North America Non-native Plant

Fan Spikemoss

Botanical name: Selaginella flabellata

USDA symbol: SEFL2

Life cycle: perennial

Habit: forb

Native status: Not native but doesn't reproduce and persist in the wild

Fan Spikemoss: The Tiny Ancient Wonder for Your Garden Meet fan spikemoss (Selaginella flabellata), a fascinating little plant that’s been around since dinosaurs roamed the Earth! Don’t let its humble appearance fool you – this tiny green wonder is actually a living fossil that can add unique texture and interest ...

Fan Spikemoss: The Tiny Ancient Wonder for Your Garden

Meet fan spikemoss (Selaginella flabellata), a fascinating little plant that’s been around since dinosaurs roamed the Earth! Don’t let its humble appearance fool you – this tiny green wonder is actually a living fossil that can add unique texture and interest to your garden landscape.

What Exactly Is Fan Spikemoss?

Fan spikemoss isn’t actually a moss at all, despite its name. It’s what botanists call a lycopod or spikemoss – an ancient group of plants that reproduce using spores rather than seeds or flowers. Think of it as a distant cousin to ferns, but much smaller and more delicate looking. This perennial plant forms small, fan-shaped clusters of tiny, scale-like leaves that create a moss-like carpet effect.

Where Does It Come From?

Fan spikemoss is native to the southwestern United States, particularly thriving in the desert regions of Arizona and New Mexico. It’s perfectly adapted to the harsh, arid conditions of these areas, making it a true survivor in challenging landscapes.

How to Identify Fan Spikemoss

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

  • Tiny, overlapping scale-like leaves arranged in fan-shaped patterns
  • Low-growing, carpet-forming habit that hugs the ground
  • Bright to dark green coloration
  • No flowers or traditional stems – just delicate, branching fronds
  • Often found growing in rock crevices or shaded areas

Is Fan Spikemoss Beneficial for Your Garden?

Absolutely! This little plant packs several benefits into its tiny package:

  • Unique texture: Adds fine, delicate texture that contrasts beautifully with larger plants
  • Ground cover: Forms attractive, low-maintenance carpets in difficult spots
  • Drought tolerance: Perfect for water-wise landscaping once established
  • Conversation starter: Its ancient lineage makes it a fascinating garden specimen
  • Low maintenance: Requires minimal care once settled in

Where Fan Spikemoss Thrives

Fan spikemoss is happiest in USDA hardiness zones 8-10, where it can handle the temperature extremes. It prefers:

  • Shaded to partially shaded locations
  • Well-draining, rocky or sandy soils
  • Areas protected from intense afternoon sun
  • Rock gardens, crevice gardens, or xerophytic landscapes

Perfect Garden Settings

This charming little spikemoss works wonderfully in:

  • Desert and drought-tolerant gardens
  • Rock gardens and stone walls
  • Shaded areas where other ground covers struggle
  • Miniature or fairy gardens
  • Container gardens with good drainage

Care and Growing Tips

The beauty of fan spikemoss lies in its simplicity. Here’s how to keep it happy:

  • Drainage is key: Ensure excellent drainage to prevent root rot
  • Light watering: Water sparingly – this plant prefers to dry out between waterings
  • Shade protection: Keep it out of harsh, direct sunlight
  • Minimal fertilization: These ancient plants are adapted to poor soils and rarely need feeding
  • Be patient: Growth is slow but steady – perfect for low-maintenance gardening

A Living Link to the Past

Growing fan spikemoss is like having a piece of prehistoric Earth in your garden. While it may not attract pollinators like flowering plants do (since it reproduces via spores), it offers something equally valuable – a connection to the ancient plant world and a unique, textural element that few other plants can provide. For gardeners in suitable climates who appreciate the unusual and want to add something truly different to their landscape, fan spikemoss is a delightful choice that asks for little but gives much in return.

Fan 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 flabellata (L.) Spring [excluded] - fan spikemoss

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