SproutSmart
SproutSmart Intelligent Garden Sowing

Monarch · Celery

Planting Schedule

Add Monarch to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
Last FrostJun 1st
Transplant / Direct Sow OutdoorsMay 18th
Harvest BeginsAug 31st
Harvest EndsAug 1st

Crop Details

Transplant Conditions: Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity105
Sun RequirementsPart 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
Expert Note: Start celeriac indoors because it needs a long season, but plan to transplant as little as possible and keep roots intact to prevent misshapen, discolored storage roots.