SproutSmart
SproutSmart Intelligent Garden Sowing

Darby

Family: Convolvulaceae Root Vegetable

Planting Schedule

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

Velvety, sunset-orange flesh greets you with a naturally sweet, honeyed aroma and a creamy, spoon-tender texture once fully cured.

Darby’s roots form with an inviting oval-to-elongate silhouette and a smooth, well-colored interior that shines in every harvest basket. Grow Darby for standout performance in the garden and for bold, vivid results in roasted favorites, purées, and hearty mashes—plus a rich base for thick sauces and sweet-savory preserves.

Light: Full SunMaturity: 110 DaysHabit: Vine

Botanical illustration of Darby

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 13th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity110
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)85
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Culinary Notes


Chef's Note

Darby’s orange flesh turns custardy after full cure, so it roasts into jammy edges with a spoon-tender center rather than drying out. Use it where you want sweetness that stays creamy and coats—purées, mashes, and thick glazes—not where you need crisp, watery bite.

Best Uses

  • high-heat roasting until edges turn jammy and the center stays creamy
  • silky purée for velvety soups or sandwich-spread consistency
  • thick mashes that hold butter and salt without getting watery
  • sweet-savory preserves and glazes that cling to meats and breads

Flavor Profile

naturally honeyed sweetness creamy, spoon-tender interior velvety, low-fiber mouthfeel caramel-brown roasted aroma

Kitchen Pairings

brown sugar cinnamon lime black pepper butter smoked pork

Frequently Asked Questions


What pest or disease commonly affects Ipomoea batatas (sweet potato) and how do I control it?
Watch for sweet potato weevil (often starting as grub damage in roots) and for fungal problems like black rot or leaf blight in humid weather. Inspect slips and soil during planting, remove and destroy any plants with soft, blackened stems or roots, and avoid handling wet foliage. If leaves show early blight-like spotting, improve airflow with spacing and stop overhead watering; use disease-free slips and rotate beds away from other Convolvulaceae each season.
How often should I water Ipomoea batatas during the main growing phase?
After slips are established, keep the bed consistently moist but not soggy—aim for about 1 inch of water per week, increasing slightly during hot spells. Reduce watering as vines mature and roots size up, letting the top 1–2 inches of soil dry between waterings to prevent root cracking and rot. Mulch helps stabilize moisture so the soil doesn’t swing between dry and wet.
How can I tell when Ipomoea batatas is ready to harvest?
Harvest about 90–110 days after planting when foliage begins to yellow and die back, and the tuberous roots have filled out the ridges. Dig a test root first: it should be firm with well-developed skin (not thin or easily bruised). Handle carefully—sweet potatoes bruise easily—then cure them at warm, humid conditions (about 80–85°F for 5–7 days) before storing.