I bought this vintage jar on eBay about a billion years ago and have been meaning to turn it in to a terrarium for a long time. Finally when I got around to it, it only took me half an hour- why ever did I wait so long? I did mean to make a few (hence the other jars in the instructions) but it turns out my plants were too big, oops. I've never been good at estimating quantities... probably why we eat leftovers half the time.
YOU WILL NEED:
* A large glass jar
*Some suitably sized plants
*Activated charcoal (available at pet stores)
The charcoal provides some drainage opportunities and stops the roots of your plants getting too soggy. The peat moss absorbs and holds water for when the plants need it. As the terrarium is a contained environment these different substrates are important to maintain the right moisture level inside your jar.
Arrange your plants so that they aren't touching the sides of the glass and getting squished up. This is best achieved before you put the potting mix layer in otherwise you will end up accidentally mixing all your layers together when you try to add the plants. While this is not the end of the world, it works better when the layers are intact.
Simple as that! Give it a light water; you don't want to drown your plants. The amount of watering your terrarium requires will depend on the plants you have chosen, generally they don't require much attention. Give them a spritz with a spray bottle when there is a lack of any condensation near the soil line. If there is lots of condensation or visible droplets on the glass then take the lid off until it dries out a little. Make sure your terrarium isn't in direct light so you don't fry your new little plants.
So there you have it; a lovely addition to any interior. Because you can use just about any jar and a huge variety of plants and other embellishments such as pebbles or ornaments in different colours you can make it to suit your decor. Terrariums are also a great gift idea for those people who are notoriously tricky to buy for; prettier than socks and less maintenance than a puppy!