Cora

Family: Apiaceae Root Vegetable

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.

Light: Part SunMaturity: 100 DaysHabit: Upright

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Feb 14th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 18th
Harvest Begins	Jul 27th
Harvest Ends	Oct 16th

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

Culinary Notes

Chef's Note

Cora celeriac earns the pan because it turns velvety without going woolly, and its nutty, aromatic sweetness shows up strongest after browning—then mellowing into cream. Treat it like a potato’s more perfumed cousin: roast first for flavor, purée for silk, or pickle for a sharp crunch that doesn’t get mushy.

Best Uses

low-and-slow roast until caramel-browned at the edges, then purée or spoonable sides
silky gratin with crème fraîche (or bechamel) and a restrained crumble of nutty cheese
smooth purée where it acts like a spoonable stand-in for heavier starches
quick refrigerator pickles for crisp, tangy slices that keep their bite

Flavor Profile

cellar-sweet, deeply aromatic celeriac funk clean nutty edge velvety, creamy-tender interior when cooked firm, snappy bite when raw or briefly dressed

Kitchen Pairings

butter crème fraîche parmesan mustard apple cider vinegar pork

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.