Green Sleeves

Celery

90d to harvest

Fragrant and crisp from the first bite, Green Sleeves forms tall, tightly ribbed stalks with a clean, cool green color and a refreshing snap. Expect a smooth, tender texture with a classic celery bite—ideal for brightening salads, elevating soups and stews, and lending depth to sauces. Grow it for dependable, uniform performance and a harvest that feels as crisp as it looks.

Crop Dates

Milestone	Date
Start Indoors	Feb 9th
Last Frost	May 4th
Transplant / Sow Outdoors	Jun 15th
Harvest Begins	Sep 13th
Harvest Ends	Oct 5th

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)	35
Harden Off (days)	6

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Frequently Asked Questions

What pest or disease commonly affects sweet celery (Apium graveolens var. dulce), and how can I control it?

Watch for celery leaf spot and early blight-like foliage spots, which show up as dark lesions on leaves that spread during humid weather. Remove infected leaves early, improve airflow by thinning plants, and avoid wetting the foliage when you water. If issues persist, use an approved copper-based fungicide label specifically for celery/leaf spot and reapply according to label directions.

How do I tell when green/sweet celery is ready to harvest?

Harvest when plants are about 8–10 inches tall with thick, crisp ribs and a firm “snap” when you gently bend a stalk. For Apium graveolens var. dulce, start checking around 90 days from sowing/transplanting—use the days-to-maturity as a guideline, but base harvest on stem firmness rather than only the calendar. Cut individual stalks from the outside inward, or harvest the whole plant when the center stalks are similarly thick and well-developed.