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Terrarium Atlas

Field guide collection

Care & Troubleshooting

Watering rhythm, mold, fogged glass, browning leaves. Diagnose what the terrarium is telling you before you intervene.

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Care & Troubleshooting

How Often Should You Water a Closed Terrarium?

A balanced closed terrarium may go months without added water. Learn how to read the glass, substrate, and plants so you water only when the system actually needs it.

11 min readpublished

All Care & Troubleshooting guides

Care & Troubleshooting

Mold in a Terrarium: Normal or a Problem?

Found fuzzy growth inside the glass? Learn when terrarium mold is simply decomposing organic material, when it signals excess moisture, and what to do next.

11 min readpublished

Care & Troubleshooting

Too Much Condensation in a Terrarium? What to Do

Foggy glass is part of a closed terrarium's water cycle, but constant heavy droplets can signal excess moisture. Learn how to tell normal condensation from a problem and correct it without overreacting.

10 min readpublished

Care & Troubleshooting

Why Are My Terrarium Plants Turning Brown or Yellow?

Yellow or brown leaves do not point to one automatic diagnosis. Use the location of the damage, substrate moisture, plant texture, light, and recent changes to find the most likely cause.

12 min readpublished

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