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Last edited by shiny on 10 Nov 2026. View history

Cumin

Cuminum cyminum
Also known as jeera (EN)

How to sow cumin: Direct seed indoors, transplant seedlings outside after hardening off

Sun requirement for cumin: Plant in Full Sun

Cumin is a flowering plant in the Apiaceae family grown for it's seeds, which are dried and used in a wide variety of cuisines, traditional medicine, and Ayurveda. Cumin is native to the Eastern Mediterranean and South Asia and related to parsley, caraway, and dill. A number of varieties exist; black and green are the most commonly grown. The plant has a thin, branched stem, slender green leaves, and pink or white flowers that grow in umbels. The flowers attract parasitic wasps and other beneficial insects, making Cumin a good companion plant. The seeds are oblong, ridged, and yellow-brown. The have a high oil content and a nutty, pungent flavor and aroma. Cumin grows best in a dry, moderately cool climate with temperatures between 25-30°C. It needs a hot summer with temperatures near 29°C for 3-4 months. Seeds can be started indoors and transplanted outside after temperatures are regularly above 16°C. To increase germination, soak seeds for 8 hours before sowing. Cumin takes about 120 days to produce seeds. Harvest the seeds by harvesting the entire plant and hanging it to dry after the pods have ripened and turned brown, but before they have split open. Once the plant is completely dry, place it in a bag and shake to collect the seeds.

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Cumin facts

Lifespan

Annual living and reproducing in a single year or less

Height × spread

50cm × 30cm

Row Spacing

30cm
Optimal temperature 16–20 °C
Absolute temperature 7–26 °C
FAO EcoCrop
Optimal rainfall 700–1000 mm/year
Absolute rainfall 600–1300 mm/year
FAO EcoCrop
Optimal soil pH 6–7
Absolute soil pH 4.8–7.8
FAO EcoCrop

Crop cycle

150–180 days
FAO EcoCrop

Optimal light

very bright to clear skies
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 cumin, the FAO EcoCrop database gives a lowest growing temperature of 7°C and a shortest growing cycle of 150 days at its best temperature, about 1650 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 cumin 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.

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Ecological requirements

Data from the FAO EcoCrop database for Carum carvi L.

Family / Taxonomy Magnoliopsida
Rosidae
Apiales
Umbelliferae
Life form herb
Life span annual, biennial, perennial
Habit erect
Optimal soil depth medium (50-150 cm)
Optimal soil texture medium
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 cumin

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