Last edited on 2 Nov 2026. View history
Cocozelle Zucchini
A variety of zucchini
How to sow cocozelle zucchini: Direct seed indoors or outdoors
Sun requirement for cocozelle zucchini: Plant in Full Sun
An old bush courgette from overseas, long and green with lighter stripes, and very productive. The male flowers are edible. Sow in trays after frost danger, prick out at 6 cm and transplant at 1 m.
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Cocozelle zucchini facts
Lifespan
Crop 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 cocozelle zucchini, the FAO EcoCrop database gives a lowest growing temperature of 6°C and a shortest growing cycle of 40 days at its best temperature, about 700 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 cocozelle zucchini 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 cocozelle zucchini
- Sow seeds in pots 4 weeks before planting out
- Dig compost into the bed 1 week before planting out
- Harden off the seedlings 1 week before planting out
- Set or refill beer traps for slugs and snails at planting out every week
- Water deeply at the base 1 week after planting out every week
- Mulch around the plants 3 weeks after planting out
- Hand pollinate the female flowers 6 weeks after planting out
- Check leaves for powdery mildew 6 weeks after planting out every 2 weeks
- Feed with liquid fertiliser 6 weeks after planting out every 2 weeks
- Pick fruit while small at first harvest every week
- Pull out finished plants 3 months after first harvest
Plant cocozelle zucchini with
garlic
marjoram
chives
Video
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Ecological requirements
Data from the FAO EcoCrop database for Cucurbita pepo L.
| Family / Taxonomy | Magnoliopsida Dilleniidae Violales Cucurbitaceae |
|---|---|
| Life form | herb, vine |
| Life span | annual |
| Habit | climber/scrambler/scadent |
| 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 | short day (<12 hours), neutral day (12-14 hours), long day (>14 hours) |
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