0Polystichum – 3
Polystichum
Genus – the data refers to the whole genus Polystichum, not to a single species.
- Taxonomy
- Family: Dryopteridaceae · Genus: Polystichum
Still missing: plant type, native distribution, natural habitat, height / growth form, flowering period, growth & dormancy period.
Tips & experience from members
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How members water it
Not enough logs yet: at least 3 plants with regular watering logs are needed (now: 0). Waterings logged in Care feed this – anonymised and aggregated.
How it thrives
Watermedium
Lightshade
Humiditymedium
Min. temperature-20 °CJanuary
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
February
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
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 indirect light, north or east window.
April
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Bright indirect light, north or east window.
May
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Bright indirect light, north or east window.
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.
Bright spot without direct sun, north or east window.
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.
Bright spot without direct sun, north or east window.
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.
Bright spot without direct sun, north or east window.
September
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Bright indirect light, north or east window.
October
When the top 2–3 cm of soil are dry.
No feeding now.
Bright indirect light, north or east window.
November · now
When the top 2–3 cm of soil are dry.
No feeding now.
Bright indirect light, north or east window.
December
When the top 2–3 cm of soil are dry – less often in winter, with room-temperature water.
No feeding now.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
Cut off old fronds in spring before the new ones unfurl.
Polystichum – what to know
Polystichum: a plant genus (Dryopteridaceae). Care guidelines: light: shade; water: medium; min. -20 °C. It is not known to be toxic to cats or dogs.
Frequently asked questions
How often should I water Polystichum?
Moderately: water when the top 2–3 cm of soil is dry, and never let it sit in standing water.
How much light does Polystichum need?
It copes well with partial shade and darker spots; keep it out of harsh direct sun.
How cold can Polystichum get?
Frost-hardy to about -20 °C – it can overwinter outdoors in many climates.
Is Polystichum 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?
No blooms logged yet. If yours flowers, your data will be the first!
Average watering interval
Not enough watering logs yet. Waterings logged in the care hub feed this chart.
Questions about this species
Care data is for guidance only.
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