SproutSmart
SproutSmart Intelligent Garden Sowing

Sweet Caroline Sweetheart Red

Family: Convolvulaceae Root Vegetable

Planting Schedule

Add Sweet Caroline Sweetheart Red to your garden to build a schedule and get reminders.

Velvety, heart-shaped tubers in a showy sweetheart red blush to a rich, burnished tone as they mature, with a tender, creamy interior that invites bold flavor.

Sweet Caroline Sweetheart Red grows as an ornamental sweet potato with a lush, cascading habit—perfect for gardeners who want edible beauty and instant curb appeal in warm-season beds and containers. Enjoy its naturally sweet, softly starchy character in roasted-style preparations, as well as fresh uses and vibrant mash-style sauces for a garden-to-table centerpiece.

Light: Full SunMaturity: 90 DaysHabit: Vine

Botanical illustration of Sweet Caroline Sweetheart Red

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

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsJul 24th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity90
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Culinary Notes


Chef's Note

This ornamental-market sweet potato still behaves like a true tuber—velvety, creamy, and eager to caramelize, so you’ll get that burnished, spoonable texture with minimal fuss. I’d lean into fat + acid + spice (brown butter, citrus, smoked paprika) to keep the sweetness from tipping dessert-ward.

Best Uses

  • hot-roast cubes or batons until edges go mahogany and centers stay plush
  • mash and whip with butter/cream for a smooth, dessert-leaning side
  • pan-sear slices for a soft core with browned, custardy corners
  • starchy-sweet purée base for a velvety sauce over pork, chicken, or roasted veg

Flavor Profile

naturally sweet, candy-warm flavor creamy, softly starchy interior tender roast-express texture with a lightly caramel edge mild earthy backbone under the sweetness

Kitchen Pairings

smoked paprika black pepper brown butter lime or orange zest vanilla or cinnamon

Frequently Asked Questions


What pest or disease commonly affects Ipomoea batatas (sweet potato) and what should I do?
One of the most common problems is sweet potato weevil damage, where larvae burrow into roots, causing tunnels and rotting. Check plants regularly and remove any plants with soft, collapsing crowns; when planting, use only clean, disease-free slips/starts and keep the bed weed-free to reduce hiding spots. If you see widespread root damage near harvest, carefully lift and cure the remaining roots promptly to limit secondary rot.
How often should I water Ipomoea batatas during the main growing phase?
During active vine growth (roughly mid-season through the bulking period), keep soil consistently moist but not soggy—aim for about 1 inch of water per week, adjusted for rainfall and heat. Water deeply so moisture reaches the root zone, then allow the top 1–2 inches of soil to dry before watering again. Avoid waterlogged beds because sweet potatoes are prone to root and crown rots in overly wet soil.
How can I tell when Ipomoea batatas is ready to harvest?
Harvest when the vines begin to yellow and the tuberous roots are fully developed—typically around 90 days after planting, before frost. To confirm, gently dig one test root near the edge of the bed; the skin should be firm and well-colored, and it should not rub off easily. For best curing, harvest carefully (don’t bruise) and cure roots warm and humid for about a week after digging.