SproutSmart
SproutSmart Intelligent Garden Sowing

Nancy Hall · Sweet Potato

Planting Schedule

Add Nancy Hall to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostJan 16th
Transplant / Direct Sow OutdoorsJan 30th
Harvest BeginsApr 30th
Harvest EndsDec 19th

Crop Details

Transplant Conditions: Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors.
Direct sow preferred — this crop has sensitive roots and does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.
TraitValue
Days to Maturity90
Sun RequirementsFull Sun
Growth HabitVine
Support NeededNone
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)Not Required
Expert Note: Nancy Hall yellow yam is typically grown from yam sets/slips rather than transplanted seedlings—plant when warm weather is established to avoid chilling injury.