Utah 52-70

Celery

Zone 12a Save Garden

🌱 90d to harvest Upright

Crisp, cool stalks with a clean, bright snap—Utah 52-70 delivers a refreshing celery flavor that tastes distinctly “garden-fresh”…

Crop Dates

Milestone	Date
Start Indoors	Oct 23rd
Last Frost	Jan 1st
Transplant / Sow Outdoors	Dec 25th
Harvest Begins	Mar 25th
Harvest Ends	Dec 31st

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)	45
Min Night Temp (°F)	40
Harden Off (days)	7

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Frequently Asked Questions

What pest or disease most commonly affects Apium graveolens (celery), and what should I do?

Celery commonly suffers from early blight/leaf spot and bacterial leaf blight, which show up as dark, water-soaked leaf spots that spread in humid weather. Remove and destroy infected leaves, water at the soil line (not over the foliage), and improve airflow by spacing plants as directed to reduce leaf wetness. If disease persists, apply a labeled copper-based fungicide/bactericide per label directions and avoid harvesting from treated plants until the label’s re-entry/harvest interval.

How often should I water Apium graveolens during the main growing phase, and what soil moisture level should I keep?

During the main growth period, keep the root zone consistently moist—aim for evenly damp soil with no drying out between waterings. In most home gardens this means deep watering about 2–3 times per week, then adjusting to weather so the top 1 inch of soil doesn’t dry. Mulch around plants helps stabilize moisture and supports steady growth of celery petioles.

How can I tell when Apium graveolens is ready to harvest?

Harvest when stalks are firm and reach the typical mature thickness for your planting (often around golf-ball to thumb-size, depending on spacing), usually about 90 days after sowing/transplanting. Pull-test one plant: if the base is tight and the stalks blanch well (if you blanch by covering stems), it’s ready. For peak flavor and crisp texture, harvest in cooler weather and avoid waiting until stalks look loose or overly tall and hollow.

Crisp, cool stalks with a clean, bright snap—Utah 52-70 delivers a refreshing celery flavor that tastes distinctly “garden-fresh” from the first bite. Expect sturdy, upright growth and a tender, finely textured interior that holds its character well for salads, slaws, and classic flavor-building bundles. Grow it for reliable, uniform performance at about 90 days, when the stalks reach their best balance of crunch and mellow celery sweetness.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 40°F before moving outdoors. Harden off for 7 days first.

Expert Note

Start celery early indoors because it’s slow from seed; transplant only after nights are consistently mild and the plants are well-branched (not spindly).