Plant guide

Saffron Crocus.

Crocus sativus

Pronounced KROH-kus sah-TEE-vus

Also known as Italian Crocus, Saffron Crocus, autumn crocus, saffron

The saffron crocus is a charming bulbous perennial famous for producing the world's most expensive spice. It blooms in autumn with lovely purple flowers and bright red stigmas. These plants are quite hardy and thrive in well draining soil.

At a glance

Care level: Moderate
Plant type: Bulbous perennial
Light: Full sun
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 6 to 10 inches
Growth rate: Medium

Care

Plant your corms in a sunny spot with excellent drainage to prevent rot. Watch for yellowing leaves which can indicate too much moisture in the soil. Ensure the bulbs have a dry dormant period during the summer months.

Watering: Water moderately during the growing season but keep dry while dormant.
Feeding: Apply a balanced bulb fertilizer once in early autumn as growth begins.
Pruning: Remove dead foliage only after it has turned completely brown and withered.
Repotting: Divide and repot corms every few years to prevent overcrowding.
Soil: Sandy or loamy well draining soil
Soil pH: 6.0 to 8.0

Safety

Pets: This plant is considered toxic to cats and dogs if ingested.

How to identify it

Bright purple petals
Three long red stigmas
Grass like foliage
Corm based growth habit

Science

Family: Iridaceae
Genus: Crocus
Order: Asparagales
Class: Liliopsida

Taxonomy resolved against GBIF.

Also in

Plants toxic to cats and dogs

Is your saffron crocus looking unwell?

This page is a general guide. Pocket Botanist diagnoses problems from a photo of your actual plant, works out watering for your light and conditions, and reminds you when care is due.

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.