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Rough Goose Neck Moss

Hylocomiadelphus triquetrus

Also listed as Hylocomium triquetrum, Hypnum corrugatulum

groundcover🌥️ full shade💧💧💧 high water❄ Hardy: Zone 3a – Zone 8b

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A fine-textured moss with distinctive three-ranked leaves that create a feathery appearance. It thrives in moist, shaded woodland conditions and is useful for creating natural moss gardens or softening hardscape features.

Why grow it

Hylocomiadelphus triquetrus distinguishes itself among woodland mosses through its notably fine, feathery texture and three-ranked leaf arrangement, which creates visual interest in shaded garden settings. Compared to coarser moss species, it establishes readily in consistently moist, well-draining soils beneath trees or in north-facing locations, making it a reliable choice for naturalistic groundcovers where foot traffic is minimal.

Watch out for

This moss requires sustained moisture and air circulation; it will decline in dry conditions or where air movement is severely restricted. Compacted soils and heavy foot traffic will degrade colonies over time, so placement away from pathways or activity areas supports long-term establishment.

Overview

Form
Spreading
Growth Rate
slow
Size
0.1–0.3′ tall
Dormancy
evergreen
Family
Hylocomiaceae
Erosion control

Native Range

Northern temperate regions, Europe and Asia

Seasonality

Season of Interest

SpringSummerFallWinter

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Companion Planting

Plants well with