Last edited on October 08, 2019. View history
Yellow Cauliflower
A variety of cauliflower
How to sow yellow cauliflower: Sow seeds indoors, harden seedlings off before transplanting
Sun requirement for yellow cauliflower: Plant in Full Sun
Yellow Cauliflower is a cauliflower cultivar that forms yellow heads. It is a member of the Brassicaceae family. The solid, firm head resembles that of broccoli and sits atop a stalk. The head is wrapped in thick leaves that begin to open when the plant is ready for harvest. All cauliflower does best in cool weather.
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Yellow cauliflower facts
Lifespan
Height × spread
75cm × 30cmRow Spacing
60cmCrop cycle
Max altitude
Optimal light
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 yellow cauliflower, the FAO EcoCrop database gives a lowest growing temperature of 5°C and a shortest growing cycle of 60 days at its best temperature, about 750 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 yellow cauliflower 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 yellow cauliflowers
- Sow seeds in trays 5 weeks before planting out
- Dig compost into the bed 1 week before planting out
- Harden off the seedlings 1 week before planting out
- Net against cabbage white butterflies at planting out
- Set or refill beer traps for slugs and snails at planting out every week
- Water regularly at planting out every week
- Check leaves for caterpillars 2 weeks after planting out every week
- Feed with a nitrogen fertiliser 4 weeks after planting out
- Fold leaves over the curd to keep it white 2 weeks before first harvest
- Cut the head while it is still tight at first harvest
- Pull out the stalks 2 weeks after first harvest
Plant yellow cauliflowers with
garlic
Video
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Time to harvest
If sown now, expect a first harvest in about 60 to 120 days.
From the growing cycle in the FAO EcoCrop database, which is the same wherever it is grown.
Ecological requirements
Data from the FAO EcoCrop database for Brassica oleracea var. botrytis L. [L.]
| Family / Taxonomy | Magnoliopsida Dilleniidae Capparales Cruciferae |
|---|---|
| Killing temperature | growth: -5 °C, rest: -5 °C |
| Life form | herb |
| Life span | biennial |
| Habit | erect |
| Optimal soil depth | deep (>>150 cm) |
| Optimal soil texture | medium |
| Optimal soil fertility | high |
| Optimal soil drainage | well (dry spells) |
| Optimal soil salinity | low (<4 dS/m) |
| Photoperiod | short day (<12 hours), neutral day (12-14 hours), long day (>14 hours) |
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