Watering schedule
How often to water Drosera capensis 'Red' (Drosera capensis 'Red') — the schedule
Also called Red Cape Sundew, All-Red Cape Sundew.
More about drosera capensis 'red'
About Drosera capensis 'Red'
Drosera capensis 'Red' · also called Red Cape Sundew, All-Red Cape Sundew · houseplant
Drosera capensis 'Red' is an all-red form of the Cape sundew from South Africa, whose strap-like leaves are coated in glistening, insect-catching tentacles that flush deep burgundy in strong light. It is one of the easiest carnivorous plants: give it bright sun, permanently wet mineral-free media watered with pure water, and it thrives and self-seeds readily.
Ideal humidity: 40-60%
Watch for — Media drying out: Letting the tray run dry stresses or kills the plant. Keep it standing in pure water at all times.
The watering schedule, season by season
Drosera capensis 'Red' is a bog plant adapted to nutrient-poor wet ground — it must sit in a tray of pure water and must never get tap water or fertiliser. The base rhythm for drosera capensis 'red' is keep media constantly wet; stand in 1-2 cm of water year-round via the tray method, but the real interval moves with the season, the light and the pot — so treat the figures below as a starting point and always confirm with the plant itself.
- Spring & summer (active growth): Spring and summer: keep the pot standing in 1-2 cm of distilled or rainwater at all times; top the tray up as it is taken up.
- Autumn (slowing down): Autumn: lower the tray water level as growth slows and (for temperate species) dormancy approaches.
- Winter (rest / dormancy): Winter: keep just damp, not flooded — many temperate carnivores need a cool dormancy with far less water.
Use rain, distilled or RO water only. Cape sundews like to stay permanently waterlogged, unlike Nepenthes; never let the media dry out and never use tap or mineral water.
Want this turned into a live reminder that adjusts to your home and the weather? The Growli watering calculator takes your pot size, light and season and returns a starting interval for drosera capensis 'red' in seconds.
How to tell drosera capensis 'red' needs water
A calendar is the worst way to water drosera capensis 'red'. Check the plant and the soil instead — for this species, look for these signals in order:
- The tray has run dry (during active growth it should rarely be empty).
- The peat-based medium feels dry rather than wet.
- Traps or pitchers shrivel or fail to form.
The most reliable single check is the first one on that list. When two signals agree, water; when they disagree, wait a day and look again — under-watering drosera capensis 'red' for a day is almost always safer than over-watering it.
Overwatering vs underwatering drosera capensis 'red'
The two failure modes can look alike at a glance, so check the soil weight and wetness before you decide. For drosera capensis 'red' specifically:
Signs you are overwatering
- Blackening traps or pitchers from stagnant, warm, mineral-laden water.
- Rotting crown if kept warm and flooded through winter dormancy.
Signs you are underwatering
- Traps go limp and brown; pitchers dry up.
- The medium dries out and the plant collapses quickly.
Tap or bottled mineral water kills drosera capensis 'red'. Its roots cannot handle dissolved minerals — only rain, distilled, or reverse-osmosis water will do.
Water quality notes
Only rainwater, distilled or reverse-osmosis water — never tap, mineral or softened water. This is the single most important rule for drosera capensis 'red'.
Seasonal and environmental adjusters
Every figure above shifts with the conditions in your home. For drosera capensis 'red', the levers that matter most are:
- Bright light plus the water tray is the whole game — no fertiliser ever goes in the soil.
- In hot weather the tray empties fast; check it daily.
- Temperate species need a cooler, drier winter dormancy, not constant flooding.
Pot choice is part of this too — work out the right size with the pot size calculator, since a pot that is too big stays wet long enough to rot the roots of drosera capensis 'red'.
Drosera capensis 'Red' watering — frequently asked questions
How often should I water drosera capensis 'red'?
Water drosera capensis 'red' keep media constantly wet; stand in 1-2 cm of water year-round via the tray method. Spring and summer: keep the pot standing in 1-2 cm of distilled or rainwater at all times; top the tray up as it is taken up. Winter: keep just damp, not flooded — many temperate carnivores need a cool dormancy with far less water.
How do I know when drosera capensis 'red' needs water?
The tray has run dry (during active growth it should rarely be empty). The peat-based medium feels dry rather than wet. Traps or pitchers shrivel or fail to form. The single most reliable test for drosera capensis 'red' is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.
What does an overwatered drosera capensis 'red' look like?
Blackening traps or pitchers from stagnant, warm, mineral-laden water. Rotting crown if kept warm and flooded through winter dormancy. Tap or bottled mineral water kills drosera capensis 'red'. Its roots cannot handle dissolved minerals — only rain, distilled, or reverse-osmosis water will do.
What are the signs of an underwatered drosera capensis 'red'?
Traps go limp and brown; pitchers dry up. The medium dries out and the plant collapses quickly.
Can I use tap water on drosera capensis 'red'?
Only rainwater, distilled or reverse-osmosis water — never tap, mineral or softened water. This is the single most important rule for drosera capensis 'red'.
Keep reading
- Watering drosera capensis 'red' in the UK — hard vs soft tap water
- Drosera capensis 'Red' care — the full brief (light, soil, humidity, problems, pet safety)
- Watering calculator — get a starting interval for your exact pot and light
- Pot size calculator — the right pot keeps watering forgiving
- Overwatered plant — signs and how to recover it
- Underwatered plant — signs and how to rehydrate it
- Why is my plant wilting? Wet vs dry diagnosis
- How often to water snake plant
- How often to water dracaena
- How often to water peperomia
- All 3899 watering schedules in the Growli library