SproutSmart
SproutSmart Intelligent Garden Sowing

Safir

Celery
Botanical illustration of Safir
🌱 70d to harvest Upright

Cool, crisp stalks of Safir rise with a refreshing snap—silky-smooth ribs and a clean, bright celery flavor that stays pleasantly…

Planting Schedule

Add Safir to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsJan 12th
Last FrostMar 23rd
Transplant / Sow OutdoorsMar 23rd
Harvest BeginsJun 1st
Harvest EndsNov 12th

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsPart SunPartial sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)6

Frequently Asked Questions


What pests or diseases commonly affect sweet celery (Apium graveolens var. dulce), and how can I control them?
Watch for early blight/leaf spot and celery rust, which show up as brown lesions or orange-brown pustules on foliage—remove and discard affected leaves and avoid wetting the plant canopy when watering. Also check for aphids and leafminers; rinse aphids off with a strong spray and use insecticidal soap if they persist, and remove heavily mined leaves early. Keep beds well ventilated and rotate out of Apiaceae families in subsequent seasons to reduce disease carryover.
How often should I water sweet celery during its main growing phase?
During the main growing phase, keep soil consistently evenly moist—about 1–2 inches (2.5–5 cm) of water per week total from rainfall and irrigation, with more frequent watering in hot weather. Celery needs steady moisture to prevent bitter, tough stems; aim for soil that stays damp 1–2 inches down without becoming waterlogged. Water at soil level and mulch lightly to reduce moisture swings, especially after plants establish.
How do I tell when sweet celery is ready to harvest?
Harvest around 70 days from sowing/when plants form firm, blanched-looking stalks and reach full size; outer stalks should feel solid rather than hollow or loose. For the best flavor and tenderness, start harvesting when stalks are thick enough to hold upright and then continue taking stalks as needed. If stalks become stringy or the flavor turns harsh, harvest promptly—celery quality drops quickly when stressed or over-mature.
Botanical illustration of Safir

Cool, crisp stalks of Safir rise with a refreshing snap—silky-smooth ribs and a clean, bright celery flavor that stays pleasantly mild. At maturity in about 70 days, the plants form an upright, tightly blanched heart with tender texture and a deep green sheen, ideal for fresh use and for brightening sauces and soups. Grow Safir for a garden-to-plate harvest that feels as invigorating as it tastes—straight stalks, crisp bite, and dependable performance.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 6 days first.

Expert Note

Start leaf celery indoors in cool conditions, then transplant as soon as nights are reliably above ~35°F and soil is workable—plants dislike heat more than light frost.