Amsterdam

Family: Apiaceae Vegetable

Crisp, cool stalks with a clean, bright celery snap—Amsterdam delivers a refined crunch that feels as fresh as a morning breeze.

Expect tender, well-blanched stems with a smooth, stringless texture and a classic, gently savory celery flavor that shines in salads and slaws, as well as in hearty soups and stews. A dependable choice for home gardeners seeking uniform, market-ready stalks at about 85 days to maturity.

Light: Part SunMaturity: 85 DaysHabit: Rosette

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 12th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	85
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	6

Culinary Notes

Chef's Note

Amsterdam celery is built for the kind of bite that makes you want to snack—crisp, cool, and notably smooth-textured instead of fibrous. Use it raw where its watery snap and classic celery savor stay intact, or shave it in late so it brings crunch to soups and braises without turning soft.

Best Uses

ice-cold celery and herb salads where it stays crisp under light dressing
slaws that need a snappy backbone for creamy sauces
broth and stock aromatics—add early for gentle celery character
stew and pot-roast finishing cuts that hold texture instead of going woolly

Flavor Profile

clean, gently savory celery flavor cool, watery snap tender, well-blanched crunch stringless, smooth bite

Kitchen Pairings

ranch dressing mayonnaise butter lemon potato chicken

Frequently Asked Questions

Why are my Amsterdam greens developing gray, fuzzy patches or damp-looking spots, and how do I stop it?

Gray mold (Botrytis) on Amsterdam plants is usually triggered by cool, humid weather and crowded growth that keeps leaves wet. Remove and discard infected leaves immediately, then thin plants so air moves through the canopy and water only at the soil line (not over the leaves). If it keeps spreading, use a label-approved fungicide for vegetables and apply according to the product directions, especially before more cloudy/humid spells.

How often should I water Amsterdam during the main growing phase, and what soil moisture level should I aim for?

During the main growth period (roughly weeks 3–8 after sprouting), keep the top 1 inch of soil consistently moist but not soggy. Water about 1–2 times per week depending on heat and container vs. ground conditions, adding more only if the soil dries faster than the 1-inch depth test. Aim for steady moisture because fluctuations can lead to weak, stunted growth in Amsterdam, especially under part-sun conditions where soil can dry unevenly.

How can I tell when Amsterdam is ready to harvest at about 85 days?

Amsterdam is ready to harvest when heads or leaf clusters are fully formed for the variety and feel firm to the touch, not loose or watery. Harvest in the morning when plants are turgid; if you squeeze a mature outer piece and it springs back, it’s a good sign you’re at the right stage. For best eating quality, harvest before leaves begin to yellow heavily or look over-mature at the crown.