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Last edited on January 27, 2021. View history

guntur sannam chili Guntur Sannam Chili

Capsicum Annuum var. Longhum

A variety of chili pepper

How to sow guntur sannam chili: Direct seed indoors, transplant seedlings outside after hardening off

Sun requirement for guntur sannam chili: Plant in Full Sun

The Guntur Sannam Chili is a Capsicum annuum variety of chili pepper from India that produces 5-15cm long fruit with thick red skin that have a Scoville rating of 35,000 to 40,000 units (similar to Cayenne which is rated at 30,000 - 50,000 SHU). Guntur Sannam is one of the most famous types of chiles and a significant commercial crop in India. It is used in curries or dried into a powder. Plants require a warm, humid climate and can be grown in containers in less temperate regions.

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Guntur sannam chili facts

Lifespan

Annual living and reproducing in a single year or less

Height × spread

0cm × 0cm

Row Spacing

0cm
Optimal temperature 17–30 °C
Absolute temperature 8–35 °C
FAO EcoCrop
Optimal rainfall 600–1250 mm/year
Absolute rainfall 500–1700 mm/year
FAO EcoCrop
Optimal soil pH 5.5–6.8
Absolute soil pH 4.5–7
FAO EcoCrop

Crop cycle

60–180 days
FAO EcoCrop

Max altitude

3000 m
FAO EcoCrop

Optimal light

very bright
FAO EcoCrop
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 guntur sannam chili, the FAO EcoCrop database gives a lowest growing temperature of 8°C and a shortest growing cycle of 60 days at its best temperature, about 930 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 guntur sannam chili 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 guntur sannam chilis

  1. Sow seeds indoors somewhere warm 10 weeks before planting out
  2. Pot on the seedlings 6 weeks before planting out
  3. Harden off the seedlings 1 week before planting out
  4. Set or refill beer traps for slugs and snails at planting out every week
  5. Stake the plants 2 weeks after planting out
  6. Water regularly at planting out every week
  7. Check for aphids 2 weeks after planting out every 2 weeks
  8. Feed with tomato fertiliser 6 weeks after planting out every 2 weeks
  9. Pick chillies regularly at first harvest every week
  10. Bring pots in before the first frost 3 months after first harvest

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Time to harvest

If sown now, expect a first harvest in about 60 to 180 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 Capsicum annuum L.

Family / Taxonomy Magnoliopsida
Asteridae
Solanales
Solanaceae
Life form herb
Life span annual
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)

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