Q: I thought it would be a fun project for my elementary-school-age kids to start some terrariums over the summer. Do you have any suggestions?
A: The simple terrarium is a clear container that allows for the growth of plants. It can be sealed or open to the air. Sealed terrariums allow light and heat to enter, but water and humidity are recycled within the container. Like all other houseplants and outdoor plants, a successful terrarium requires matching the plants to the environment.
Decide what kind of container you want to use. Inexpensive glass jars and bowls are often available at thrift stores and garage sales. Old aquariums work very well too. A leaky aquarium can still make a good terrarium. Missing or broken glass can be replaced with plastic or screens. The aquarium may even have a matching light fixture that you can install a grow light bulb in….
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