How to Grow Club moss

Club moss

Lycopodium spp.

grass

Club mosses are primitive vascular plants that have existed for over 400 million years, predating flowering plants and conifers. They are evergreen, low-growing plants characterized by small, scale-like leaves arranged in dense clusters and distinctive club-shaped spore-bearing structures. Despite their common name, they are not true mosses but rather distant relatives of ferns.

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Example Club moss timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Club moss

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Club moss

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Club moss dates for your own zip code.

Growing Conditions

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Sun: Partial shade to dappled sunlight; most species prefer 2-4 hours of indirect light daily
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Water: Consistently moist but not waterlogged soil; high humidity is critical. Club mosses prefer humid conditions and frequent misting. Water regularly during growing season and reduce slightly in winter
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Spacing: 6-12 inches depending on species and mature size inches
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Days to maturity: Slow-growing; 2-4 years to reach maturity
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Planting depth: Surface planting with rhizoids just touching moist substrate; do not bury

Soil

Type: Well-draining, acidic, rich in organic matter, sandy or rocky loam
pH: 4.5-5.5
Amendments:
Peat moss Coarse sand Leaf litter Pine needles Perlite

Growing Zones

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Hardiest varieties thrive in zones 3-9, with some species more suited to cooler regions

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Spore germination

4-8 weeks

Microscopic spores develop into a tiny gametophyte (prothallus) that produces male and female structures

Maintain extremely high humidity (90%+), consistent moisture, and cool temperatures (60-65°F). Keep in dim light

2

Gametophyte development

2-6 months

The gametophyte stage develops underground or in moist substrate, producing rhizoids and early sporophyte shoots

Keep substrate consistently moist and rich in organic matter; maintain high humidity and cool conditions

3

Young sporophyte

6-18 months

The mature plant form emerges with characteristic scale-like leaves and horizontal or upright stems

Gradually acclimate to slightly lower humidity; ensure good air circulation; provide consistent moisture and partial shade

4

Mature growth

1-3+ years

Plant develops its characteristic form with dense foliage, trailing or upright stems depending on species, and visible horizontal growth

Maintain consistent moisture, high humidity, and partial shade; avoid direct sun; mist regularly; ensure well-draining substrate

5

Spore production

Seasonal, typically spring-summer

Club-shaped or cone-like strobili (spore-bearing structures) form at stem tips, appearing yellowish or tan

Ensure mature plant is healthy and well-established; maintain optimal conditions; spore production indicates maturity

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Direct sunlight locations Drought-tolerant succulents Mediterranean plants Salt-tolerant plants Poorly draining or alkaline soil areas

Common Pests

  • Increase humidity through regular misting; ensure good air circulation; spray with water to remove mites; use insecticidal soap if severe

  • Remove manually with soft brush; apply neem oil or insecticidal soap; improve air circulation to prevent recurrence

  • Allow substrate surface to dry slightly between waterings; use yellow sticky traps; improve drainage; apply beneficial nematodes if severe

  • Remove with cotton swab dipped in isopropyl alcohol; spray with insecticidal soap; improve air circulation

Uses

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Ornamental decoration

Household

Club mosses are prized as decorative terrarium and woodland garden plants, adding prehistoric charm and delicate texture to indoor and outdoor shade gardens. [source]

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Traditional herbal medicine

Medicinal

Various club moss species have been used in traditional Chinese and Ayurvedic medicine for digestive, respiratory, and inflammation-related conditions, though scientific evidence is limited. [source]

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Spore collection and craft

Craft

Club moss spores (historically known as lycopodium powder) were traditionally used as a fine powder in old theatrical effects and in craft applications for texture and visual interest. [source]

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Habitat for small creatures

Wildlife

Club mosses provide microhabitat and shelter for tiny arthropods, insects, and other small creatures in forest floors and shade gardens, supporting local biodiversity. [source]

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Evolutionary botanical interest

Culinary

While not edible, club mosses are valued by botanists and plant enthusiasts as living examples of ancient plant lineages, offering educational and scientific interest. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Club mosses are not harvested for growth but rather collected for spores when strobili mature. Spore-bearing structures turn yellowish-tan and can be gently rubbed to collect spores. Historically, club moss spores (lycopodium powder) were harvested commercially but the practice is now limited. Do not harvest wild populations; instead, propagate from established cultivated plants or purchase from reputable suppliers

Fun Facts

  • 🌱 Club mosses are among the oldest land plants, with fossil records dating back over 400 million years to the Devonian period, making them older than dinosaurs
  • 🌱 Unlike true mosses, club mosses have vascular tissue (xylem and phloem) that allows them to grow taller and transport water and nutrients more efficiently
  • 🌱 Club moss spores were historically used as a fine, flammable powder in theatrical productions and early photographic flash, and are still occasionally used in botanical illustration

Gardening Terms

New to gardening? Learn about terms used in this guide:

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