Ptilium crista-castrensis Moss in Terrariums
Moss Name: Ptilium crista-castrensis Moss
Common Names: Knights Plume Moss, Ostrich Plume Feather Moss
Moss Type: Feather Moss (Pleurocarpous)
Ptilium crista-castrensis, also known as soldier’s moss, is a type of moss that is commonly used in terrariums. It has a compact growth habit and produces small, cup-shaped leaves.
Ptilium crista-castrensis, more commonly known as soldier’s moss or pocket moss, is a small moss that typically grows in dense mats. It is found in temperate regions throughout the world, and is particularly common in Europe and North America. Soldier’s moss gets its name from its unique shape; the individual plants are small and compact, with narrow leaves that resemble the plumes on a medieval soldier’s helmet. The plant is also known for its ability to quickly colonize disturbed habitats, such as bare patches of earth her that have been exposed by erosion.

Growing Ptilium crista-castrensis Moss in Terrariums
Ptilium crista-castrensis is relatively easy to care for and can thrive in both low-light and high-humidity environments. When used in a terrarium, Ptilium crista-castrensis can help to create a naturalistic setting and provide essential coverage for the soil surface.
Ideal Conditions for Ptilium crista-castrensis Moss in Terrariums
Lighting: Ptilium crista-castrensis can tolerate some degree of shade. However, it does best in bright indirect light or filtered sunlight. This moss prefers a neutral to acidic soil pH and does not tolerate drought well. Ptilium crista-castrensis is an evergreen moss that forms dense mats of greenish-yellowish leaves.
Growing Medium: This moss prefers soils that are high in organic matter and that retain moisture well. In terms of pH, Ptilium crista-castrensis moss prefers neutral to slightly alkaline soils. This moss does not tolerate drought conditions well, and will quickly begin to die back if the soil it is growing in becomes too dry.
Temperature: Ptilium crista-castrensis moss is a type of moss that is particularly tolerant of cold temperatures. It can survive at temperatures as low as -15 degrees Celsius, or 5 degrees Fahrenheit. This makes it an ideal plant for growing in cold climates.
Humidity: Moss enjoys a high humidity environment.
Caring for it: like all terrarium moss, Ptilium crista-castrensis wants high humidity, bright indirect light, gentle airflow and consistently moist, never waterlogged, conditions. For the full method see our guide to caring for moss in terrariums.
Where to Buy Ptilium crista-castrensis Moss for Terrariums
Looking for live Ptilium crista-castrensis? In Australia, start with our guide to where to buy live moss. You can also search for Ptilium crista-castrensis on Amazon or browse the picks below.












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