0How it thrives
Waterlow
Lightfull sun
Humiditylow
Min. temperature5 °CJanuary
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window.
February
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window.
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.
May
Deeply, but only once the soil is completely dry.
Cactus fertiliser once a month at half strength.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
After mid-May (last frosts) it can go outside – keep it in partial shade for the first 1–2 weeks to avoid sunburn.
June
Summer rest: barely water, at most a sip at the pot edge once a month.
No feeding now.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Above 35 °C, shade it at midday to prevent sunburn.
July
Summer rest: barely water, at most a sip at the pot edge once a month.
No feeding now.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Above 35 °C, shade it at midday to prevent sunburn.
August
Summer rest: barely water, at most a sip at the pot edge once a month.
No feeding now.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It flowers next month – once you see buds, don’t move it any more.
Above 35 °C, shade it at midday to prevent sunburn.
September
Deeply, but only once the soil is completely dry.
Cactus fertiliser once a month at half strength.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Bring it in when nights drop below 10 °C. Check for pests first.
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).
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
November · now
Deeply, but only once the soil is completely dry.
No feeding now.
The sunniest window (south or west).
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
December
Deeply, but only once the soil is completely dry – less often in winter, with room-temperature water.
No feeding now.
Bright and moderately cool (10–16 °C), e.g. a bedroom window.
Summer-dormant: keep it dry and lightly shaded in summer; it grows from autumn to spring.
Conophytum calculus – what to know
Conophytum calculus belongs to the Aizoaceae family (genus Conophytum) and is listed in our catalog under “Succulent”. Its needs – light: full sun; water: low; humidity: low. Keep it above 5 °C – it is frost-tender and needs a frost-free spot in winter. Rest period: summer dormancy. Typical flowering time: September, October, November. Moderately demanding to grow. It is not known to be toxic to cats or dogs. Nobody on Perfect Plants Club has added it to their collection yet – be the first!
All Conophytum species in the catalog →Detailed toxicity data →
Frequently asked questions
How often should I water Conophytum calculus?
Sparingly: let the soil dry out completely between waterings, and water even less in winter.
How much light does Conophytum calculus need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Conophytum calculus get?
Keep it above 5 °C – it is frost-tender and needs a frost-free spot in winter.
Is Conophytum calculus toxic to cats and dogs?
It is not known to be toxic to cats or dogs.
When does Conophytum calculus flower?
Typical flowering time: September, October, November.
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.
Tips and questions about this species
Conophytum
Care data is for guidance only.
Log in to comment.