Sea Rupturewort Plant Care
Herniaria maritima Link
Updated · Sources · How we source care data
Herniaria maritima is a species of flowering plant in the family Caryophyllaceae, endemic to coastal Portugal. It inhabits coastal dunes, mainly in clearings of creeping forests and Junipers in fixed dunes, on sandy, neutral or basic substrates.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for Sea Rupturewort?
Water Sea Rupturewort 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.
Where Is the Sea Rupturewort Native To?
What Is the Sea Rupturewort?
Sea Rupturewort (Herniaria maritima) belongs to the Caryophyllaceae family within the Herniaria genus. Sea Rupturewort is native to coastal Portugal. Sea Rupturewort is also known as Shore Rupturewort.
Sea Rupturewort displays a low mat-forming ground cover growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Sea Rupturewort produces tiny greenish-white flowers.
Leaf size: approximately 0.2 inches.
How Often Should You Water a Sea Rupturewort?
Herniaria maritima 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 Sea Rupturewort Need?
Sea Rupturewort thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sea Rupturewort Prefer?
Herniaria maritima grows best at temperatures of 50–75°F. Sea Rupturewort prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Sea Rupturewort?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Sea Rupturewort to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Sea Rupturewort?
Repot 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 Sea Rupturewort?
Sea Rupturewort can be propagated through seeds, division of clumps. Similar propagation techniques also apply to hairy rupturewort plant care, which shares the same genus.
Is the Sea Rupturewort Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sea Rupturewort, 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 Sea Rupturewort?
Sea Rupturewort is susceptible to aphids, spider mites. 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 Sea Rupturewort Need?
Sea Rupturewort grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Sea Rupturewort is native to coastal Portugal. In cooler regions, grow Sea Rupturewort as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Sea Rupturewort 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 Herniaria genus — compare its care with other Herniaria species on PlantoScan.
Herniaria is part of the Caryophyllaceae plant family — browse all Caryophyllaceae genera and species.
Sea Rupturewort 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: Herniaria maritima Link, family Caryophyllaceae (first published in J. Bot. (Schrader) 1799(1): 57 (1799)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sea Rupturewort, 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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