How To Care For Moss Terrarium. Cacti tend to be even more susceptible to rot than succulents. Most terrarium moss is easy to take care of.
Remember that since mosses are such delicate organisms they need a great deal of moisture to thrive. If youve got a closed terrarium with high humidity and plenty of moisture its probably going to only need a light watering once a month or so. Take extra care not to over-water.
Because it is enclosed too much heat can accumulate in the terrarium causing the moss to cook.
Moss does best with light frequent watering. Set your terrarium in indirect light. It can be left outside all year if you are using in your garden but needs. How to look after a terrarium Terrariums are fairly low maintenance and the plants growing inside them will largely look after themselves.