Can you put a lid on a succulent terrarium?
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The only plants that will not do well in a terrarium with a lid are succulents. They will rot from too much moisture.
Can a terrarium have an open top?
Open terrariums aren’t self-sufficient Since it’s an open terrarium, there wouldn’t be any lid to cover all the plants in the glass container. Instead, the plants might be half popping out of the containers. Unlike closed terrariums, open terrariums prefer drier conditions and don’t require a moist environment.

What are the layers in a succulent terrarium?
In general, to make a succulent terrarium, you will need to follow these steps:
- Choose a terrarium container.
- Clean the container.
- Choose and lay the drainage layer on the bottom.
- Add a filter for separation.
- Pour a charcoal layer.
- Add succulent soil mix, and then add plants.
- Decorations.
Do succulents like closed terrariums?
You may have heard that succulents shouldn’t be used in a closed terrarium, and this is largely true. You see, succulents need a dry and airy environment, and many closed terrariums create a moist and humid greenhouse effect.

Do closed terrariums need to be airtight?
Do terrariums need to be airtight? Terrariums are fine if they are airtight, but we suggest removing the lid periodically (about once a week or even daily) to allow fresh air into your garden.
Do you really need charcoal for a terrarium?
Charcoal is an important element in a terrarium because it helps remove toxins and odors. If you don’t have charcoal, you can still make a terrarium, but you’ll need to to take extra steps to ensure your plants remain healthy and that the environment inside your terrarium remains clean and odor-free.
Can you put sand in the bottom of a terrarium?
Sand will be added to the bottom of a terrarium and can be used as a decorative element on top. You can also use sand to fill the holes in a terrarium or hide the plants’ roots. Remember that you can use both sand and pebbles/gravel as side wall or topping decorations as well.
Are glass terrariums good for succulents?
Terrariums create the worst possible environment for succulents to grow and thrive. If your goal is to have happy and healthy plants, you need to keep them in an appropriate container and avoid succulent terrarium.
What succulents are good for closed terrariums?
Some of the best succulents for terrariums are:
- Jade plant (Crassula ovata).
- Tiger Jaws, or Faucaria Tigrina – a beautiful plant with star-shaped rosettes and spiky leaves.
- Hens and chicks (Sempervivum).
- Aloe Vera, or medicine plant – a very popular plant that has spiky leaves.
- Kalanchoe tomentosa, or Chocolate Soldier.
Does a terrarium need sunlight?
A small terrarium cannot take direct sunlight because too much heat builds up inside and the plants will start to cook! Terrariums love bright INDIRECT sunlight, a place near a bright window but not in beams of the sun. A north-facing window is great. Aim for 4 to 6 hours of indirect sunshine a day.
How often do I water my terrarium?
How often do you have to water a terrarium? If closed, you might be watering them (on average) once a month but this will vary depending on a variety of factors. Open terrariums benefit from being watered every 3-6 weeks. Rather than watering on a schedule, check the soil to see if and how much water your plants need.