0How it thrives
Waterhigh
Lightfull sun
Humidityhigh
Min. temperature-25 °CJanuary
Keep evenly moist but never waterlogged – less often in winter, with room-temperature water. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
February
Keep evenly moist but never waterlogged – less often in winter, with room-temperature water. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
March
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
The sunniest window (south or west).
April
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
The sunniest window (south or west).
May
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
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.
June
Keep evenly moist but never waterlogged – more often in heatwaves, preferably in the evening. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
Above 35 °C, shade it at midday to prevent sunburn.
July
Keep evenly moist but never waterlogged – more often in heatwaves, preferably in the evening. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
Above 35 °C, shade it at midday to prevent sunburn.
August
Keep evenly moist but never waterlogged – more often in heatwaves, preferably in the evening. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
Above 35 °C, shade it at midday to prevent sunburn.
September
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
October
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
The sunniest window (south or west).
November · now
Keep evenly moist but never waterlogged. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
The sunniest window (south or west).
December
Keep evenly moist but never waterlogged – less often in winter, with room-temperature water. Rain or distilled water only!
Don’t fertilise – it feeds itself from insects.
It can stay outside. Wrap the pot (hessian, polystyrene) and keep it against the house wall, out of the rain.
The Cape sundew is the easiest carnivore – bright light and always-wet, lime-free soil.
Round-leaved sundew – what to know
Round-leaved sundew (Drosera rotundifolia) belongs to the Droseraceae family (genus Drosera) and is listed in our catalog under “Carnivorous”. Its needs – light: full sun; water: high; humidity: high. Frost-hardy to about -25 °C – it can overwinter outdoors in many climates. Typical flowering time: June, July, August. Easy enough for beginners. 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 Drosera species in the catalog →Detailed toxicity data →
Frequently asked questions
How often should I water Round-leaved sundew?
Generously: keep the soil evenly moist and never let it dry out completely.
How much light does Round-leaved sundew need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Round-leaved sundew get?
Frost-hardy to about -25 °C – it can overwinter outdoors in many climates.
Is Round-leaved sundew toxic to cats and dogs?
It is not known to be toxic to cats or dogs.
When does Round-leaved sundew flower?
Typical flowering time: June, July, August.
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
Drosera
Care data is for guidance only.
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