(c) Andrea Monsalve, some rights reserved (CC BY)
iNaturalist
Crocus Plant Care
Crocus sativus L.
This plant's most distinctive visual feature is its vibrant purple petals that stand out against its green foliage. Originating from the Mediterranean region, Crocus sativus is highly sought after by plant collectors for its valuable saffron threads, making it a prized addition to any garden.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
What Is the Crocus?
Crocus (Crocus sativus) belongs to the Iridaceae family within the Crocus genus. Crocus is also known as Saffron Crocus, Saffron, Autumn Crocus.
Crocus displays a low-growing herbaceous perennial growth habit, reaching up to 0.5 inches tall with a spread of approximately 0.25 inches. Crocus produces showy, cup-shaped flowers in various colors.
Leaf size: approximately 6 inches.
How Often Should You Water a Crocus?
Crocus sativus requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Crocus Need?
Crocus thrives in full sun to partial shade light conditions. The optimal light range is 1000–5000 lux. Avoid placing Crocus in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
1000–5000 lux
What Temperature and Humidity Does the Crocus Prefer?
Crocus sativus grows best at temperatures between 50°F and 75°F. Crocus prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Crocus?
Well-draining sandy soil with good organic content. Good drainage is essential for Crocus to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Crocus?
Divide and replant corms every 3-5 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Crocus?
Crocus can be propagated through division of corms, seeds. Similar propagation techniques also apply to snow crocus plant care, which shares the same genus.
Fertilizing
Every 0 months
During the growing season
Is the Crocus Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Crocus?
Crocus is susceptible to aphids, thrips. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Crocus Need?
Crocus grows outdoors in USDA Zone 12a. In cooler regions, grow Crocus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Crocus is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Crocus genus — compare its care with other Crocus species on PlantoScan.
Crocus tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
More Crocus Species
Other Crocus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
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