0Melocactus – 5
Melocactus
Genus – the data refers to the whole genus Melocactus, not to a single species.
- Taxonomy
- Family: Cactaceae · Genus: Melocactus
Still missing: plant type, native distribution, natural habitat, height / growth form, flowering period, growth & dormancy period.
Tips & experience from members
What worked for you? Your plant’s growing conditions are attached automatically, so others can see who it works for.
No tips for this species yet – be the first to share what worked for you!
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
Waterlow
Lightfull sun
Humiditymedium
Min. temperature15 °CJanuary
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Warm room (above 15 °C), at the brightest window, away from radiators and draughts.
Spider mites love dry heated air – check the undersides of the leaves.
February
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Warm room (above 15 °C), at the brightest window, away from radiators and draughts.
Spider mites love dry heated air – check the undersides of the leaves.
March
Deeply, but only once the soil is completely dry.
First weak dose at the end of the month if it is actively growing.
The sunniest window (south or west).
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
April
Deeply, but only once the soil is completely dry.
Cactus fertiliser once a month at half strength.
The sunniest window (south or west).
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
It flowers next month – once you see buds, don’t move it any more.
May
Deeply, but only once the soil is completely dry.
Cactus fertiliser once a month at half strength.
The sunniest window (south or west).
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
June
Deeply, but only once the soil is completely dry – more often in heatwaves, preferably in the evening.
Cactus fertiliser once a month at half strength.
Bright window indoors, midday sun filtered by a curtain; away from draughts and air-con.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
July
Deeply, but only once the soil is completely dry – more often in heatwaves, preferably in the evening.
Cactus fertiliser once a month at half strength.
Bright window indoors, midday sun filtered by a curtain; away from draughts and air-con.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
August
Deeply, but only once the soil is completely dry – more often in heatwaves, preferably in the evening.
Cactus fertiliser once a month at half strength.
Bright window indoors, midday sun filtered by a curtain; away from draughts and air-con.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
September
Deeply, but only once the soil is completely dry.
Cactus fertiliser once a month at half strength.
The sunniest window (south or west).
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
October
Deeply, but only once the soil is completely dry.
No feeding now.
The sunniest window (south or west).
Keep it away from radiators; watch for spider mites in the dry air.
November · now
Deeply, but only once the soil is completely dry.
No feeding now.
The sunniest window (south or west).
December
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Warm room (above 15 °C), at the brightest window, away from radiators and draughts.
Spider mites love dry heated air – check the undersides of the leaves.
Never let it drop below 15 °C; mature plants grow a cephalium from which they flower.
Melocactus – what to know
Melocactus: a plant genus (Cactaceae). Care guidelines: light: full sun; water: low; min. 15 °C. It is not known to be toxic to cats or dogs.
Frequently asked questions
How often should I water Melocactus?
Sparingly: let the soil dry out completely between waterings, and water even less in winter.
How much light does Melocactus need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Melocactus get?
Keep it above 15 °C – it is frost-tender and needs a frost-free spot in winter.
Is Melocactus toxic to cats and dogs?
It is not known to be toxic to cats or dogs.
When does Melocactus flower?
Typical flowering time: May, June, July, August, September.
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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