Growli

Plant care

Violet Corkscrew Plant (Corkscrew Plant) care

Genlisea violacea

Also called Violet Corkscrew Plant, Corkscrew Plant.

RHS H1bUSDA 10-12Mildly toxic to petsIndoor Aerial rosette 3–8 cm across

Watering rhythm

Bright indirect light (just back from a sunny window)

Keep substrate constantly moist to wet; shallow tray method recommended

Light

Bright indirect light (just back from a sunny window)

Soil

Pure long-fibre sphagnum moss, or a 1:1 mix of peat and coarse sand

Humidity

60–90%

Temp

15–28 °C

Pet safety

Mildly toxic to pets

Mature size

Aerial rosette 3–8 cm across

Care at a glance

Light

Violet Corkscrew Plant is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Bright indirect light for 10–12 hours daily, or supplemental LED grow-lights positioned 15–20 cm above the rosette; the small rosette scorches in harsh midday direct sun but performs poorly in shade. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water violet corkscrew plant keep substrate constantly moist to wet; shallow tray method recommended. 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 only distilled, rainwater, or RO water — the species is adapted to highly mineral-poor, waterlogged highland seeps and is sensitive to calcium and other dissolved solutes in tap water.

Soil and pot

Violet Corkscrew Plant grows best in pure long-fibre sphagnum moss, or a 1:1 mix of peat and coarse sand. Long-fibre sphagnum gives the best results, keeping the underground traps in the correct humid, aerated, nutrient-free zone where they can function; the substrate must be kept permanently damp. 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

Violet Corkscrew Plant sits happiest at around 60–90% humidity and 15–28 °C (59–82 °F). Thrives in high humidity and is best maintained in a terrarium or humid propagator; lower humidity can be tolerated if temperatures are stable, but sudden drops cause leaf die-back. If you keep the room above 15–28 °C 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 violet corkscrew plant sparingly. Apply diluted MaxSea or orchid fertiliser at 1/8 strength as a foliar mist every 4–6 weeks; the underground traps supply most nutrients, so supplemental feeding should be minimal. 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 violet corkscrew plant in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Aphid infestationAphids are the most common pest on Genlisea; submerge the entire plant in pure water for 24–48 hours — aphids breathe air and will drown or float to the surface, while the plant is unharmed.
  • Substrate drying outEven brief drying of the growing medium kills the delicate underground traps and can cause the whole plant to collapse; check the tray water level daily and never allow the sphagnum or peat to pale or contract.

Propagation

Remove a complete leaf with its white basal portion and lay it flat on wet long-fibre sphagnum under high humidity; flower scapes can also be planted on wet sphagnum to produce new plantlets. Division of established clumps is the fastest 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

Violet Corkscrew Plant is mildly toxic to pets. Genlisea violacea is not listed in the ASPCA Toxic and Non-Toxic Plant database. No confirmed toxicity data exists for pets, but the plant's carnivorous nature and lack of any formal safety listing mean it cannot be classified as pet-safe — consult a vet if ingestion is suspected. 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.

Violet Corkscrew Plant care — frequently asked questions

What is the common name for Genlisea violacea?

Genlisea violacea is most commonly called Violet Corkscrew Plant, but it is also known as Violet Corkscrew Plant, Corkscrew Plant. The names refer to the same species, so care instructions for Violet Corkscrew Plant apply identically to anything sold as Corkscrew Plant.

How much light does violet corkscrew plant need?

Violet Corkscrew Plant grows best in bright indirect light (just back from a sunny window). Bright indirect light for 10–12 hours daily, or supplemental LED grow-lights positioned 15–20 cm above the rosette; the small rosette scorches in harsh midday direct sun but performs poorly in shade.

How often should I water violet corkscrew plant?

Water violet corkscrew plant keep substrate constantly moist to wet; shallow tray method recommended. Use only distilled, rainwater, or RO water — the species is adapted to highly mineral-poor, waterlogged highland seeps and is sensitive to calcium and other dissolved solutes in tap water. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is violet corkscrew plant toxic to cats and dogs?

Violet Corkscrew Plant is mildly toxic to pets. Genlisea violacea is not listed in the ASPCA Toxic and Non-Toxic Plant database. No confirmed toxicity data exists for pets, but the plant's carnivorous nature and lack of any formal safety listing mean it cannot be classified as pet-safe — consult a vet if ingestion is suspected.

What USDA hardiness zone does violet corkscrew plant grow in?

Violet Corkscrew Plant is rated for USDA zone 10-12 (indoor in most climates) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Violet Corkscrew Plant deep-dive guides

Every aspect of violet corkscrew plant care, each with its own calibrated guide:

Featured in these plant shortlists

Violet Corkscrew Plant qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Violet Corkscrew Plant is also commonly called Violet Corkscrew Plant or Corkscrew Plant.