Photo: Mud_SkipperCC BY 4.0via iNaturalistresized / cropped
Insigne Feathermoss Plant Care
Plagiomnium insigne (Mitt.) T.J.Kop.
Updated · Sources · How we source care data
With its intricately toothed edges and vibrant green color, this plant from Japan stands out for its unique leaf shape. Plant collectors are drawn to Plagiomnium insigne for its rarity and elusive nature, making it a prized addition to any collection of mosses.
Every 3–7 days
Low to medium indirect light
50–70°F
60–80%
At a glance
How do you care for Insigne Feathermoss?
Water Insigne Feathermoss every 3–7 days, letting the top layer of soil dry out between waterings, and give it low to medium indirect light. It prefers temperatures of 50–70°F (10–21°C) and 60–80% humidity. Fertilize it every month during the growing season.
Where Is the Insigne Feathermoss Native To?
What Is the Insigne Feathermoss?
Insigne Feathermoss (Plagiomnium insigne) belongs to the Mniaceae family within the Plagiomnium genus. Insigne Feathermoss is native to western North America. Insigne Feathermoss is also known as Insigne Plagiomnium.
Insigne Feathermoss displays a low mat-forming growth habit, reaching up to tall with a spread of approximately 1 ft. Insigne Feathermoss produces non-flowering plant.
How Often Should You Water a Insigne Feathermoss?
Plagiomnium insigne 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 Insigne Feathermoss Need?
Insigne Feathermoss thrives in low to medium indirect light. Avoid placing Insigne Feathermoss in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Low to medium indirect light
What Temperature and Humidity Does the Insigne Feathermoss Prefer?
Plagiomnium insigne grows best at temperatures of 50–70°F. Insigne Feathermoss prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
50–70°F
Humidity
60–80%
What Soil Mix Works Best for a Insigne Feathermoss?
Moist, well-draining soil with high organic content. Good drainage is essential for Insigne Feathermoss to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Insigne Feathermoss?
Feed Insigne Feathermoss every month 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 month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Insigne Feathermoss?
Rarely requires repotting, prefers stable environment. 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 Insigne Feathermoss?
Insigne Feathermoss can be propagated through spores.
Is the Insigne Feathermoss Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Insigne Feathermoss, 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 Insigne Feathermoss?
Insigne Feathermoss is susceptible to fungal diseases, moss 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 Insigne Feathermoss Need?
Insigne Feathermoss grows outdoors in USDA Zone 5a – 9b. It survives winters down to planting zone 5a. Insigne Feathermoss is native to western North America.
Hardiness Zone
Zone 5a – 9b
Keep exploring plants
Insigne Feathermoss 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 Plagiomnium genus — compare its care with other Plagiomnium species on PlantoScan.
Plagiomnium is part of the Mniaceae plant family — browse all Mniaceae genera and species.
Insigne Feathermoss 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: Plagiomnium insigne (Mitt.) T.J.Kop., family Mniaceae (first published in Ann. Bot. Fenn. 5: 146 1968) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Insigne Feathermoss, 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.
- Photo: Mud_Skipper, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 5a – 9b, estimated from the plant's typical growing conditions.
- 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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