Irish Sandwort Plant Care
Arenaria ciliata L.
Updated · Sources · How we source care data
Arenaria ciliata, the fringed sandwort, is a perennial herb of the family Caryophyllaceae. It is a calcicole occurring in open grassland and on bare rock in mountainous areas.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Irish Sandwort?
Water Irish Sandwort every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity.
What Is the Irish Sandwort?
Irish Sandwort (Arenaria ciliata) belongs to the Caryophyllaceae family within the Arenaria genus. Irish Sandwort is also known as Ciliate Sandwort.
Irish Sandwort displays a low mat-forming ground cover growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Irish Sandwort produces small white or pink flowers in clusters.
Leaf size: approximately 0.5 inches.
How Often Should You Water a Irish Sandwort?
Arenaria ciliata 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 Irish Sandwort Need?
Irish Sandwort thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Irish Sandwort Prefer?
Arenaria ciliata grows best at temperatures of 50–75°F. Irish Sandwort prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Irish Sandwort?
Well-draining sandy soil with added organic matter like compost or peat moss. Good drainage is essential for Irish Sandwort to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Irish Sandwort?
Divide and replant every 2-3 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 Irish Sandwort?
Irish Sandwort can be propagated through seeds, division of clumps. Similar propagation techniques also apply to large-flowered sandwort plant care, which shares the same genus.
Is the Irish Sandwort Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Irish Sandwort, 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 Irish Sandwort?
Irish Sandwort is susceptible to aphids, spider mites, slugs. 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 Irish Sandwort Need?
Irish Sandwort grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Irish Sandwort as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Irish Sandwort 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 Arenaria genus — compare its care with other Arenaria species on PlantoScan.
Arenaria is part of the Caryophyllaceae plant family — browse all Caryophyllaceae genera and species.
Irish Sandwort thrives in bright light and direct sun — see other bright-light plants.
More Arenaria Species
Other Arenaria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Arenaria ciliata L., family Caryophyllaceae (first published in Sp. Pl. : 425 (1753)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Irish Sandwort, 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.
- Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
- 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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