SproutSmart
SproutSmart Intelligent Garden Sowing

Regal

Family: Convolvulaceae Root Vegetable

Planting Schedule

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

Velvety, honeyed-orange flesh fills the tuber with a luminous glow, offering a naturally sweet flavor and a tender, creamy texture when grown to full maturity.

“Regal” forms well-shaped orange sweet potatoes with a smooth skin and a rich, uniform interior that shines in every harvest basket. Ideal for roasting and mashing, it also lends itself beautifully to silky purées and hearty baked dishes where its sweetness and color take center stage.

Light: Full SunMaturity: 100 DaysHabit: Vine

Botanical illustration of Regal

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsAug 3rd
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity100
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)80
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)Not Required

Culinary Notes


Chef's Note

“Regal” orange sweet potatoes cook up with a luminous, uniform interior that turns creamy rather than grainy, so they hold a spoonable texture in purées and fillings. Their honeyed sweetness loves brown butter and a sharp hit of citrus to keep the finish from going one-note.

Best Uses

  • roasted wedges that caramelize at the edges
  • silky purée or mash with minimal added fat
  • baked pies/pasties where it sets into a tender, sliceable filling
  • hearty gratins or casseroles that benefit from a uniform orange interior

Flavor Profile

naturally honeyed sweetness velvety, creamy tuber flesh smooth, almost custardy mash texture when fully cooked gentle earthy undertone

Kitchen Pairings

cinnamon brown butter lime or lemon juice goat cheese smoked paprika

Frequently Asked Questions


What pest or disease most commonly affects Ipomoea batatas (sweet potato), and how can I treat it at home?
Watch for sweet potato weevil and wireworms, which damage roots and leave feeding tunnels. Check plants weekly, remove and destroy any infested tubers at harvest, and keep beds free of volunteer sweet potatoes; for mild infestations you can also use row cover early to limit adult egg-laying. If you see leaf blight symptoms (dark lesions that spread quickly), remove affected leaves immediately and improve airflow around vines to reduce repeat infection.
How often should I water Ipomoea batatas during its main growing phase?
During active vine growth, keep soil evenly moist but not waterlogged—aim for about 1 inch of water per week, adjusting for heat and container size. Once vines are established, water when the top 1–2 inches of soil dry out, then water thoroughly so moisture reaches the root zone. Stop heavy watering about 2–3 weeks before harvest to help tubers cure and reduce rot risk.
How do I know when Ipomoea batatas is ready to harvest?
Harvest at roughly 100 days from planting, or when vines start to yellow and die back. Check one plant by gently lifting the soil: the sweet potatoes should be fully sized with firm skin that doesn’t rub off easily. Handle carefully and cure them immediately after harvest to improve keeping quality.