Photo: Chase MatheyCC BY 4.0via iNaturalistresized / cropped
Cretan rockcress Plant Care
Lutzia cretica (L.) Greuter & Burdet
Updated · Sources · How we source care data
This plant's silver-green, lance-shaped leaves with prominent silver veins make it an eye-catching addition to any collection. Originating from the Mediterranean region, Lutzia cretica's unique foliage and ability to thrive in hot, dry climates make it highly sought after by plant collectors looking for exotic and drought-tolerant species.
Every 7–14 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Cretan rockcress?
Water Cretan rockcress every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.
Where Is the Cretan rockcress Native To?
What Is the Cretan rockcress?
Cretan rockcress (Lutzia cretica) belongs to the Brassicaceae family within the Lutzia genus. Cretan rockcress is native to the Aegean Islands of Greece. Cretan rockcress is also known as Cretan brass buttons.
Cretan rockcress displays a low rosette, spreading growth habit, reaching up to tall with a spread of approximately 1 ft. Cretan rockcress produces small clusters of white, pink, or purple flowers.
How Often Should You Water a Cretan rockcress?
Lutzia cretica requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Cretan rockcress Need?
Cretan rockcress thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Cretan rockcress Prefer?
Lutzia cretica grows best at temperatures of 50–80°F. Cretan rockcress prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Cretan rockcress?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Cretan rockcress to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cretan rockcress?
Feed Cretan rockcress every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Cretan rockcress?
Repot every 1-2 years in early spring. 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 Cretan rockcress?
Cretan rockcress can be propagated through seeds, division of offsets.
Is the Cretan rockcress Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cretan rockcress, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Cretan rockcress?
Cretan rockcress is susceptible to aphids, cabbage worms, flea beetles. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Cretan rockcress Need?
Cretan rockcress grows outdoors in USDA Zone 9a – 10b. It survives winters down to planting zone 9a. Cretan rockcress is native to the Aegean Islands of Greece. In cooler regions, grow Cretan rockcress as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 10b
Keep exploring plants
Cretan rockcress 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 Lutzia genus — compare its care with other Lutzia species on PlantoScan.
Lutzia is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Cretan rockcress thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Lutzia cretica (L.) Greuter & Burdet, family Brassicaceae (first published in Willdenowia 13: 94 (1983)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cretan rockcress, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Chase Mathey, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 9a – 10b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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