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Watering schedule

How often to water Stoloniferous Sundew (Drosera stolonifera) — the schedule

Also called Stoloniferous sundew, Leafy sundew.

More about stoloniferous sundew

About Stoloniferous Sundew

Drosera stolonifera · also called Stoloniferous sundew, Leafy sundew · flowering

Drosera stolonifera is a tuberous perennial carnivorous plant endemic to the south-west corner of Western Australia, growing in peaty, water-logged swamp heathland and Jarrah forest around Perth south to Pinjarra. It breaks dormancy in autumn, producing a horizontal stolon that inflates into a basal rosette from which 2–4 semi-erect stems arise; the most critical care fact is respecting its mandatory hot, dry summer dormancy — withhold water once leaves die back. Drosera species are not definitively listed by the ASPCA; treat as mildly-toxic for pets.

Ideal humidity: 40–60% during growing season

Watch for — Tuber rot during dormancy: The most common cause of plant death; once the plant dies back allow the soil to dry fully and store in a warm, dry spot — any residual moisture around the tuber in summer causes fungal rot.

The watering schedule, season by season

Stoloniferous Sundew 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 stoloniferous sundew is tray method during winter growing season; completely dry during summer dormancy, 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.

During the active season (autumn–spring) keep the soil moist via a shallow water tray using distilled or rainwater only; once the plant begins to die back in late spring, stop watering and allow the mix to dry completely for 3 months.

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 stoloniferous sundew in seconds.

How to tell stoloniferous sundew needs water

A calendar is the worst way to water stoloniferous sundew. Check the plant and the soil instead — for this species, look for these signals in order:

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 stoloniferous sundew for a day is almost always safer than over-watering it.

Overwatering vs underwatering stoloniferous sundew

The two failure modes can look alike at a glance, so check the soil weight and wetness before you decide. For stoloniferous sundew specifically:

Signs you are overwatering

Signs you are underwatering

Tap or bottled mineral water kills stoloniferous sundew. 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 stoloniferous sundew.

Seasonal and environmental adjusters

Every figure above shifts with the conditions in your home. For stoloniferous sundew, the levers that matter most are:

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 stoloniferous sundew.

Stoloniferous Sundew watering — frequently asked questions

How often should I water stoloniferous sundew?

Water stoloniferous sundew tray method during winter growing season; completely dry during summer dormancy. 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 stoloniferous sundew 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 stoloniferous sundew is the first signal on that list — checking the soil or the plant directly always beats watering by the calendar.

What does an overwatered stoloniferous sundew 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 stoloniferous sundew. Its roots cannot handle dissolved minerals — only rain, distilled, or reverse-osmosis water will do.

What are the signs of an underwatered stoloniferous sundew?

Traps go limp and brown; pitchers dry up. The medium dries out and the plant collapses quickly.

Can I use tap water on stoloniferous sundew?

Only rainwater, distilled or reverse-osmosis water — never tap, mineral or softened water. This is the single most important rule for stoloniferous sundew.

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