Parmeliaceae
beard lichen: Aromatic Plant
Usnea hirta
Extremely difficult to cultivate outside its natural habitat; requires very high air purity, consistent high humidity, and attachment to a natural substrate like bark.
Every 2 days
Bright indirect
-20° - 25°C
60% - 95%
Categories
What is beard lichen?
beard lichen (Usnea hirta) is a hard-care plant from the Parmeliaceae family. Usnea hirta, commonly known as Bristly Beard Lichen, is a fruticose lichen characterized by its pale green to yellowish-green, shrubby appearance. It consists of a symbiotic relationship between a fungus and an alga. It typically grows on the bark of coniferous trees in clean-air environments. It is...
beard lichen grows up to 10cm, spread of 15cm, watering every 2 days, -20°C – 25°C, 60–95% humidity. It is not suitable for indoor environments and safe for pets.
Unlike easy-care plants, beard lichen demands constant attention to humidity and light. Not recommended for beginners. Unlike many popular species, beard lichen is safe to keep around pets.
How to Care for beard lichen?
TLDR: beard lichen needs Bright indirect, watering every 2 days, and temperatures between -20-25°C with 60-95% humidity.
How Often Should You Water beard lichen?
Mist frequently to simulate fog and dew; the lichen absorbs moisture directly from the air.
How Much Light Does beard lichen Need?
Requires bright, filtered light but must be kept cool; avoid direct hot sun which can desiccate the thallus.
What Is the Best Soil for beard lichen?
Does not grow in soil; requires a substrate of acidic tree bark or wood.
What Pot Should You Use for beard lichen?
Should not be potted; best kept attached to a piece of natural, untreated wood or bark.
Care Schedule
Misting
Every 1 days
What Is beard lichen and Where Does It Come From?
Usnea hirta, commonly known as Bristly Beard Lichen, is a fruticose lichen characterized by its pale green to yellowish-green, shrubby appearance. It consists of a symbiotic relationship between a fungus and an alga. It typically grows on the bark of coniferous trees in clean-air environments. It is highly sensitive to sulfur dioxide pollution, making it an excellent bio-indicator of air quality.
How to Propagate beard lichen?
Fragmentation
- Use only rainwater or distilled water as they are sensitive to chlorine
- Ensure the air is free from pollutants
- 1 Fragment Collection
Carefully detach a healthy piece of the lichen thallus from a parent colony.
- 2 Substrate Attachment
Gently tie the fragment to a clean piece of bark using a biodegradable thread.
- 3 Acclimatization
Place in a high-humidity environment with constant airflow and mist daily with rainwater.
Materials needed:
How Big Does beard lichen Grow?
TLDR: beard lichen can reach up to 10cm tall with Slow growth rate.
Max height
10cm
Spread
15cm
Growth rate
Slow
Foliage
Evergreen
Plant Uses
Medicinal
Medicinal properties
Aromatic
Pleasant fragrance
Medicinal Uses
- Antibacterial agent (Usnic acid)
- Wound healing
- Treatment of respiratory infections
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
Meaning & Symbolism
Represents purity and the health of the environment.
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Sticky false asphodel | Hard | Bright indirect | 1d | ✓ |
| Creeping bentgrass | Hard | Direct sun | 3d | ✓ |
| Bulbous Adder's-tongue | Hard | Partial shade | 4d | ✓ |
| Crystal Anthurium | Hard | Partial shade | 7d | ⚠️ |
