Celery Planting Guide — All Zones
Apium graveolens
Last updated: May 15, 2026Quick Facts
Sunlight
☀️ Full Sun
Water Needs
💧💧💧 High
Spacing
10 inches apart
Planting Depth
0.125 inch
Min Soil Temp
50°F
Germination
14–21 days
Days to Maturity
85–120 days
Frost Tolerance
Light frost tolerance
Soil pH
6.0–7.0
Difficulty
Hard
Planting Schedule by Zone
Select your USDA zone below for a detailed guide with tips specific to your region.
Zone 3Zone 3aZone 3bZone 4Zone 4aZone 4bZone 5Zone 5aZone 5bZone 6Zone 6aZone 6bZone 7Zone 7aZone 7bZone 8Zone 8aZone 8bZone 9Zone 9aZone 9bZone 10Zone 10aZone 10b
| Zone | Start Indoors | Transplant | Direct Sow | Harvest Start | Harvest End |
|---|---|---|---|---|---|
| Zone 3 | Apr 3 | May 22 | — | Sep 1 | Sep 12 |
| Zone 4 | Mar 29 | May 17 | — | Aug 27 | Sep 22 |
| Zone 5 | Mar 19 | May 7 | — | Aug 17 | Oct 2 |
| Zone 6 | Mar 4 | Apr 22 | — | Aug 2 | Oct 6 |
| Zone 7 | Feb 22 | Apr 12 | — | Jul 23 | Sep 26 |
| Zone 8 | Feb 6 | Mar 27 | — | Jul 7 | Sep 10 |
| Zone 9 | Jan 17 | Mar 7 | — | Jun 17 | Aug 21 |
| Zone 10 | Dec 30 | Feb 17 | — | May 30 | Aug 3 |
What you'll need — Your Zone
🛒 Celery — Seeds & Supplies
- 🌱 Celery Seeds
Search for these at your local garden center or nursery.
Companion Planting
Companion planting improves growth, deters pests, and makes better use of garden space.
✓ Good Companions
✗ Avoid Nearby
Parsnip
📚 Data Sources
Frost dates: NOAA Climate Normals 1991–2020, National Centers for Environmental Information.Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services — NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.