How to Attach a Fairy Door to a Tree Without Hurting It
Fairy doors can be attached to trees in several different ways. The best method depends on the surface around the tree, how permanent you want the installation to be, and whether you want to remove or reposition the door later.
Whenever possible, I prefer to support the fairy door from the soil instead of fastening it directly to the living tree. This keeps the display easy to move, makes seasonal storage simple, and gives the tree room to grow.
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1. Add a Wooden Stake to the Back of the Door
This is my favorite method. Glue a wooden craft stick, popsicle stick, or another small flat stick vertically to the back of the fairy door. Position it so that part of the stick extends below the bottom edge of the door. Once the glue has fully cured, push the exposed part of the stick into the soil at the base of the tree.
The stake holds the door upright while the front of the door rests naturally against, or just in front of, the trunk. For a larger door, you can use two sticks - one near each side - to stop it from twisting or leaning. If the ground is hard, loosen a narrow opening first instead of forcing the stick and breaking it.
This method is simple, removable, and does not require putting anything into the tree. It is also easy to hide the bottom of the stick with moss, bark, pebbles, or a little soil, so the entrance looks as if it has always been there.
2. Use a Small Nail or Screw - with or Without Magnets
For a more secure outdoor installation, use a short nail or screw made for outdoor conditions. If the design of the fairy door allows it, the fastener can go directly through the door. Another option, and the method I use, is to place a short nail or screw in the tree and glue two strong magnets to the back of the door. The door then attaches to the metal fastener through the magnets.
Only drive the fastener about 1 cm into the wood, just enough to support the lightweight door - and avoid long or deep hardware. If you are using magnets, remember that not every stainless-steel or brass fastener is magnetic. A galvanized steel screw usually works, or you can place a small steel washer beneath the screw head to give the magnets a reliable surface to hold.
Using two magnets helps keep the door straight and reduces spinning. It also makes the door easy to remove for repainting, sealing, winter storage, or checking the tree. Inspect the attachment regularly and reposition it if the tree begins to grow around the hardware.
3. Make a Shaped Dry-Floral-Foam Base
The green block used by florists is called floral foam, florist foam, or sometimes an OASIS block. For this project, use dry floral foam rather than the wet foam intended for fresh flower arrangements.
Cut and shape the foam so it is slightly larger than the fairy door and deep enough to stand securely in the soil. Glue the door to the front of the shaped foam, allow the adhesive to cure completely, and then press the foam base into the ground at the foot of the tree. The foam supports the door without needing to be glued to the bark.
Cover the visible foam with a thin layer of clay, soil, moss, bark, or small stones. Once it is disguised, the fairy entrance can look wonderfully established, as though it has been part of the tree for years. Floral foam can become brittle or crumble after long exposure outdoors, so inspect it regularly and bring the display inside during very wet weather or winter.
4. Use an Adjustable Tree Strap and Magnets
A soft, adjustable strap can wrap around the trunk when the ground is unsuitable for a stake or foam base. Attach a small steel plate or steel washers to the strap, then glue magnets to the back of the fairy door. The magnets hold the door against the metal while allowing it to be lifted off whenever needed.
Keep the strap loose enough that it does not press into the bark. A tree continues to grow, so check the fit often and loosen or move the strap as necessary. A strap with a little elasticity is helpful, and small rubber spacers or bumpers behind the door can create airflow and prevent moisture from sitting between the door and the trunk.
Fairy-Door Inspiration
Fairy Doors at the Base of a Tree
A fairy door can sit naturally at the base of a tree without looking temporary. Moss, a tiny ladder, miniature plants, bark, and small stones help blend the entrance into its surroundings.
Help Your Fairy Door Last Outdoors
If your fairy door is made from unfinished wood, protect it before placing it outside. Start with my guide to coloring fairy doors, or stain it in your preferred finish. Then apply an outdoor-rated clear sealer to the front, back, and all exposed edges. Let the paint, glue, and sealer dry and cure completely before installation.
Leave a small gap behind the door when possible so air can circulate and water can drain away. Check the display after heavy rain or strong wind, clear away wet leaves, and make sure moss or soil is not holding moisture against the wood. Bringing the door indoors during severe weather or winter will help it last much longer.
More Fairy Door Ideas
Continue with one of these helpful guides.
How to Color Your Fairy Doors →
Choosing the Right Glue →
Make a Pumpkin Fairy House →
Create Your Own Fairy Entrance
Choose a DIY door to decorate yourself or a finished door that is ready to place outdoors.