
Black Maidenhair Fern
Adiantum capillus-veneris
A fern. Prefers partial shade. Wants a moisture-retentive substrate. As a species it wants water about every 3 days. Not known to be toxic.
Black Maidenhair Fern: how often should you water it?
That’s the interval our references converge on for this species indoors: roughly every 3 days between waterings, adjusted for your light and your season.
What we do and don’t publish
Why we don’t give you a date.
We publish the interval this species usually wants. We don’t publish a date for your plant — nothing here measures it. The interval is a starting point you adjust from what you actually log.
Care cadences
Not established for this species: clean leaves. We’d rather leave them empty than guess.
What’s known about this species
Light
Environment
Soil & pot
Pot in a light, moisture-retentive mix (peat-free compost with added perlite) with good drainage; repot annually in spring as the fine roots quickly fill small pots.
Toxicity
Not reported as toxic to cats or dogs — ferns in this class are generally considered pet-safe, though ingesting large amounts of any plant can cause mild stomach upset.
A short profile, on purpose
1 of the fields we publish aren’t established for this species in the references we trust. Empty means unknown — not zero, and not a guess.
Suggest a correctionThe species’ year
A typical year for this species in a temperate northern home. It shifts with your light and your latitude — we don’t track your plant’s season, so treat this as rhythm, not schedule.
Verdalia holds the interval, your log moves it. Free to start.
Verdalia publishes species guidance curated from horticultural references. It does not measure your plant — you log what you do, and the intervals adjust to what you log. Suggest a correction