Lyell's Bristle Moss Plant Care
Orthotrichum lyellii Hook. & Taylor
Updated · Sources · How we source care data
Orthotrichum lyellii, also known as Lyell's bristle moss, is a species of acrocarpous moss belonging to the family Orthotrichaceae. O.
Every 3–7 days
Filtered light, avoid direct sun
60–75°F
50–70%
At a glance
How do you care for Lyell's Bristle Moss?
Water Lyell's Bristle Moss every 3–7 days, letting the top layer of soil dry out between waterings, and give it filtered light, avoid direct sun. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity.
What Is the Lyell's Bristle Moss?
Lyell's Bristle Moss (Orthotrichum lyellii) belongs to the Orthotrichaceae family within the Orthotrichum genus.
Lyell's Bristle Moss displays a mat-forming, spreading growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Lyell's Bristle Moss produces tiny, inconspicuous flowers.
Leaf size: approximately 0.2 inches.
How Often Should You Water a Lyell's Bristle Moss?
Orthotrichum lyellii requires watering every 3–7 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 3–7 days
Let soil partially dry between waterings
What Light Does the Lyell's Bristle Moss Need?
Lyell's Bristle Moss thrives in filtered light, avoid direct sun.
Light Requirement
Filtered light, avoid direct sun
What Temperature and Humidity Does the Lyell's Bristle Moss Prefer?
Orthotrichum lyellii grows best at temperatures of 60–75°F. Lyell's Bristle Moss 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 Lyell's Bristle Moss?
Well-draining soil mix with high organic content. Good drainage is essential for Lyell's Bristle Moss to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Lyell's Bristle Moss?
Repot every 1-2 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 Lyell's Bristle Moss?
Lyell's Bristle Moss can be propagated through spores, division of clumps. Similar propagation techniques also apply to orthotrichum casasianum plant care, which shares the same genus.
Is the Lyell's Bristle Moss Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Lyell's Bristle Moss, 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 Lyell's Bristle Moss?
Lyell's Bristle Moss is susceptible to aphids, spider mites, mealybugs. 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 Lyell's Bristle Moss Need?
Lyell's Bristle Moss grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Lyell's Bristle Moss as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Lyell's Bristle Moss 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 Orthotrichum genus — compare its care with other Orthotrichum species on PlantoScan.
Orthotrichum is part of the Orthotrichaceae plant family — browse all Orthotrichaceae genera and species.
Lyell's Bristle Moss 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: Orthotrichum lyellii Hook. & Taylor, family Orthotrichaceae (first published in Muscol. Brit. 76. 22 1818) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Lyell's Bristle Moss, 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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