Last edited on October 28, 2026. View history
Climbing Cobra Beans
A variety of green bean
Sun requirement for climbing cobra beans: Plant in Partial Sun
Green beans are the unripe, young fruit and protective pods of various cultivars of the common bean (Phaseolus vulgaris). Immature or young pods of the runner bean (Phaseolus coccineus), yardlong bean (Vigna unguiculata subsp. sesquipedalis), and hyacinth bean (Lablab purpureus) are used in a similar way.
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Climbing cobra beans facts
Lifespan
Row Spacing
20cm median of members' seed packetsGermination
7–10 days median of members' seed packetsCrop 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 climbing cobra beans, the FAO EcoCrop database gives a lowest growing temperature of 7°C and a shortest growing cycle of 50 days at its best temperature, about 675 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 climbing cobra beans 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 climbing cobra beans
Sunniness
Planted from
Video
Where climbing cobra beans grow
Only plantings by members who have set their locations are shown.
What people are saying about climbing cobra beans
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Who's planted climbing cobra beans
- shiny Raised Bed One · Wellington, NZ
shiny
Climbing cobra beans harvests
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Time to harvest
If sown now, expect a first harvest in about 50 to 270 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 Phaseolus vulgaris L.
| Family / Taxonomy | Magnoliopsida Rosidae Fabales Leguminosae |
|---|---|
| Life form | herb |
| Life span | annual |
| Habit | prostrate/procumbent/semi-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) |
Learn more about climbing cobra beans
Resources outside Growstuff.
