Pygmy Sundew (scorpion sundew) care

Light

Pygmy Sundew needs sun on the leaves, not just bright ambient room light. Needs very bright light, several hours of direct sun or strong grow lights, to grow compact and develop red colour and abundant sticky dew. A bright south-facing sill is ideal. In weak light the rosettes stretch, lose their colour, and produce less mucilage, catching fewer insects. A south or west-facing windowsill in the northern hemisphere is the default; anywhere else, expect the plant to stretch and pale out within a season.

Watering

Water pygmy sundew keep soil moist via a shallow tray; top up as it dries. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Use the tray method with a thin layer of water so the soil stays moist but not deeply waterlogged; pygmy sundews dislike being permanently flooded. Use ONLY rainwater, distilled, or reverse-osmosis water. Ease back slightly in the cooler gemmae season, but never let the small plants dry out completely.

Soil and pot

Pygmy Sundew grows best in lean, sandy acidic carnivorous mix. Plant in a free-draining, nutrient-free blend leaning sandy: peat (or coir) with a high proportion of lime-free sand and perlite suits the long, fine roots of pygmy sundews. No fertiliser, lime, or standard compost. A deep pot accommodates the surprisingly long taproot relative to the tiny rosette. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Pygmy Sundew sits happiest at around 50-70% humidity and 5-30°C (41-86°F). Appreciates moderate humidity, which helps the dew droplets form, but with good airflow to prevent rot on the small rosettes. The constantly moist tray raises local humidity. It does not need a sealed terrarium; a bright, airy windowsill with pure-water trays generally keeps the dew glistening. If you keep the room above 5 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed pygmy sundew sparingly. Never add soil fertiliser; it feeds by trapping small insects on its sticky tentacles. Indoors with few insects, occasionally let it catch tiny flies or offer a very small piece of rehydrated bloodworm to a leaf. The plant is tiny, so feed minimally if at all. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on pygmy sundew in the Growli community. Each is annotated with the most common cause so you know where to start.

• Loss of dew — Tentacles with no sticky droplets usually mean light is too low, humidity too low, or air too dry from heating. Increase light and humidity, and keep the tray topped up with pure water.
• Mineral-water decline — Tap or mineral water salts kill these salt-sensitive plants. Use only rainwater, distilled, or RO water in the tray.
• Rot in still, wet conditions — Permanently flooded soil with poor airflow rots the small rosettes. Keep the soil moist, not saturated, and ensure good air movement.
• Etiolated, stretched rosettes — Pale, elongated growth signals insufficient light. Move to a brighter window or add grow lights for compact, red, dewy rosettes.

Propagation

Famously easy from gemmae: in autumn/winter the plant produces small clonal buds at the rosette centre. Scatter these on damp carnivorous mix and keep moist and bright; they root within days to form new identical plants. Leaf cuttings and seed are also possible but gemmae are by far the simplest method. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Pygmy Sundew is pet-safe. Not individually listed by the ASPCA, but Drosera sundews are not classified as toxic and are generally considered non-toxic to cats and dogs; the sticky secretions may cause mild irritation and ingesting plant material can cause mild stomach upset. Keep out of reach mainly to protect the delicate, tiny plants from curious pets. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Pygmy Sundew deep-dive guides

Every aspect of pygmy sundew care, each with its own calibrated guide:

• Pygmy Sundew watering schedule
• Pygmy Sundew light requirements
• Best soil mix for pygmy sundew
• Pygmy Sundew fertilizing guide
• When to repot pygmy sundew
• How to propagate pygmy sundew
• Pygmy Sundew growth rate & size
• Pygmy Sundew cold hardiness
• Pygmy Sundew temperature & humidity
• Is pygmy sundew toxic to cats & dogs?
• Is pygmy sundew toxic to cats?
• Is pygmy sundew toxic to dogs?

Featured in these plant shortlists

Pygmy Sundew qualifies for 9 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
• Best small & tabletop houseplants — Compact houseplants that stay under about 40 cm — desk, shelf and windowsill plants that never outgrow a small space.
• Best houseplants for full sun — Houseplants that want direct sun — the species for a hot south or west-facing windowsill where shade-lovers scorch.
• Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
• Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
• Best small pet-safe plants — Compact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Pygmy Sundew is also commonly called pygmy sundew or scorpion sundew.

• Snake plant care — light, water and common problems
• Dracaena care — light, water and common problems
• Peperomia care — light, water and common problems
• All 2464 plant care guides in the Growli library