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Broccoli Green Sprouting Calabrese forms a medium, round blue-green head about 13 cm across, followed by tender side shoots for a prolonged harvest.
View the South Africa-specific grow guide: Broccoli/Calabrese Grow Guide for South Africa
For local sowing and care, use our Green Sprouting Calabrese Grow Guide for South Africa and Broccoli Microgreens Grow Guide for South Africa.
Quick Grow Facts
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Plant Type: Cool-season heading vegetable
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Scientific Name: Brassica oleracea var. italica
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General Sowing Time: Summer to Autumn
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Position: Full sun
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Sow Depth: 5–10 mm
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Spacing: 30–45 cm plants; 45–60 cm rows
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Germination: 5–14 days at 15–20 °C
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Temperature: 15 - 20° C
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Days to Harvest: 65 - 120 days (10 days as a microgreen)
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Head Size: Approximately 13 cm
Why Grow This Variety
- Side shoots continue after the main head is harvested, extending the crop.
- The heirloom variety is valued for robust, traditional flavour.
- The heads can be steamed, boiled, roasted or stir-fried.
- Dark green, slightly crinkled leaves and blue-green heads add visual interest to the vegetable garden.
Garden Uses
Harvest the central head and later side shoots for steaming, boiling, roasting or stir-frying in home-grown meals.
Growing Notes
- Treat this as a cool-season heading crop: sow 5–10 mm deep and keep the seedbed evenly moist.
- Space plants 30–45 cm plants; 45–60 cm rows in fertile, well-drained soil.
- Maintain steady moisture during head formation and watch for caterpillars, aphids and heat stress.
- Harvest the central head while firm and before the flower buds open; side shoots may follow.
- Microgreen timing and density are different from this heading-crop guidance; use the separate microgreen instructions for that purpose.
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