Saffron: How to Grow the World s Most Precious Spice
Herbs

Saffron: How to Grow the World s Most Precious Spice

Crocus sativus

Growing saffron: small bulb with autumn purple flowers and red stigmas. The world’s most precious spice, can be grown at home.

Characteristics

Scientific nameCrocus sativus
Height10-30 cm
Sunlightpieno sole
Waterbassa
Soilcalcareo drenante
Toxicitynon tossica
Growthlenta
Temperature-10 a 30 °C
FloweringOct, Nov
IrrigationWater rarely, only if very dry in autumn: in summer the bulbs are dormant and water rots them.

Saffron is a small bulb that blooms in autumn with elegant purple flowers, whose three dried red stigmas form the world’s most precious spice. It grows in full sun on calcareous well-drained soil and is planted in August for flowering between October and November. 150,000 flowers are needed for one kilo of spice.

Flowering season

JanFebMarAprMayJunJulAugSepOctNovDec

Practical tips

Watering

Water needs: bassa — always check soil moisture before watering.

Position

Prefers pieno sole: provide the right light and rotate the plant for even growth.

Substrate

Recommended soil: calcareo drenante. Refresh the substrate every 1-2 years.

Leaves

Dust the leaves with a damp cloth to support photosynthesis.

Feeding

Feed during the growing season (spring-summer) and stop in winter.

FAQ

When do you harvest saffron?
Flowers are picked at dawn in October-November before they open. The 3 red stigmas are immediately extracted and slowly dried at 40-50 °C.
Why is saffron so expensive?
It takes 150,000 flowers to produce 1 kg of dried saffron, harvested one by one by hand over a 2-3 week flowering window, with stigmas separated individually.

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