Running Clubmoss (Lycopodium clavatum)
Clavatum
About this plant
Lycopodium clavatum, commonly known as Running Clubmoss, is a low-growing, evergreen plant with trailing stems covered in small, scale-like leaves. It resembles moss but is actually a primitive vascular plant. It spreads by creeping stems and produces yellowish spore cones. Often found in forests and heathlands, it has been used historically for medicinal purposes and as a decorative ground cover.
Taxonomy
Higher classification: Lycopodiales (order)
Origin & Distribution
- Native region
- North America, Europe, Asia
- Distribution
- Native to temperate regions of North America, Europe, and Asia; commonly found in forests, moorlands, and mountainous areas.
Care
- Suitable locations
- Outdoor, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing
- USDA hardiness zones
- 3-7
- Soil pH
- 5.5-6.5 (acidic to slightly acidic)
- Soil type
- well-draining, acidic, humus-rich soil
Watering. Keep soil consistently moist but not waterlogged. Water more frequently during dry spells and reduce watering in cooler months.
Fertilizing. This plant generally does not require much fertilizing. If desired, a light application of a balanced, diluted fertilizer in spring can support growth.
Lycopodium clavatum is a hardy, low-growing plant that prefers shady, moist environments but can tolerate some dryness once established. It requires well-drained soil and minimal maintenance. Avoid overwatering to prevent root rot.
Propagation
- Propagation methods
- Cuttings, Division, Seeds
Ornamental features
- Flowering
- No
Evergreen trailing stems with small scale-like leaves and yellow spore cones.
Toxicity & Safety
Non-toxic to humans and pets; safe to have around children and animals.
Allergy information
Lycopodium clavatum is generally safe and unlikely to cause allergies. However, some people sensitive to spores might experience mild irritation. To reduce exposure, avoid inhaling spores directly and handle the plant gently.
Common problems
Overwatering can cause root rot; too much sun may dry out the plant; pests are rare but watch for fungal issues in overly damp conditions.
Uses
Used mainly as an ornamental ground cover in shaded garden areas; historically used in traditional medicine and for decorative purposes.
Notes
Prune dead stems to encourage healthy growth. Repotting is rarely needed as it spreads horizontally. Sensitive to direct sunlight and excessive dryness.