Planting and Caring for Terrarium Kits: A Complete Guide

Create a Thriving Miniature Garden in Glass

A terrarium's enclosed environment creates a self-sustaining humid ecosystem, perfect for moisture-loving plants that struggle in dry indoor air. With minimal care, these miniature gardens can flourish for months.

Light and Temperature

• Light: Bright, indirect light is ideal. Avoid direct sun, which magnifies through glass and burns foliage. Rotate occasionally for even growth. Fluorescent grow lights work well.
• Temperature: 65–78°F (18–26°C) day and night. Keep away from drafts, air conditioners, and radiators.

Watering and Humidity

• Water: Soil should be evenly moist, not soggy. Water only when the surface feels dry. A closed terrarium may need water only every few months—mist lightly. Use rainwater or distilled water.
• Humidity: The closed system maintains high humidity automatically.

Fertilizer and Maintenance

Do not fertilize; you want slow, compact growth. Trim or pinch plants to maintain size and shape. Monitor occasionally for condensation issues or plant health.

Air Plant Terrariums

Follow the same light, temperature, and care guidelines. Water by misting 2–3 times weekly.

Step-by-Step Planting

1. Open kit and arrange contents on a flat surface.
2. Moisten soil in a separate bowl.
3. Add pebbles/gravel to the container bottom for drainage.
4. Sprinkle 1–2 tablespoons charcoal over drainage layer.
5. Add 1.5–2.5 inches of moist soil, tamping gently (a skewer with a cork works well).
6. Remove plants from pots; do not disturb root balls.
7. Dig pockets, place plants, and firm soil around them.
8. Water lightly.
9. Add remaining pebbles or sand if included.
10. Clean glass inside and out.
11. Cover terrarium.
12. Place in bright, indirect light (north-facing window ideal).
13. Check next day for light condensation; adjust water if needed.