Terrariums need to be watered and kept with a sufficient level of moisture to ensure the plants inside are kept in an optimal environment. Even though terrariums may require less frequent watering than traditional plants since they experience less evaporation, you still must keep an eye on them to make sure they don't dry out completely. Usually it’s a good idea to water terrariums about once a week or every other week to maintain their moisture levels.
There are several methods that can be used to water terrariums. Each of these methods have their own benefits. You can even use multiple ways to ensure that plants are hydrated sufficiently.
- Water drops - Pour a few drops of water slowly into the terrarium. Be careful not to pure too fast as you want to avoid a stream of water. If you poured too much water in, just hold the plants and tilt the terrarium to remove the excess water that has collected inside.
- Water spray - You can use any type of spray bottle to lightly mist the plants inside. The benefits of spraying are that it disperses the water to all parts of the plants to ensure complete water saturation and hydration. If you have relatively small plants inside your terrarium spraying is generally the best way to go.
- Water dip - For plants that are dried out, it is best to dip them in water to quickly soak up moisture and then let them sit for a few minutes to settle and then put them back to into the terrarium. If you don't want to wait a few minutes, just dab the plants with a paper towel to quickly remove excess water.
Periodically inspect the terrarium to see if there’s any condensation inside. If there's a bit, the moisture levels should be fine but if it's completely dry inside it might be time to add a little water. If you’re not sure by checking the terrarium visually, simply open the terrarium and touch the plants. If they feel dry, it is time to spray water or add a few drops. If it’s still moist, then the plants are doing just fine.