Cushion Moss (Pillow Moss) care guide
Leucobryum glaucum · Leucobryaceae
Cushion Moss (Leucobryum glaucum) is a terrarium plant. It belongs to the Leucobryaceae family. It is native to Temperate Northern Hemisphere: Europe, eastern North America and parts of Asia. It needs low light. Water temperature: 15°C – 24°C. Care difficulty: Moderate (often rots or browns in closed jars). Growth rate: slow.
How do you care for Cushion Moss (Pillow Moss)?
| Light | Low (part to full shade; avoid direct sun through glass) |
|---|---|
| CO₂ | Moderate humidity (about 50% – 80%); more drought-tolerant than most mosses — constant wetness is the risk, not a need |
| Temperature | 15°C – 24°C |
| Placement | Accent mound on the terrarium floor, rock or wood (not a ground-cover carpet); acidic, well-drained base |
| Growth | Slow |
| Difficulty | Moderate (often rots or browns in closed jars) |
| Family | Leucobryaceae |
How do you trim and propagate Cushion Moss (Pillow Moss)?
No trimming needed — it grows slowly and keeps its dome naturally. Broken fragments root and grow on when kept moist.
What problems affect Cushion Moss (Pillow Moss)?
Brown, soft or collapsing centre from rot in standing moisture or poor drainage; a pale whitish-grey colour is simply drying out (normal — it greens up again when wet); fuzzy mould on the surface in a saturated sealed jar.
How do you fix Cushion Moss (Pillow Moss) problems?
Raise the cushion, water less and improve airflow; mist it when it turns pale. Soft, low-mineral water suits this acid-loving moss, but the key is avoiding waterlogging.
Where does Cushion Moss (Pillow Moss) come from?
Temperate Northern Hemisphere: Europe, eastern North America and parts of Asia · Biotope regions: terrestrial.
What should you know before buying Cushion Moss (Pillow Moss)?
Listed on Annex V of the EU Habitats Directive (92/43/EEC), so wild harvesting is regulated; it is one of the most heavily (sometimes illegally) collected decorative mosses in Central Europe. Buy cultivated moss.
Sources
- Leucobryum glaucum — Wikipedia
- Pincushion Moss (Leucobryum glaucum) — Illinois Wildflowers (John Hilty)
- Pincushion Mosses (Leucobryum) — Missouri Department of Conservation
- The Science of PinCushion Moss — Moss & Stone Gardens (moss nursery)
- S1400 Leucobryum glaucum — Habitats Directive Article 17 report 2019 — JNCC
- Large-Scale Illegal Bryophyte Harvesting in Protected Areas of East-Central Europe, Hungary — Plants (MDPI)
- Leucobryum glaucum care tips — Terrarium Tribe
Care details checked against these sources on 2026-09-23.
Which aquascapes and tanks use Cushion Moss (Pillow Moss)?
See Cushion Moss (Pillow Moss) in a living world
- Driftwood Study — terrarium
- Iron Bridge Ravine — terrarium
- Zen Mountain Stream & Buddha Shrine — paludarium
- Ancient Zen Pagoda & Bridge — terrarium
- Karesansui Dry Zen Garden — terrarium
- Tropical Jar Forest — terrarium
- Zen Moss Landscape — terrarium
- Cloud Forest Mossarium — terrarium
Last updated · Open the interactive 3D guide · All species care guides