Companion Planting

✅ Tomatoes✅ Cabbage✅ Beans✅ Leeks✅ Cauliflower
❌ Corn❌ Aster flowers

Plan Your Celery Garden

Track Celery from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Celery Growing Guide