---
title: Pocket jar: a tiny moss jar terrarium recipe
description: A medium sealed tiny moss jar in a minijar of 0.1 L, with 0 plants and 2 mosses. a spice jar sized world; small things dry out fast Every layer, plant and...
url: https://glassjar.garden/starter-jars/pocket-jar/
---

Starter jar · medium

# Pocket jar
tiny moss jar

medium · Sealed · minijar

A medium sealed tiny moss jar in a minijar of 0.1 L, with 0 plants and 2 mosses.

[Open this jar in the simulator](https://glassjar.garden/?starter=pocket_jar)

## The container

- Glass: minijar, 6 cm across, 7 cm tall, 0.1 L

- Note: a spice jar sized world; small things dry out fast

- Lid: Sealed

## Layers, bottom to top

- [Aquarium gravel](https://glassjar.garden/guide/soils/aquarium-gravel/), 0.8 cm (0.02 L)
- [ABG mix](https://glassjar.garden/guide/soils/abg-mix/), 2 cm (0.04 L)

## Stones and wood

- [Dragon stone](https://glassjar.garden/guide/hardscape/dragon-stone/), about 2.5 cm

## Moss

- [Sheet moss](https://glassjar.garden/guide/moss/hypnum-cupressiforme/), about 55% cover
- [Smaller white-moss](https://glassjar.garden/guide/moss/leucobryum-juniperoideum/), about 20% cover

## Cleanup crew

- 10 [Temperate white springtail](https://glassjar.garden/guide/critters/folsomia-candida/)

## Water and light

- Water at build: 10 ml, distilled or rain

- Watering: mist only when no morning condensation

- Light: 2,500 lux, 10 h a day

- Light source: bright shelf away from the window

## How to make it

- Pour the layers, bottom to top: Aquarium gravel (0.8 cm), ABG mix (2 cm).
- Set the hardscape: Dragon stone.
- Lay the moss: Sheet moss over about 55% of the ground, Smaller white-moss over about 20% of the ground.
- Add the cleanup crew: 10 Temperate white springtail.
- Water with 10 ml (distilled or rain).
- Close the lid and give it 2,500 lux, 10 h a day: bright shelf away from the window.

[Open this jar in the simulator](https://glassjar.garden/?starter=pocket_jar)

[Mason jar moss](https://glassjar.garden/starter-jars/mason-moss/) · [Test tube moss](https://glassjar.garden/starter-jars/test-tube/) · [All starter jars](https://glassjar.garden/starter-jars/)