Last edited by shiny on November 02, 2026. View history
Red Burgundy Onion
A variety of red onion
How to sow red Burgundy Onion: Direct seed indoors or plant sets (small bulbs) outside.
Sun requirement for red Burgundy Onion: Plant in Full Sun
Red onions are onion cultivars that have purplish red skin and white flesh tinged with red. They are members of the Allium family along with garlic and leeks. They have a sweet to mild flavor and can be eaten raw (in salads and guacamole), grilled, sautéed, or baked. Make sure to choose a variety suited to your day length.
- 3
- plantings
- 5
- harvests
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- seed packets
Red burgundy onion facts
Lifespan
Grown for
whole plant harvested 4 timesCrop 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 red Burgundy Onion, the FAO EcoCrop database gives a lowest growing temperature of 4°C and a shortest growing cycle of 85 days at its best temperature, about 1233 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 red Burgundy Onion 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.
How members grow red Burgundy Onions
Sunniness
Planted from
Harvested for
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Where red Burgundy Onions grow
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Who's planted red Burgundy Onions
- CloCkWeRX 07 - Rosewater Backyard Right · Rosewater, South...
CloCkWeRX
Red burgundy onion harvests
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CloCkWeRX harvested 1.
about 2 years ago
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CloCkWeRX harvested 1.
about 2 years ago
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CloCkWeRX harvested 1.
over 2 years ago
CloCkWeRX harvested 1.
View all red Burgundy Onion harvests
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Time to harvest
If sown now, expect a first harvest in about 85 to 175 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 Allium cepa L.
| Family / Taxonomy | Liliopsida Liliidae Asparagales Alliaceae |
|---|---|
| Life form | herb |
| Life span | biennial |
| Habit | erect |
| 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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