Keloos

Family: Apiaceae Vegetable

Crisp as fresh-cut rain on stone, Keloos celery forms tall, tightly gathered stalks with a clean, bright snap and a pleasantly mellow, sweet celery flavor.

The texture stays tender and refined through the season, making these stalks especially satisfying for bold, aromatic use in salads, slaws, and savory mixes, as well as for classic pickling and quick flavoring in sauces. Grow Keloos for a garden harvest that feels polished—straight, upright, and consistently crisp at about 90 days.

Light: Part SunMaturity: 90 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 17th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	90
Sun Requirements	Part Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	6

Culinary Notes

Chef's Note

Keloos celery is built for the bite—tender stalks with a clean, sweet snap that stays crisp in slaw and salads instead of going hollow or watery. Use it where you want celery’s bright aromatics to read clearly: quick pickles, chilled salads, or finely chopped for a polished mirepoix.

Best Uses

ice-cold crudités and celery salad with a tight vinaigrette
shred or dice for slaw that keeps its bite
classic quick-pickle or refrigerator brine slices
aromatic base for stocks and soups where you want celery flavor without sharpness

Flavor Profile

clean, mellow sweetness bright, snappy celery crunch herbaceous aromatics with a soft finish

Kitchen Pairings

lemon olive oil parmesan butter chicken white beans

Frequently Asked Questions

What’s the most common problem on Apium graveolens var. dulce (kaleos/celery-type), and how do I treat it?

A common issue is early blight–like foliage spotting and leaf diseases that show up as dark, spreading spots on leaves in humid weather. Remove infected leaves early, water at the soil line (not over the foliage), and improve airflow between plants in your part-sun bed. If spots persist, use an approved garden fungicide labeled for celery/Apiaceae according to the label rate, starting as soon as symptoms appear.

How often should I water keloos during its main growing phase?

During the main growth period (after seedlings establish until the last several weeks), keep the soil evenly moist—aim for consistently damp soil down to about 6–8 in. Water about 1–2 times per week, increasing to more frequent watering during hot spells, but never let the soil fully dry out. Mulch helps prevent swings, which are a common cause of tough stalks and poor flavor in celery-type crops.

How can I tell when keloos is ready to harvest at ~90 days?

Harvest when plants reach full size and stalks are firm and crisp, with leaves that stay upright and a good green color typical of celery-type growth. For a clean timing cue, start checking around 80–90 days: if stalks are thick and feel sturdy when you gently lift them, it’s ready. If you’re blanching (where practiced), harvest after the desired blanching period once stalks are tender and pale enough for your preference.