Last edited on March 04, 2015. View history
Osmin Purple Basil
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- seed packets
Osmin purple basil facts
Lifespan
Crop cycle
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 osmin purple basil, the FAO EcoCrop database gives a lowest growing temperature of 7°C and a shortest growing cycle of 80 days at its best temperature, about 1240 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 osmin purple basil 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 osmin purple basils
- Sow seeds indoors 6 weeks before planting out
- Harden off the seedlings 1 week before planting out
- Water regularly at planting out every week
- Pinch out the growing tips 3 weeks after planting out every 2 weeks
- Pick leaves regularly at first harvest every week
- Pinch off flower buds 8 weeks after planting out every 2 weeks
- Pull out finished plants 12 weeks after first harvest
How members grow osmin purple basils
Sunniness
Planted from
Plant osmin purple basils with
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Where osmin purple basils grow
Only plantings by members who have set their locations are shown.
What people are saying about osmin purple basils
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Who's planted osmin purple basils
- Lizardlicks Seed Tray · Spokane, WA
Osmin purple basil harvests
Nobody has harvested this crop yet.
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Ecological requirements
Data from the FAO EcoCrop database for Ocimum basilicum L.
| Family / Taxonomy | Magnoliopsida Asteridae Lamiales Labiatae |
|---|---|
| Life form | herb |
| Life span | annual |
| Habit | erect |
| Optimal soil depth | shallow (20-50 cm) |
| Optimal soil texture | medium |
| 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) |
Learn more about osmin purple basils
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