If you love plants but struggle with maintaining humidity and warmth, an indoor greenhouse could be the perfect solution. A mini indoor greenhouse helps create an ideal environment for plants that need extra care, such as tropical species, seedlings, and delicate ferns. It allows you to control temperature, humidity, and light while adding a unique decorative element to your home.
In this guide, we’ll cover how to set up a DIY indoor greenhouse, the best plants to grow inside, and tips for maintaining the perfect growing conditions.
1. Why Have a Mini Indoor Greenhouse?
✔ Increases humidity – Perfect for moisture-loving plants.
✔ Protects delicate plants – Shields from drafts and temperature changes.
✔ Extends growing seasons – Great for growing seedlings or year-round herbs.
✔ Saves space – Compact enough for apartments and small homes.
2. Choosing the Right Type of Mini Greenhouse
There are several types of indoor greenhouses, depending on your space and needs.
2.1. Glass Display Greenhouse
- Elegant and stylish for decorative indoor gardens.
- Best for ferns, moss, and small humidity-loving plants.
- Can be placed on tabletops or shelves.
2.2. DIY Cabinet Greenhouse
- A modified glass cabinet with grow lights and humidity control.
- Ideal for tropical plants like orchids and monstera seedlings.
- Can be customized with shelves and ventilation.
2.3. Terrarium Greenhouse
- A small glass enclosure that holds soil and plants.
- Best for moss, air plants, and miniature ferns.
- Requires little maintenance and adds a decorative touch.
2.4. Plastic or Acrylic Mini Greenhouse
- Lightweight and budget-friendly.
- Ideal for seedlings, herbs, and succulents.
- Available in small sizes for windowsills and countertops.
3. Setting Up Your Indoor Greenhouse
3.1. Find the Best Location
✔ Place it near a bright window for natural light.
✔ If natural light is limited, use LED grow lights.
✔ Keep it away from heating vents and cold drafts.
3.2. Control Temperature & Humidity
✔ Maintain temperatures between 65–75°F (18–24°C).
✔ Increase humidity using a small dish of water or a misting routine.
✔ Use a hygrometer to monitor humidity levels.
3.3. Choose the Right Soil & Drainage System
✔ Use well-draining soil to prevent mold buildup.
✔ Place plants in pots with drainage holes to avoid excess moisture.
✔ Add activated charcoal to terrariums to absorb excess water.
4. Best Plants for an Indoor Greenhouse
Humidity-Loving Plants
🌿 Boston Fern – Thrives in warm, moist environments.
🌿 Calathea – Prefers consistent humidity.
🌿 Orchids – Need stable moisture and filtered light.
Tropical Plants
🌿 Monstera Deliciosa (Juvenile) – Perfect for greenhouse growth.
🌿 Philodendron – Adapts well to greenhouse conditions.
🌿 Peace Lily – Loves the warmth and humidity.
Mini Herbs & Edibles
🌿 Basil – Grows quickly in controlled environments.
🌿 Mint – Loves moisture and spreads easily.
🌿 Microgreens – Fast-growing and perfect for small greenhouses.
5. How to Maintain Your Mini Indoor Greenhouse
✔ Water consistently – Keep soil moist but not soggy.
✔ Mist occasionally – Increases humidity without overwatering.
✔ Ventilate – Open the door or lid occasionally to prevent mold.
✔ Clean regularly – Wipe down glass to prevent algae and fungus.
6. DIY Ideas for a Stylish Indoor Greenhouse
🌱 Convert an old bookshelf into a greenhouse with clear plastic panels.
🌱 Repurpose a glass display case and add LED grow lights.
🌱 Use a simple plastic storage box for budget-friendly humidity control.
Final Thoughts
A mini indoor greenhouse is a great way to grow plants that need extra warmth and humidity. Whether you choose a glass terrarium, cabinet greenhouse, or a DIY version, it adds beauty and functionality to your home. With proper care, your indoor greenhouse will become a lush, thriving mini jungle!