Caring for Neoregalia ‘Mirage’ in a terrarium can create a beautiful and controlled environment for this striking bromeliad. Here’s a care sheet tailored for growing Neoregalia ‘Mirage’ in a terrarium:
 
Neoregalia ‘Mirage’ Terrarium Care Sheet
1. Light:
Light Requirements: Neoregalia ‘Mirage’ requires bright, indirect light. In a terrarium, this can be achieved with high-quality grow lights if natural light is insufficient.
Lighting Setup: Place the terrarium near a bright window or use fluorescent or LED grow lights. Aim for around 12-14 hours of light per day to mimic natural daylight conditions.
 
2. Temperature:
Optimal Temperature: Maintain temperatures between 60-80°F (15-27°C) inside the terrarium.
Temperature Control: Use a thermometer to monitor temperature, and avoid placing the terrarium near drafts or direct heat sources.
 
3. Watering:
Watering Frequency: Water when the substrate and central rosette feel dry. In a terrarium, the enclosed environment often retains moisture, so adjust watering frequency accordingly—usually every 1-2 weeks.
Water Type: Use distilled or rainwater. Tap water can contain chemicals that may harm the plant.
Watering Technique: Ensure the central rosette has water, but avoid letting the terrarium become overly damp. Good ventilation helps prevent mold and rot.
 
4. Humidity:
Humidity Level: Neoregalia ‘Mirage’ thrives in high humidity. In a terrarium, aim for 50-70% relative humidity.
Humidity Management: The terrarium generally maintains higher humidity, but ensure good ventilation to prevent excessive moisture buildup. A small fan or ventilation holes can help.
 
5. Soil:
Soil Type: Use a well-draining bromeliad or orchid mix. A mix of peat, pine bark, and perlite works well.
Container: Make sure the terrarium container has good drainage. If it doesn’t, consider adding a layer of gravel or charcoal at the bottom to aid in drainage and prevent root rot.
 
6. Fertilization:
Fertilizer Type: Use a balanced, water-soluble fertilizer diluted to half strength.
Fertilization Frequency: Feed every 6-8 weeks during the growing season (spring and summer). In the lower light conditions of a terrarium, you might reduce feeding frequency.
 
7. Repotting:
Frequency: Neoregalia ‘Mirage’ generally requires repotting every 2-3 years or when the plant outgrows its space.
Repotting in a Terrarium: When repotting, carefully remove the plant, refresh the substrate, and ensure that the new container has adequate drainage.
 
8. Pests and Problems:
Common Pests: Watch for pests like scale, mealybugs, and spider mites. In a terrarium, the enclosed environment can sometimes exacerbate pest problems.
Pest Control: Use insecticidal soap or neem oil to treat infestations. Regularly check the plant and surrounding environment for signs of pests.
 
9. Propagation:
Method: Propagate Neoregalia ‘Mirage’ by separating offsets (pups) that grow around the base of the plant.
Propagation in a Terrarium: Remove pups carefully, ensuring they have some roots. Pot them in small containers with the same substrate as the parent plant.
 
10. General Tips:
Cleaning: Gently wipe the leaves with a damp cloth to remove dust. Avoid excessive moisture on the leaves to prevent fungal issues.
Ventilation: Ensure adequate air circulation within the terrarium to avoid mold and mildew. If the terrarium is completely sealed, occasionally open it to refresh the air.
 
By following these guidelines, you can create an ideal environment for Neoregalia ‘Mirage’ in your terrarium. Enjoy the vibrant beauty of this bromeliad as it thrives in its miniature ecosystem!