Last edited by shiny on 8 Nov 2026. View history
Tomato Sub Arctic Plenty
Tomato Sub Arctic Plenty
A variety of tomato
One of the World’s Earliest Tomato. Suitable for regions closer to the poles, where season is short, and in temperate regions where you can harvest the crop before insects and disease start to take over. It will set fruit in temperatures lower than most. Cold tolerant. It was developed in the 1940's to provide military troops in Greenland with fresh tomatoes. Grows in clusters. Excellent choice for home gardens. A variety developed by Dr. Harris at Beaverlodge Research Station, Alberta, Canada. United States Department of Agriculture
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Tomato sub arctic plenty facts
Lifespan
Growing Degree Days
50Crop 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.
Tomato sub arctic plenty needs about 50 growing degree days.
For tomato sub arctic plenty, 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 tomato sub arctic plenty 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 tomato sub arctic plenties
- 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
How members grow tomato sub arctic plenties
Sunniness
Planted from
Plant tomato sub arctic plenties with
carrot
chives
black beauty eggplant
Photos
PhotosTomato sub arctic plenty plantings
Tomato sub arctic plenty seeds
Video
Where tomato sub arctic plenties grow
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Who's planted tomato sub arctic plenties
- shiny Brick lined garden beside the garage 🍅🧱 · Wellington, NZ
Tomato sub arctic plenty harvests
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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 tomato sub arctic plenties
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