Stellaria subumbellata Plant Care
Stellaria subumbellata Edgew.
Updated · Sources · How we source care data
Stellaria irrigua is a species of flowering plant in the family Caryophyllaceae known by the common names umbrella starwort and umbellate starwort. It is native to western North America from Alaska and north-western Canada to the south-western United States, as well as parts of Asia, including Siberia.
Every 2–3 days
Part shade to full shade
50–75°F
40–60%
At a glance
How do you care for Stellaria subumbellata?
Water Stellaria subumbellata every 2–3 days, letting the top layer of soil dry out between waterings, and give it part shade to full shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity.
Where Is the Stellaria subumbellata Native To?
What Is the Stellaria subumbellata?
Stellaria subumbellata (Stellaria subumbellata) belongs to the Caryophyllaceae family within the Stellaria genus. Stellaria subumbellata is native to western North America from Alaska and north-western Canada to the south-western United States, as well as parts of Asia, including Siberia.
Stellaria subumbellata displays a low-growing, spreading perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1 ft. Stellaria subumbellata produces small white flowers with 5 deeply notched petals.
Leaf size: approximately 1 inches.
How Often Should You Water a Stellaria subumbellata?
Stellaria subumbellata requires watering every 2–3 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 2–3 days
Let soil partially dry between waterings
What Light Does the Stellaria subumbellata Need?
Stellaria subumbellata thrives in part shade to full shade. The optimal light range is 100–500 lux. Avoid placing Stellaria subumbellata in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Part shade to full shade
100–500 lux
What Temperature and Humidity Does the Stellaria subumbellata Prefer?
Stellaria subumbellata grows best at temperatures of 50–75°F. Stellaria subumbellata prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Stellaria subumbellata?
Moist, well-draining soil rich in organic matter. Good drainage is essential for Stellaria subumbellata to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Stellaria subumbellata?
Divide and repot every 2-3 years in 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 Stellaria subumbellata?
Stellaria subumbellata can be propagated through seeds, division. Similar propagation techniques also apply to smallflower starwort plant care, which shares the same genus.
Is the Stellaria subumbellata Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Stellaria subumbellata, 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 Stellaria subumbellata?
Stellaria subumbellata 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 Stellaria subumbellata Need?
Stellaria subumbellata grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Stellaria subumbellata is native to western North America from Alaska and north-western Canada to the south-western United States, as well as parts of Asia, including Siberia. In cooler regions, grow Stellaria subumbellata as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Stellaria subumbellata 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 Stellaria genus — compare its care with other Stellaria species on PlantoScan.
Stellaria is part of the Caryophyllaceae plant family — browse all Caryophyllaceae genera and species.
Stellaria subumbellata copes with lower light than most plants — browse the full list of low-light plants.
More Stellaria Species
Other Stellaria species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Stellaria subumbellata Edgew., family Caryophyllaceae (first published in Fl. Brit. India 1: 233 (1874)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Stellaria subumbellata, 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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