Amsterdam

Family: Apiaceae Vegetable

Planting Schedule

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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

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Amsterdam Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Mar 16th	May 18th	Aug 11th – Aug 29th
Zone 2b	Mar 6th	May 8th	Aug 1st – Aug 25th
Zone 3a	Mar 6th	May 8th	Aug 1st – Sep 1st
Zone 3b	Mar 10th	May 12th	Aug 5th – Sep 21st
Zone 4a	Mar 6th	May 8th	Aug 1st – Sep 24th
Zone 4b	Mar 4th	May 6th	Jul 30th – Sep 27th
Zone 5a	Feb 27th	May 1st	Jul 25th – Sep 30th
Zone 5b	Feb 23rd	Apr 27th	Jul 21st – Oct 5th
Zone 6a	Feb 20th	Apr 24th	Jul 18th – Oct 10th
Zone 6b	Feb 14th	Apr 18th	Jul 12th – Oct 16th
Zone 7a	Feb 9th	Apr 13th	Jul 7th – Oct 20th
Zone 7b	Jan 30th	Apr 3rd	Jun 27th – Oct 28th
Zone 8a	Jan 21st	Mar 25th	Jun 18th – Nov 5th
Zone 8b	Jan 12th	Mar 16th	Jun 9th – Nov 12th
Zone 9a	Dec 26th	Feb 27th	May 23rd – Nov 26th
Zone 9b	Dec 1st	Feb 2nd	Apr 28th – Dec 9th
Zone 10a	—	Oct 1st	Dec 25th – Feb 28th
Zone 10b	—	Oct 1st	Dec 25th – Feb 28th
Zone 11a	—	Oct 1st	Dec 25th – Feb 28th
Zone 11b	—	Oct 1st	Dec 25th – Feb 28th
Zone 12a	—	Oct 1st	Dec 25th – Feb 28th
Zone 12b	—	Oct 1st	Dec 25th – Feb 28th
Zone 13a	—	Oct 1st	Dec 25th – Feb 28th
Zone 13b	—	Oct 1st	Dec 25th – Feb 28th

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.