Geometric Teardrop Terrarium Projects: both close and open
- Lea
- Apr 6
- 2 min read

The planting material for the terrarium:
It has three planting materials forming the three layers of a terrarium:
1. The bottom layer is small, 5-8mm lava ( default red; if you want it black, please message me when you place the order). This layer provides drainage for your terrarium, and you can easily see if there is any waterlog.
2. Dry sphagnum: this is the water-absorbing layer. Please sink them in water and squeeze extra water out.
You need to place them above the lava rock and press them flat. They can also fill the rock gaps or make the land slope. There are many videos on my YouTube about how to use them. You can also use them to wrap roots and fix plants in rock/wood gaps.
3. 1-3mm Natural small diatomite rocks. They are the top layer. It helps improve drainage and reduce root rot. One of the best soil rocks for a terrarium. It is porous, allowing good drainage. After spraying water, the small rocks will become sticky and stay in place.
The following is the close terrarium.
The plants:
fittonia, (the fittonia looks small, right? yes. The fittonia you bought are usually with large leaves. Mine are same too. I bought several pots several months ago and keep them in shade, offering them enough water and the new leaves become smaller. You can also cut branches and propagate them. It is spring now and you can do it outdoor. If your area is too dry or you want to do it in winter, please use a mini green house or large transparent box. As long as you spray water regularly to keep a moist environment the plant itself will propagate. )
creeping figs,
moss (Leucobryum moss)
The wood: a kind of driftwood, named shrimp wood. I need it to function as the climbing support for the creeping figs.
Driftwood is sturdy. Even after years ussage, it is as hard as it was.
The rocks: Seiryu rocks.
Here is the planting video
The following is the open terrarium.
Plants: Begonia, saxifrage, peacock moss, Oxalis
please note: I use the mini planters and plastic tray (cutted from a cake container) to keep keep that area moist to let the moss grow.
In an open terrarium, water evaporates fast. I need to spray frequently (per two days).
In 3 weeks, finally the moss keeps live.
Here is the planting video:
to be updated.
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