Java fern (Microsorum pteropus) is one of the most popular and forgiving aquarium plants you can own. Like Anubias, it’s an epiphyte — it attaches to wood and rock instead of rooting in substrate — and it thrives in low light without CO₂. Here’s everything you need to grow it well.

Why Java fern is so easy

Java fern is hardy, slow-growing and tolerant of a wide range of water conditions. It doesn’t need fertiliser-rich substrate, special lighting or CO₂, which makes it ideal for beginners and low-tech tanks. It also gives fish and shrimp natural cover.

Light and water

Keep Java fern in low to moderate light — strong light encourages algae on its slow-growing leaves. It’s comfortable from about 20–28°C across a broad pH range. A weekly dose of liquid fertiliser keeps the leaves deep green.

Never bury the rhizome

The single most important rule: never bury the rhizome (the thick horizontal stem the leaves grow from). Buried, it rots. Instead, attach Java fern to driftwood or rock with cotton thread or a dab of cyanoacrylate super-glue gel — the same way you would attach Anubias. Within weeks the roots grip on their own.

Propagation

Java fern propagates itself: tiny plantlets (“baby ferns”) sprout on mature leaves. Once they have a few leaves and small roots, gently detach them and attach them to new hardscape. You can also split the rhizome into sections, each with leaves and roots.

Common problems

Small black spots on leaves are usually plantlets forming or a minor nutrient shortfall — not a disease. Browning often follows transplant shock; trim badly affected leaves and new growth will come in clean. Reduce light if you see algae.

Where to use it

Java fern suits the midground and background, and looks superb tied along a piece of driftwood. It pairs beautifully with Anubias, mosses and Bucephalandra in a low-tech aquascape.

Ready to add one? Browse our ferns & mosses collection and Anubias — hand-picked and shipped across India with a live-arrival guarantee.