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Deeproot Clubmoss

Diphasiastrum tristachyum

Last reviewed: July 2026

Deeproot Clubmoss (Diphasiastrum tristachyum)
Photo: Bernd Haynold / Wikimedia Commons (CC BY-SA 3.0)

Light

part shade

Water

medium

Size

6"–12" H × 12"–24" W

Bloom

N/A

Native to

AL, AR, CT, DE and 27 more states

Diphasiastrum tristachyum is a low-growing clubmoss that forms dense, evergreen mats with distinctive branching stems. This native groundcover spreads slowly by underground runners and maintains its blue-green foliage year-round. It thrives in partially shaded areas with consistent moisture and well-draining soil.

In an HOA neighborhood

Deeproot Clubmoss takes more care to keep looking intentional in a front yard. Maintenance level: high. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Unfamiliar appearance may be mistaken for moss or weeds
  • Very slow establishment can look sparse initially
  • Requires specialized growing conditions that may be difficult to maintain

Wildlife value

This clubmoss provides shelter for small insects and ground-dwelling creatures. While it doesn't produce flowers or attract pollinators, it offers habitat structure in woodland garden settings.

Common questions

How much sun does Deeproot Clubmoss need?
Deeproot Clubmoss grows best in part shade conditions.
Where is Deeproot Clubmoss native?
Deeproot Clubmoss (Diphasiastrum tristachyum) is native to AL, AR, CT, DE and 27 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Deeproot Clubmoss HOA-friendly?
Deeproot Clubmoss takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Deeproot Clubmoss? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz