Didymodon mamillosus Plant Care
Didymodon mamillosus (Crundw.) M.O.Hill
Updated · Sources · How we source care data
Didymodon mamillosus, commonly known as Perthshire beardmoss, is a species of moss endemic to Europe. It occurs at only five sites including one in Scotland where it is classified as "Critically Endangered".
Every 3–5 days
Partial to full shade
60–75°F
40–60%
At a glance
How do you care for Didymodon mamillosus?
Water Didymodon mamillosus every 3–5 days, letting the top layer of soil dry out between waterings, and give it partial to full shade. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity.
Where Is the Didymodon mamillosus Native To?
- Albania
- Austria
- Belarus
- Belgium
- Bosnia and Herzegovina
- Bulgaria
- Croatia
- Cyprus
- Czechia
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Lithuania
- Luxembourg
- Malta
- Moldova
- Montenegro
- North Macedonia
- Norway
- Poland
- Portugal
- Romania
- Russia
- Serbia
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- The Netherlands
- Ukraine
- United Kingdom
What Is the Didymodon mamillosus?
Didymodon mamillosus (Didymodon mamillosus) belongs to the Pottiaceae family within the Didymodon genus. Didymodon mamillosus is native to Europe.
Didymodon mamillosus displays a low mat-forming ground cover growth habit, reaching up to 0.1 ft tall with a spread of approximately 0.5 ft. Didymodon mamillosus produces small inconspicuous flowers, primarily grown for foliage.
Leaf size: approximately 0.2 inches.
How Often Should You Water a Didymodon mamillosus?
Didymodon mamillosus requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Didymodon mamillosus Need?
Didymodon mamillosus thrives in partial to full shade. The optimal light range is 100–500 lux. Avoid placing Didymodon mamillosus in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial to full shade
100–500 lux
What Temperature and Humidity Does the Didymodon mamillosus Prefer?
Didymodon mamillosus grows best at temperatures of 60–75°F. Didymodon mamillosus prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Didymodon mamillosus?
Well-draining sandy soil mix with high organic content. Good drainage is essential for Didymodon mamillosus to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Didymodon mamillosus?
Repot every 1-2 years to refresh soil. 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 Didymodon mamillosus?
Didymodon mamillosus can be propagated through spores, division of clumps. Similar propagation techniques also apply to didymodon tomaculosus plant care, which shares the same genus.
Is the Didymodon mamillosus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Didymodon mamillosus, 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 Didymodon mamillosus?
Didymodon mamillosus is susceptible to occasional issues with mites and aphids. 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 Didymodon mamillosus Need?
Didymodon mamillosus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Didymodon mamillosus is native to Europe. In cooler regions, grow Didymodon mamillosus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Didymodon mamillosus 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 Didymodon genus — compare its care with other Didymodon species on PlantoScan.
Didymodon is part of the Pottiaceae plant family — browse all Pottiaceae genera and species.
Didymodon mamillosus copes with lower light than most plants — browse the full list of low-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Didymodon mamillosus (Crundw.) M.O.Hill, family Pottiaceae (first published in J. Bryol. 11: 599 1981) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Didymodon mamillosus, 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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