SproutSmart
SproutSmart Intelligent Garden Sowing

Chard 'Rhubarb'· Swiss Chard

Planting Schedule

Add Chard 'Rhubarb' to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 15th
Transplant / Direct Sow OutdoorsMay 15th
Harvest BeginsJul 9th
Harvest EndsSep 24th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors. Harden off for 5 days first.
TraitValue
Days to Maturity55
Sun Requirements☀️ Full Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)5
Expert Note: For best tender stems/leaves, keep plants evenly watered and harvest by removing outer leaves while the crown stays undisturbed.