Cora

Celeriac

Zone 10a Save Garden

🌱 100d to harvest Upright

Cora celeriac brings a richly aromatic, cellar-sweet flavor with a clean, nutty edge—its knobby crown holds a creamy, tender bite…

Crop Dates

Milestone	Date
Start Indoors	Nov 7th
Last Frost	Jan 16th
Transplant / Sow Outdoors	Jan 9th
Harvest Begins	Apr 19th
Harvest Ends	Dec 19th

Crop Details

Trait	Value
Days to Maturity	100
Sun Requirements	Part Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	7

Recommended Companions

Heshiko Bunching Onion Onion

Frequently Asked Questions

What pest or disease commonly affects Apium graveolens var. rapaceum (celeriac), and how can I manage it?

Celeriac is especially prone to fungal leaf spots and early blight-like spotting in humid weather. Remove infected outer leaves, improve airflow, and water at the soil line (not the foliage) to keep leaves dry. If spots keep spreading, apply a labeled fungicide for vegetables and repeat according to the label interval.

How often should I water celeriac during the main growing phase to prevent problems?

During the main bulbing stage, keep the soil consistently moist but not waterlogged—aim for evenly damp soil about 1–2 inches deep. Water about once or twice per week depending on heat, increasing frequency during dry spells so the forming “knob” doesn’t crack or stall. Mulch helps maintain steady moisture around the roots without soaking the crown.

How do I tell when celeriac is ready to harvest?

Harvest at about 100 days (or when the root is firm and has reached a usable size), typically before heavy frosts. The “bulb” should feel dense, with a thick, even body and minimal softness at the base. If leaves begin to yellow and the root skin looks well-set, cut the stems and lift the bulbs carefully with a fork.

Cora celeriac brings a richly aromatic, cellar-sweet flavor with a clean, nutty edge—its knobby crown holds a creamy, tender bite once fully developed. At maturity, the bulb forms a squat, well-anchored shape with a smooth, pale skin that peels away to reveal an ivory interior prized for its velvety texture. Grow Cora for standout roasts, gratins, and silky purées, or for crisp, tangy pickles that showcase its distinctive celeriac character.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.

Expert Note

For best swollen bulbs, keep seedlings evenly moist and avoid letting them dry out after transplanting (inconsistent moisture can lead to rough, hollow bulbs).