Blue Spike Moss (Selaginella uncinata)
Uncinata
About this plant
Selaginella uncinata, also known as Blue Spike Moss, is a small, fern-like plant with striking blue-green foliage that shimmers in the light. It is often grown as a decorative houseplant or ground cover in shaded gardens. This plant prefers humid, shaded environments and adds a unique color and texture to indoor plant collections.
Taxonomy
Higher classification: Lycopodiophyta (clubmosses)
Origin & Distribution
- Native region
- China, Southeast Asia
- Distribution
- Native to parts of Asia, it is now cultivated worldwide as an ornamental plant in homes and gardens.
Care
- Suitable locations
- Indoor, Greenhouse, Balcony
- Preferred window facing
- North-facing, East-facing, Northeast-facing, Northwest-facing
- USDA hardiness zones
- 9-11
- Soil pH
- 5.5-6.5 (slightly acidic to neutral)
- Soil type
- well-draining, rich, peat-based potting mix
Watering. Keep the soil consistently moist but not waterlogged. Water when the top layer feels slightly dry. Mist regularly to maintain humidity.
Fertilizing. Feed Selaginella uncinata with a balanced, diluted liquid fertilizer every 4 to 6 weeks during the growing season (spring and summer). Avoid over-fertilizing, which can harm the plant.
Selaginella uncinata prefers moist, shaded environments and needs consistent humidity to thrive. It can suffer if kept too dry or in direct sunlight. Regular misting and indirect light help keep it healthy, with moderate maintenance required.
Propagation
- Propagation methods
- Cuttings, Division
Ornamental features
- Flowering
- No
Notable for its iridescent blue-green foliage with a delicate, feathery texture.
Toxicity & Safety
Non-toxic to humans and pets, safe to keep around children and animals.
Allergy information
Selaginella uncinata is generally safe and unlikely to cause allergies. People sensitive to plant spores or dust should keep the plant clean to reduce any mild reactions.
Common problems
Common problems include browning or drying leaves due to low humidity or underwatering, and yellowing if overwatered. It may also suffer if exposed to direct sunlight or very dry air.
Uses
Primarily grown as an ornamental plant for its unique blue foliage and texture, suitable for terrariums and shaded garden spots.
Notes
Prune dead or damaged parts to encourage healthy growth. Repot every 2-3 years to refresh soil. Sensitive to dry air, so use a humidifier or pebble tray if indoor air is dry.