Common Haircap Moss (Polytrichum Commune) is a perennial moss in the Polytrichaceae family with easy care difficulty. It requires very high watering and partial shade or full shade light in USDA hardiness zones 2-8. This plant is safe for cats and dogs.

A robust, perennial moss forming tall tufts and colonies, notable for its hair-like calyptra and upright stems.

Common Haircap Moss

Common Haircap Moss

Polytrichum Commune

A robust, perennial moss forming tall tufts and colonies, notable for its hair-like calyptra and upright stems.

Quick Facts

Type
moss
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
very high
Light
Partial Shade, Full Shade
Hardiness Zones
2-8

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:peaty, sandy, loamy
Indoor:No
Outdoor:Yes
Garden Use:groundcover, erosion control, moisture retention

Care Calendar

Monthly care tasks for Common Haircap Moss

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Common Haircap Moss
Common Haircap Moss detail

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Taxonomy

Family:Polytrichaceae
Genus:Polytrichum