Cocozelle Italian Heirloom Zucchini
Cocozelle Italian Heirloom Zucchini: 55-65 days to harvest, 7-10 days to germinate, 36-48 inches between plants, pH 6.0-7.0, hardy in zones 3-11. Fruit runs to about 6-8 inches long, 2-3 inches diameter. Give it full sun (6+ hours) and 1-1.5 inches per week, consistent moisture water. It will crop in a container.

Sowing
Direct sow after last frost when soil reaches 65°F. Can start indoors 2-3 weeks before transplanting.
Cultivation
- Sun
- Full sun (6+ hours)
- Water
- 1-1.5 inches per week, consistent moisture
- Soil
- Rich, well-drained soil with plenty of compost
- Soil pH
- 6.0-7.0
- Spacing
- 36-48 inches
- Height
- 1-3 feet
- Season
- Warm season
Appearance & flavour
- Colour
- Dark green with light green to cream colored stripes
- Size
- 6-8 inches long, 2-3 inches diameter
- Shape
- Cylindrical with slight ribbing, classic zucchini form
- Flavour
- Rich, nutty, and sweet with firm, dense texture
In the kitchen
Italian dishes, grilling, sautéing, stuffing, ratatouille, bread, and frittatas
Pests, disease & resistance
- Pests
- Squash bugs, cucumber beetles, aphids, vine borers
- Diseases
- Powdery mildew, downy mildew, bacterial wilt
- Resistance
- Moderate resistance typical of heirloom varieties
Planting calendar by USDA zone
| Zone | Start indoors | Transplant | Direct sow | Harvest |
|---|---|---|---|---|
| 2 | — | — | June – August | September |
| 3 | — | — | June – July | September – October |
| 4 | — | — | June – July | August – October |
| 5 | — | — | May – June | August – September |
| 6 | — | — | May – June | August – September |
| 7 | — | — | April – June | July – September |
| 8 | — | — | April – May | July – August |
| 9 | — | — | March – April | June – July |
| 10 | — | — | February – April | May – July |
| 11 | — | — | January – March | April – June |
| 12 | — | — | January – March | April – June |
| 13 | — | — | January – March | April – June |
Companion planting
8 beneficial pairings indexed for this variety, 3 to avoid.
Avoid
Nutrition (per 100 g)
- Calories (per 100 g)
- 21
- Protein (g)
- 2.71
- Fat (g)
- 0.4
- Carbohydrate (g)
- 3.11
- Fibre (g)
- 1.1
- Vitamin A (µg)
- 25
- Vitamin C (mg)
- 34.1
- Vitamin B6 (mg)
- 0.142
- Folate (µg)
- 20
- Calcium (mg)
- 21
- Iron (mg)
- 0.79
- Magnesium (mg)
- 33
- Phosphorus (mg)
- 93
- Potassium (mg)
- 459
- Zinc (mg)
- 0.83
- Selenium (µg)
- 0.3
Where to buy seed and equipment
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Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.
Grown Cocozelle Italian Heirloom Zucchini?
Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.
Similar varieties
Other squash with a comparable time to harvest, so a season that suits Cocozelle Italian Heirloom Zucchini suits these too.
- Costata Romanesco Zucchini 52 days
- Carmine Splendor 51 days
- Yellow Crookneck Summer Squash 50 days
- Zucchini Green Machine 50 days
- Yellow Pattypan Squash (Sunburst) 50 days
- Tromboncino Squash 60 days