PL. —Ipomoea batatasBotanical illustration — drop image
3a–11bHardiness zone
Peak bloom windowZone 6b · frost-offset weeks
Winter
Not in bloom
Spring
Peak bloom
Summer
Peak bloom
Fall
Not in bloom
Peak bloom
In bloom
Care guide
SunFull sun; 8+ hours
WaterModerate; drought tolerant once established; reduce water 3–4 weeks before harvest
SoilLoose, sandy loam; well-draining; pH 5.8–6.2
Spacing12–18 inches in row; 3–4 feet between rows
Height12–18 inches; sprawling vines
Zone3a – 11b
fall
cutHarvest before first frost; cure tubers at 85–90°F with high humidity for 10 days to sweeten and toughen skins for storage