OnMySill

Kangaroo Paw Fern / Kangaroo Fern

Microsorum diversifolium

description

Kangaroo Paw Fern is a spreading fern with leathery irregularly lobed fronds.

benefits

  • Low—light tolerant
  • Pet-friendly, non-toxic to animals
  • Suitable for containers

How to care for Kangaroo Paw Fern

sunlight

In its native forest habitat, Kangaroo Paw Fern grows beneath a canopy, where light is filtered and gentle. Give it a bright spot out of harsh sun indoors.

Bright indirect light

Best for full, steady growth. Place near an east-facing window, or a few feet back from a south- or west-facing window behind a sheer curtain. Direct sun can scorch the leathery fronds.

Low indirect light - tolerated

It can manage a shadier room, but will grow more slowly and may produce fewer fronds. Move it closer to brighter indirect light if new growth is sparse or stretched.

Keep the fronds out of hot window glass, especially in afternoon sun.

watering

Keep the potting mix lightly and evenly moist, but never soggy. Kangaroo Paw Fern has shallow, spreading rhizomes that dislike drying out completely and can rot in waterlogged soil.

Spring - summer

Water about every 5-8 days, or when the top 1-2 cm of mix feels dry. Water thoroughly until excess drains away, then empty the saucer.

Autumn - winter

Expect to water roughly every 10-14 days in lower light or cooler rooms. Check deeper into the root ball before watering, as the surface can dry while the centre remains moist.

Lift the pot before watering: it should feel noticeably lighter, not just dry on top.

Use these intervals as a starting point. Bright light, warmth, dry air, a small pot, and a chunky mix make it dry faster, while low light and a dense mix slow it down.

Do not let the pot stand in water, especially in winter. Constantly wet roots can cause yellowing fronds and root rot.

humidity

Preferred humidity

50-70%

In its sheltered forest habitat, Kangaroo Paw Fern receives consistently moist air. It is usually comfortable in a typical home above 40%, but grows fuller and keeps cleaner frond edges with moderate humidity.

Acceptable indoors

40%+

Dry air can cause brown, crisp tips or edges, especially near heating, air conditioning, or a sunny window. Very dry conditions may also make new fronds unfurl poorly.

If the air is dry, use a small humidifier nearby rather than misting the fronds.
  • Group it with other plants to create a slightly more humid pocket.
  • Keep it away from radiators, vents, and persistent drafts.
  • Check humidity more often in winter, when indoor heating can dry the air quickly.

temperature

Preferred temperature

18-27°C (65-80°F)

Winter minimum

13°C (55°F)

Native to sheltered Australian forests, Kangaroo Paw Fern prefers steady, mild warmth indoors. Keep it away from chilly windows in winter and from hot, dry air from radiators or vents.

Place it in a room that stays above 13°C (55°F), especially overnight.
Cold drafts and sudden temperature swings can cause fronds to yellow or develop brown patches.

nutrition

March - August

Feed about once a month while the fern is making new fronds, using a balanced liquid houseplant fertilizer at half the label strength. Apply it to already moist soil. Stop feeding in winter, or if growth has slowed in low light.

Nitrogen

Nitrogen supports the fern's leafy green fronds. A gentle, balanced fertilizer provides enough without pushing soft, weak growth.

Potassium

Potassium supports sturdy growth and general resilience. It is supplied by a standard balanced fertilizer, so extra supplements are unnecessary.

Flush the pot with plain water every few months to clear fertilizer salts, especially if frond tips turn brown despite steady watering.

soil

Humus-rich, airy, moisture-retentive soil

Its fine roots prefer an organic mix that stays lightly moist but still lets air through. Use a peat-free houseplant or fern mix loosened with perlite and fine orchid bark, in a pot with drainage holes.

pH 5,5 - 6,5

This is slightly acidic soil. Most peat-free fern or houseplant mixes fall close to this range; avoid adding lime or using very alkaline garden soil.

Refresh compacted soil when repotting, as dense mix can keep the roots too wet.