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Celeriac
vegetable
Celery root — grown for the swollen root, not stalks. Start indoors 10–12 weeks before last frost; tiny seeds need light to germinate. Consistent moisture is critical — drought causes pithy roots. Remove lower leaves as the root swells. Flavor improves after light frost.
At a glance
- USDA Zones
- 3–9
- Sun
- Part sun (3–6 hrs)
- Water
- High — consistently moist soil
- Soil
- loam
- pH
- neutral
- Spacing
- 12 in. between plants
- SFG per sq ft
- 1 plant per 1-ft cell
- Days to maturity
- ~110 days
Planting & harvest windows
Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant | ||||||||||||
| Harvest |
Plant Harvest
Good companions
- 🫘
- 🧅
- 🧅
Recommended varieties
- Brilliant110 daysstart
Large, smooth-skinned root — the market standard. Stays white when cut.
- Diamant110 daysstart
Very smooth skin, easy to peel, vigorous.
- Monarch120 daysstart
Compact top with large round root. Good disease resistance.
Add Celeriac to your raised bed — the planner handles spacing and companion warnings automatically.
Open the planner →