Plant Care Guides / Indoor / Moderate Care
These are some of the toughest ferns you can grow indoors. The kangaroo fern (Microsorum diversifolium) has thick, glossy, irregularly shaped fronds that look nothing like a typical fern, while the crocodile fern has textured fronds with a pattern that resembles crocodile skin. Both are far more forgiving than the classic Boston fern, though they still appreciate a little extra attention to humidity. This also covers the Fritz Luthi and Leather Leaf forms.
Unlike most ferns, microsorum species can handle a missed watering without collapsing in a heap. Their fronds are thicker and more leathery, which means they hold moisture better. They grow from creeping rhizomes that spread slowly across the soil surface, which is normal and healthy.
Medium to bright, indirect light. They cope well in a shadier spot than most plants, which makes them good for bathrooms and sheltered corners. Avoid direct sun, which can bleach or scorch the fronds.
Keep the soil consistently moist but not waterlogged. Let the very top dry slightly between waterings, but do not let the whole pot dry out. They enjoy humidity and respond well to misting, though they are less dramatic about dry air than Boston ferns. A bathroom or kitchen with natural light suits them well.
Feed monthly through spring and summer with a balanced liquid fertiliser at half strength. Ferns are sensitive to overfeeding, so go gently.
Repot when the rhizomes start growing over the edge of the pot, usually every one to two years. Use a rich, moisture-retaining but well-draining mix, standard potting soil with added peat or coco coir and perlite.
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