Growth is a little more restrained above water, but it’s still messy (hence why we recommend it as an epiphytic moss and not a carpeting moss). When submerged, Java Moss grows long and wild. So (unless you live in a jungle) you’ll definitely need a closed terrarium container to achieve this. It’ll need a humidity level somewhere up in the 90% range. It has no roots after all, so it needs to get all of its water from the air. Java Moss needs a very high humidity in order to thrive in a non-aquatic setting. Because it tends to grow better on surfaces that can hold some moisture, we recommend applying a little Sphagnum moss (live or preserved) to your hardscape to create a moisture reservoir, and then attaching your Java Moss on top of that. Where Java Moss really stands out however, is epiphytically attached to rocks or wood. It will work attached directly on top of substrate as a carpeting moss, but it doesn’t tend to look very neat (there are mosses much better suited to the job, such as Cushion Moss). Just about any solid surface will do for Taxiphyllum barbieri, so we’re spoilt for choice.

It’ll do best with regular, direct spraying to keep it moist. So unlike most terrarium mosses, it can be a little high maintenance in the watering department. It needs to be kept wet and the humidity high (or ideally both). That being said, it tends to grow faster in brighter environments, so a grow light may help speed up its growth somewhat if that’s what you’re going for! Wateringīeing a primarily aquatic moss, Taxiphyllum barbieri needs constant moisture, and it will quickly dry out in an arid environment. While it can thrive in brighter lighting, it’s perfectly happy in a low light environment, making it a great fit for terrariums. Lighting-wise, Java Moss is about as flexible as you could possibly want.

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