Last edited on February 03, 2024. View history
Sprouting Broccoli Summer Purple
A variety of broccoli
How to sow sprouting broccoli summer purple: Sow seeds indoors and transplant outside
Sun requirement for sprouting broccoli summer purple: Plant in Full Sun
Broccoli has large flower heads known as "crowns" that are green to blue-green in color, grouped tightly together atop a thick stem, and surrounded by leaves. Broccoli resembles cauliflower, a different cultivar in its species. It thrives in cool weather.
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Sprouting broccoli summer purple 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 sprouting broccoli summer purple, the FAO EcoCrop database gives a lowest growing temperature of 3°C and a shortest growing cycle of 80 days at its best temperature, about 1320 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 sprouting broccoli summer purple 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 sprouting broccoli summer purple
- 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
- Cut the main head while the buds are tight at first harvest
- Pick the side shoots 1 week after first harvest every week
- Pull out finished plants 8 weeks after first harvest
How members grow sprouting broccoli summer purple
Sunniness
Planted from
Plant sprouting broccoli summer purple with
everest broccoli
Photos
Photos
Sprouting broccoli summer purple crops
Video
Where sprouting broccoli summer purple grow
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Who's planted sprouting broccoli summer purple
Doveoscar
Sprouting broccoli summer purple harvests
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Ecological requirements
Data from the FAO EcoCrop database for Brassica oleracea var. italica L. [Plenck]
| Family / Taxonomy | Magnoliopsida Dilleniidae Capparales Cruciferae |
|---|---|
| Killing temperature | growth: -1 °C, rest: -5 °C |
| Life form | herb |
| Life span | biennial |
| Habit | erect |
| Optimal soil depth | medium (50-150 cm) |
| Optimal soil texture | medium, organic |
| 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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