0Pteris tremula
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Tips & experience from members
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How members water it
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How it thrives
Watermedium
Lightbright indirect
Humidityhigh
Min. temperature8 °CJanuary
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window. Heating dries the air: use a humidifier or a pebble tray.
Spider mites love dry heated air – check the undersides of the leaves.
February
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window. Heating dries the air: use a humidifier or a pebble tray.
Spider mites love dry heated air – check the undersides of the leaves.
March
When the top 2–3 cm of soil are dry.
First weak dose at the end of the month if it is actively growing.
Bright spot, east or west window.
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
April
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Bright spot, east or west window.
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
May
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Semi-shaded balcony or east/west window – protect from harsh midday sun.
After mid-May (last frosts) it can go outside – keep it in partial shade for the first 1–2 weeks to avoid sunburn.
June
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Semi-shaded balcony or east/west window – protect from harsh midday sun.
July
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Semi-shaded balcony or east/west window – protect from harsh midday sun.
August
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Semi-shaded balcony or east/west window – protect from harsh midday sun.
September
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Semi-shaded balcony or east/west window – protect from harsh midday sun.
Bring it in when nights drop below 13 °C. Check for pests first.
October
When the top 2–3 cm of soil are dry.
No feeding now.
Bright spot, east or west window.
November · now
When the top 2–3 cm of soil are dry.
No feeding now.
Bright spot, east or west window.
December
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window. Heating dries the air: use a humidifier or a pebble tray.
Spider mites love dry heated air – check the undersides of the leaves.
Pteris tip: Happy even in a shady bathroom; use lime-free water.
Australian brake – what to know
Australian brake (Pteris tremula) – family: Pteridaceae, genus: Pteris. Care guidelines: light: bright indirect; water: medium; min. 8 °C. It is not known to be toxic to cats or dogs.
Frequently asked questions
How often should I water Australian brake?
Moderately: water when the top 2–3 cm of soil is dry, and never let it sit in standing water.
How much light does Australian brake need?
It likes bright but indirect light, such as near an east- or west-facing window.
How cold can Australian brake get?
Keep it above 8 °C – it is frost-tender and needs a frost-free spot in winter.
Is Australian brake toxic to cats and dogs?
It is not known to be toxic to cats or dogs.
What members’ data shows
When does it really bloom?
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Average watering interval
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Questions about this species
Pteris
Care data is for guidance only.
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