What is a kangaroo paw fern?
Kangaroo paw fern (Microsorum diversifolium) is a compact, epiphytic fern native to Australia and New Zealand, where it climbs rocks and tree trunks in moist forests. Its common name comes from its distinctive fronds — leathery, lobed, and sometimes forked, resembling the wide toe of a kangaroo’s foot. Unlike the delicate, lacy ferns that wilt at a glance, the kangaroo paw fern’s thick fronds make it noticeably more forgiving of dryness and inconsistency.
It belongs to the family Polypodiaceae and is closely related to blue star fern (Phlebodium aureum) and other epiphytic ferns grown as houseplants. A mature plant reaches about 1–2 feet in height and spread, making it a tidy, shelf-friendly choice.
How much light does a kangaroo paw fern need?
Kangaroo paw fern does best in bright to medium, indirect light — the kind you’d find a few feet from a window, or in a room with good natural light. It tolerates lower light than many ferns, but growth slows noticeably in dim corners. Keep it away from direct sun, which bleaches and scorches the leathery fronds.
An east-facing window or a spot set back from a south or west window is ideal. Bathrooms and kitchens, which often combine decent window light with higher ambient humidity, are excellent locations.
How often should you water a kangaroo paw fern?
Water about every 7–10 days, checking the top inch of soil before you do. Because the fronds are leathery rather than soft, they mask drought stress longer than typical ferns — the plant looks fine until it isn’t. A consistent schedule works better than waiting for visual cues.
Use a well-draining potting mix and a pot with drainage holes; kangaroo paw fern cannot sit in water. Reduce watering slightly in winter when growth slows.
What humidity and temperature does a kangaroo paw fern prefer?
It prefers average to moderate humidity — around 40–60% — and handles typical indoor conditions well, which sets it apart from higher-maintenance ferns that demand a terrarium-level environment. That said, it appreciates a humidity boost in dry-air homes, especially in winter when heating dries the air.
Keep temperatures between 60–80°F (15–27°C). It tolerates cool rooms but dislikes frost or sudden cold drafts from vents or open windows in winter.
How do you repot a kangaroo paw fern?
Repot every 1–2 years or when roots are visibly escaping the drainage holes. Choose a pot one size up — kangaroo paw fern grows from a creeping rhizome and prefers a wide, shallow pot over a deep one. Use a mix of standard indoor potting soil, perlite, and a small amount of orchid bark or coarse coir to mimic the epiphytic, free-draining conditions it enjoys in nature.
Spring is the best time to repot, just as new growth begins.
Is kangaroo paw fern safe for pets?
Yes — kangaroo paw fern is pet-safe. The Microsorum genus is not listed by the ASPCA as toxic to cats and dogs, making it a comfortable choice for pet households. As always, it is best to discourage pets from chewing houseplants, but accidental nibbling should not cause serious harm.