Last edited by shiny on 9 Nov 2026. View history
Early Siberian Tomato
A variety of tomato
Sun requirement for early Siberian tomato: Plant in Full Sun
Siberian tomato is a variety of tomato. It is called "Siberian,"because it is capable of setting fruit at 38 degrees F; however, it is still not very frost hardy
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Early siberian tomato facts
Lifespan
Height × spread
60cm × 35cmRow Spacing
5cmCrop 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 early Siberian tomato, the FAO EcoCrop database gives a lowest growing temperature of 7°C and a shortest growing cycle of 70 days at its best temperature, about 1155 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 early Siberian tomato 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 early Siberian tomatoes
- Sow seeds indoors 6 weeks before planting out
- Harden off the seedlings 1 week before planting out
- Stake or cage the plants 1 week after planting out
- Water deeply 2 weeks after planting out every week
- Pinch out side shoots 3 weeks after planting out every 2 weeks
- Feed with tomato fertiliser 6 weeks after planting out every 2 weeks
- Check for first ripe fruit 1 week before first harvest
- Pull out finished plants 4 weeks after first harvest
Plant early Siberian tomatoes with
basil
carrot
chives
black beauty eggplant
Photos
PhotosEarly siberian tomato seeds
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Ecological requirements
Data from the FAO EcoCrop database for Lycopersicon esculentum Mill.
| Family / Taxonomy | Magnoliopsida Asteridae Solanales Solanaceae |
|---|---|
| Life form | herb |
| Life span | annual |
| Habit | prostrate/procumbent/semi-erect |
| Optimal soil depth | shallow (20-50 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) |
Learn more about early Siberian tomatoes
Resources outside Growstuff.
