Tendercrisp

Family: Apiaceae Herb

Planting Schedule

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Crisp as a fresh snowfall, Tendercrisp cutting celery forms tender, bright stalks with a clean, sweet-green snap and a pleasantly mild celery flavor.

The texture stays crisp and refined through cool-season growth, making it especially satisfying for fresh bunches and quick flavoring in everyday dishes. Grow it for a steady harvest window—75 days to maturity—when garden air turns crisp and the flavor is at its most vibrant.

Light: Part SunMaturity: 75 DaysHabit: Upright

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Tendercrisp 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	Apr 13th	May 25th	Aug 8th – Aug 29th
Zone 2b	Apr 3rd	May 15th	Jul 29th – Aug 25th
Zone 3a	Apr 3rd	May 15th	Jul 29th – Sep 1st
Zone 3b	Apr 7th	May 19th	Aug 2nd – Sep 21st
Zone 4a	Apr 3rd	May 15th	Jul 29th – Sep 24th
Zone 4b	Apr 1st	May 13th	Jul 27th – Sep 27th
Zone 5a	Mar 27th	May 8th	Jul 22nd – Sep 30th
Zone 5b	Mar 23rd	May 4th	Jul 18th – Oct 5th
Zone 6a	Mar 20th	May 1st	Jul 15th – Oct 10th
Zone 6b	Mar 14th	Apr 25th	Jul 9th – Oct 16th
Zone 7a	Mar 9th	Apr 20th	Jul 4th – Oct 20th
Zone 7b	Feb 27th	Apr 10th	Jun 24th – Oct 28th
Zone 8a	Feb 18th	Apr 1st	Jun 15th – Nov 5th
Zone 8b	Feb 9th	Mar 23rd	Jun 6th – Nov 12th
Zone 9a	Jan 23rd	Mar 6th	May 20th – Nov 26th
Zone 9b	Dec 29th	Feb 9th	Apr 25th – Dec 9th
Zone 10a	—	Oct 1st	Dec 15th – Feb 28th
Zone 10b	—	Oct 1st	Dec 15th – Feb 28th
Zone 11a	—	Oct 1st	Dec 15th – Feb 28th
Zone 11b	—	Oct 1st	Dec 15th – Feb 28th
Zone 12a	—	Oct 1st	Dec 15th – Feb 28th
Zone 12b	—	Oct 1st	Dec 15th – Feb 28th
Zone 13a	—	Oct 1st	Dec 15th – Feb 28th
Zone 13b	—	Oct 1st	Dec 15th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	75
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

Tendercrisp is built for eating cold and straight up: it has that clean, sweet-green snap and stays tender rather than turning fibrous. Use it where you can taste it—salad, quick stir-aromatics, or as a last-minute garnish—so the crunch doesn’t get bullied into mush.

Best Uses

thin slicing into crunchy salads and slaws
stir-in for quick aromatics where you want crunch to survive (last 30–60 seconds)
bunch-stalk snacking with flaky salt and citrus
flavoring broths and stocks that you’ll strain for a bright, fresh finish

Flavor Profile

clean sweet-green celery flavor cool-season mildness snappy, refined crispness tender bite without stringiness

Kitchen Pairings

lemon butter parmesan black pepper chicken potatoes

Frequently Asked Questions

What pest or disease commonly affects Apium graveolens var. secalinum (Tendercrisp celery) and how do I treat it?

Tendercrisp celery is prone to early blight–type leaf spotting and, especially in damp weather, fungal leaf diseases that start as small brown lesions and spread on petioles. Remove and discard infected leaves, water at the base (not over the foliage), and improve airflow by thinning plants so leaves don’t stay wet. If problems spread, apply a labeled fungicide appropriate for celery and follow the label’s timing and reapplication intervals.

How often should I water Tendercrisp celery during the main growing phase?

During the 6–8 weeks leading up to harvest (around the time plants are filling in), keep the soil consistently moist but not waterlogged—aim for an even damp feel 1–2 inches down. Water about 1–2 times per week depending on heat, increasing frequency during warm spells so the growing medium never dries out completely. Mulch around the plants to reduce moisture swings, which helps prevent cracking, bitterness, and stunted petioles.

How can I tell when Tendercrisp celery is ready to harvest?

Harvest at about 75 days from sowing/transplanting as plants reach full size and petioles feel crisp and firm rather than limp. Look for well-developed, upright stems with a blanched, pale interior if you’ve been practicing earthing-up or light blanching; the texture should be tender and crunchy. You can harvest outer stalks first for a staggered crop, or cut the whole plant when most stalks meet the desired thickness.