Southern Groundcedar (Diphasiastrum Digitatum) is a perennial fern in the Lycopodiaceae family with easy care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Diphasiastrum digitatum is a low-growing, evergreen, clubmoss native to eastern North America, recognized by its flat, fan-shaped branches and scale-like leaves.

Southern Groundcedar

Southern Groundcedar

Diphasiastrum Digitatum

Diphasiastrum digitatum is a low-growing, evergreen, clubmoss native to eastern North America, recognized by its flat, fan-shaped branches and scale-like leaves.

Quick Facts

Type
fern
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Partial Shade, Full Shade
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, loamy, rocky
Indoor:No
Outdoor:Yes
Garden Use:groundcover, erosion control

Care Calendar

Monthly care tasks for Southern Groundcedar

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

Southern Groundcedar
Southern Groundcedar detail

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Taxonomy

Family:Lycopodiaceae
Genus:Diphasiastrum