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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.

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Plant
Harvest

Plant  Harvest

Good companions

Recommended varieties

Add Celeriac to your raised bed — the planner handles spacing and companion warnings automatically.

Open the planner →
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