None known Plant Care
Schoenobryum subrobustum (Broth. & P.de la Varde) Manuel
Updated · Sources · How we source care data
This unique moss species is easily identified by its distinctive star-shaped rosettes of tiny, toothed leaves. Originating from the temperate regions of Europe and Asia, Schoenobryum subrobustum is highly sought after by plant collectors for its striking appearance and rarity in cultivation. With its compact growth habit and vibrant green color, this moss is a must-have for any enthusiast looking to add an eye-catching specimen to their collection.
Every 7–14 days
Low to medium indirect light
60–75°F
50–70%
At a glance
How do you care for None known?
Water None known every 7–14 days, letting the top layer of soil dry out between waterings, and give it low to medium indirect light. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 8 months during the growing season.
What Is the None known?
None known (Schoenobryum subrobustum) belongs to the Cryphaeaceae family within the Schoenobryum genus. None known is native to North America, Europe, Asia.
None known displays a low mat-forming growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. None known produces tiny inconspicuous flowers.
Leaf size: approximately 0.2 inches.
How Often Should You Water a None known?
Schoenobryum subrobustum 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 None known Need?
None known thrives in low to medium indirect light. The optimal light range is 50–250 lux. Avoid placing None known in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Low to medium indirect light
50–250 lux
What Temperature and Humidity Does the None known Prefer?
Schoenobryum subrobustum grows best at temperatures of 60–75°F. None known prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a None known?
Well-draining acidic soil mix with high organic content. Good drainage is essential for None known to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a None known?
Feed None known every 8 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 8 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 None known?
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 None known?
None known can be propagated through spores, division of clumps. Similar propagation techniques also apply to blumenau's shaggy moss plant care, which shares the same genus.
Is the None known Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list None known, 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 None known?
None known is susceptible to moss 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 None known Need?
None known grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. None known is native to North America, Europe, Asia. In cooler regions, grow None known as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
None known 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 Schoenobryum genus — compare its care with other Schoenobryum species on PlantoScan.
Schoenobryum is part of the Cryphaeaceae plant family — browse all Cryphaeaceae genera and species.
None known copes with lower light than most plants — browse the full list of low-light plants.
More Schoenobryum Species
Other Schoenobryum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Schoenobryum subrobustum (Broth. & P.de la Varde) Manuel, family Cryphaeaceae (first published in Bryologist 80: 524 1977) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list None known, 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 13a, 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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