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Last edited on 2 Nov 2026. View history

Tolli's sweet red pepper Tolli's Sweet Red Pepper

Capsicum annuum

A variety of capsicum

How to sow Tolli's sweet red pepper: Direct seed indoors, transplant seedlings outside after hardening off

Sun requirement for Tolli's sweet red pepper: Plant in Full Sun

A sweet red Italian heirloom pepper, medium-sized and tapered rather than blocky, with sweet, flavourful flesh. Very prolific over a long season and eaten fresh.

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Tolli's sweet red pepper facts

Lifespan

Annual living and reproducing in a single year or less
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 Tolli's sweet red pepper, 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 Tolli's sweet red pepper 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 Tolli's sweet red peppers

  1. Sow seeds indoors 8 weeks before planting out
  2. Harden off the seedlings 1 week before planting out
  3. Stake the plants 3 weeks after planting out
  4. Water regularly at planting out every week
  5. Feed with liquid fertiliser 6 weeks after planting out every 2 weeks
  6. Pick fruit regularly at first harvest every week
  7. Pull out finished plants 6 weeks after first harvest

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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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