North America Native Plant

Sand Spikemoss

Botanical name: Selaginella arenicola

USDA symbol: SEAR

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Sand Spikemoss: A Tiny Ancient Wonder for Your Garden Meet sand spikemoss (Selaginella arenicola), a fascinating little plant that’s been quietly carpeting the southeastern United States long before your great-great-grandmother started gardening. This isn’t actually a moss at all – it’s a spikemoss, which makes it more closely related to ...

Sand Spikemoss: A Tiny Ancient Wonder for Your Garden

Meet sand spikemoss (Selaginella arenicola), a fascinating little plant that’s been quietly carpeting the southeastern United States long before your great-great-grandmother started gardening. This isn’t actually a moss at all – it’s a spikemoss, which makes it more closely related to ferns than to true mosses. Think of it as nature’s own living carpet, perfectly designed for those tricky sandy spots in your landscape.

What Exactly Is Sand Spikemoss?

Sand spikemoss is a perennial forb that belongs to an ancient group of plants called lycopods or club mosses. These plants are botanical time travelers, representing some of the earliest vascular plants on Earth. Unlike true mosses, spikemosses have tiny scale-like leaves and a vascular system that helps them transport water and nutrients – pretty impressive for something so small!

This particular species forms delicate, low-growing mats that rarely exceed a few inches in height. Its tiny, overlapping leaves create an intricate, almost lace-like texture that adds subtle beauty to any landscape. The plant reproduces through spores rather than flowers, so don’t expect any showy blooms – its charm lies in its delicate foliage and carpet-forming habit.

Where Does It Call Home?

Sand spikemoss is native to the southeastern United States, naturally occurring in Alabama, Arkansas, Florida, Georgia, Louisiana, Oklahoma, and Texas. As its common name suggests, this little plant has a particular fondness for sandy soils, making it perfectly adapted to coastal plains and sandy uplands throughout its range.

Is Sand Spikemoss Beneficial in Your Garden?

Absolutely! While sand spikemoss might not be the showiest plant in your garden, it serves several valuable purposes:

  • Erosion control: Its mat-forming habit helps stabilize sandy soils that might otherwise wash or blow away
  • Low-maintenance groundcover: Perfect for areas where traditional grass struggles to grow
  • Native wildlife habitat: Provides shelter for small insects and adds to the ecological diversity of your landscape
  • Drought tolerance: Once established, it requires minimal watering, making it ideal for water-wise gardens
  • Unique texture: Adds an interesting fine-textured element to rock gardens and native plant displays

How to Identify Sand Spikemoss

Spotting sand spikemoss is easier once you know what to look for:

  • Size: Forms low mats, typically 1-3 inches tall
  • Leaves: Tiny, scale-like leaves that overlap like shingles on a roof
  • Color: Usually bright to dark green, sometimes with a bluish tint
  • Growth pattern: Spreads horizontally to form dense, cushion-like mats
  • Habitat: Look for it in sandy, well-draining areas, often on slopes or in open woodlands
  • Reproduction: Produces small, cone-like structures (strobili) at the tips of branches rather than flowers

Growing Sand Spikemoss Successfully

If you’re lucky enough to live within USDA hardiness zones 8-10 and want to encourage sand spikemoss in your landscape, here’s what you need to know:

Soil requirements: This plant is picky about drainage. Sandy, well-draining soil is essential – heavy clay or constantly moist conditions will quickly spell doom for your spikemoss. If your soil tends to hold water, consider creating a raised bed with sandy amendments.

Light conditions: Sand spikemoss adapts to various light conditions, from partial shade to full sun. In hotter climates, a bit of afternoon shade can help prevent stress.

Watering: Once established, this drought-tolerant native requires very little supplemental watering. In fact, overwatering is more likely to harm it than help it. Water sparingly during establishment, then let nature take over.

Maintenance: The beauty of sand spikemoss lies in its low-maintenance nature. Simply avoid walking on it regularly, keep competing weeds at bay during establishment, and resist the urge to fertilize – it prefers lean conditions.

Perfect Garden Companions

Sand spikemoss pairs beautifully with other native plants that appreciate similar growing conditions. Consider combining it with native sedges, small native bulbs, or drought-tolerant wildflowers for a naturalistic look that celebrates your region’s native plant community.

Whether you’re dealing with a challenging sandy slope or simply want to add an interesting textural element to your native plant garden, sand spikemoss offers a unique solution that connects your landscape to the ancient botanical heritage of the southeastern United States. Sometimes the smallest plants make the biggest difference!

Sand Spikemoss

Classification

Group

Lycopod

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Lycopodiophyta - Lycopods

Subdivision
Class

Lycopodiopsida

Subclass
Order

Selaginellales

Family

Selaginellaceae Willk. - Spike-moss family

Genus

Selaginella P. Beauv. - spikemoss

Species

Selaginella arenicola Underw. - sand spikemoss

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA