SproutSmart
SproutSmart Intelligent Garden Sowing

Kuroda Long

Family: Apiaceae Root Vegetable

Planting Schedule

Add Kuroda Long to your garden to build a schedule and get reminders.

Sweetly earthy and richly aromatic, Kuroda Long carrots bring a silky, tender crunch with a fine-grained bite that stays pleasantly sweet from garden to table.

Their long, tapered roots develop a deep orange core and smooth skin, making them a favorite for roasting, fresh snacking, and vibrant sauces where color and flavor matter most. Grow Kuroda Long for an elegant harvest that feels as good to pull as it tastes—straight, slender, and beautifully uniform at maturity.

Light: Full SunMaturity: 70 DaysHabit: Taproot

Botanical illustration of Kuroda Long

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 4th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsFull SunFull sun
Growth HabitTaproot
Support NeededNone
Planting DepthSurface
Germination Temp (°F)55
Min Soil Temp (°F)45
Min Night Temp (°F)28
Harden Off (days)Not Required

Culinary Notes


Chef's Note

Kuroda Long leans aromatic and sweet with a fine-grained crunch, so it doesn’t turn mushy or starchy as quickly as chunkier carrots. Roast or purée it and it stays silky, carrying bright partners like ginger and orange without tasting flat.

Best Uses

  • hot-roast whole or coin-sliced for caramelized edges
  • raw snacking sticks with minimal salt (they stay crisp and sweet)
  • glossy carrot purée or purée-based soup—smooth, not fibrous

Flavor Profile

sweetly earthy rich aromatic carrot character silky, tender crunch fine-grained, pleasantly sweet bite

Kitchen Pairings

ginger cumin orange honey butter yogurt

Frequently Asked Questions


What’s the most common carrot (Daucus carota var. sativus) pest or disease issue, and how do I treat it?
Carrot fly (especially in warm months) can be identified by small holes and tunneling near the soil line; the plants may look stunted or collapse despite normal watering. Use fine insect netting or row covers over the crop as soon as seedlings emerge, and keep weeds down since they attract pests. If you see damage, remove affected roots promptly to reduce further egg-laying and keep the soil evenly moist (very dry then wet can stress plants and worsen susceptibility).
How often should I water carrots during the main growing phase to get straight roots?
During active root bulking (roughly weeks 4–8 after emergence), keep the top 1–2 inches of soil consistently moist, watering deeply enough to prevent the soil from drying out between sessions. For most home gardens, this often means watering about 2–3 times per week depending on heat, aiming for fewer but thorough waterings rather than frequent sprinkles. If soil dries and then floods, roots can split or fork—maintain steady moisture for Daucus carota var. sativus.
How can I tell when Kuroda Long carrots are ready to harvest?
Harvest when the roots have reached a good visible shoulder size at the soil surface and the tops are still green and vigorous (around 70 days from sowing, since this crop matures in ~70 days). You can gently pull one plant to confirm root diameter—if it’s pencil-thick to thumb-thick for your spacing, harvest the rest. Avoid leaving them too long in hot weather, which can make the roots tougher and more prone to pithiness.