Moon cactus
Gymnocalycium mihanovichii
A cactus. Prefers bright indirect light. Wants a fast-draining substrate. As a species it wants water about every 14 days. Not known to be toxic.
Moon cactus: how often should you water it?
That’s the interval our references converge on for this species indoors: roughly every 14 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 needed for this species: clean leaves · mist.
What’s known about this species
Light
Environment
Soil & pot
Small pot with drainage; gritty cactus mix. Usually sold as a colorful chlorophyll-free scion grafted onto a green rootstock.
Toxicity
Non-toxic to humans and pets (verified non-toxic).
The 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