Last edited by shiny on 8 Nov 2026. View history
Kuroda Carrot
A variety of carrot
How to sow Kuroda carrot: Direct Seed, thin to 3cm apart when seedlings are 8cm high
Sun requirement for Kuroda carrot: Plant in Full Sun
A refined Chantenay-type carrot developed in Asia in the 1950s, with stubby, thick-shouldered, smooth, uniform, tapered roots in light to deep orange. Best harvested at about 13 cm long and 5 cm across. A good juicer that grows in poor soil, maturing in 75 to 80 days. Direct scatter-sow in summer when the soil is warm and moist, and cover the seedbed until most seeds have two leaves.
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Kuroda carrot facts
Lifespan
What are growing degree days?
A plant grows with warmth, not with days. A growing degree day is one day's worth of useful warmth: how many degrees the day's average temperature is above the lowest temperature the crop grows at. Add them up from planting and you know how far along the crop is, whatever the calendar says.
Say that lowest temperature is 10°C. A day averaging 17°C gives 7 growing degree days. A day averaging 8°C gives none, as it is too cold for the crop to grow. That is why the same lettuce takes about 50 days in a summer and 90 in an autumn: it needs the same total warmth either way.
For Kuroda carrot, the FAO EcoCrop database gives a lowest growing temperature of 3°C and a shortest growing cycle of 40 days at its best temperature, about 660 growing degree days to a first harvest.
Where you've told us where your garden is, we use this and the weather there to predict when your Kuroda carrot will be ready to harvest. We don't use it for how long a plant lives or when it finishes: we go by what members have logged for that.
Growing Kuroda carrots
- Dig the bed fine and stone free 1 week before sowing
- Keep the seed bed moist at sowing every week
- Thin the seedlings 3 weeks after sowing
- Weed between the rows 4 weeks after sowing every 2 weeks
- Start pulling young carrots at first harvest
- Lift the rest of the crop 8 weeks after first harvest
Plant Kuroda carrots with
peter pepper
pineapple tomato
rainbow carrot
Bonnie Little Bing Compact Cherry Tomato
Photos
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Video
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Ecological requirements
Data from the FAO EcoCrop database for Daucus carota L.
| Family / Taxonomy | Magnoliopsida Rosidae Apiales Umbelliferae |
|---|---|
| Optimal temperature | 15 - 24 °C |
| Absolute temperature | 3 - 30 °C |
| Killing temperature | growth: 0 °C, rest: -1 °C |
| Optimal rainfall | 600 - 1200 mm/year |
| Absolute rainfall | 400 - 4000 mm/year |
| Optimal soil pH | 5.8 - 6.8 |
| Absolute soil pH | 4.2 - 8.7 |
| Crop cycle | 40 - 150 days |
| Max altitude | 2600 m |
| Life form | herb |
| Life span | biennial |
| Habit | erect |
| Optimal soil depth | medium (50-150 cm) |
| Optimal soil texture | medium, organic |
| Optimal soil fertility | moderate |
| Optimal soil drainage | well (dry spells) |
| Optimal soil salinity | low (<4 dS/m) |
| Photoperiod | long day (>14 hours) |
| Optimal light | clear skies to cloudy skies |
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