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Plant care

Chilean Butterwort (Chile Butterwort) care

Pinguicula chilensis

Also called Chile Butterwort, Temperate Butterwort.

RHS H4USDA 8-11Pet-safeIndoor 5-12 cm rosette diameter

Watering rhythm

5-10days

Water from below by brief tray sitting every 5-10 days when the soil surface begins to dry; dry out slightly between waterings in winter

Light

Bright indirect light (just back from a sunny window)

Soil

Perlite-heavy carnivorous mix (e.g. 50% perlite, 25% peat, 25% coarse sand)

Humidity

40-60%

Temp

0-25°C

Pet safety

Pet-safe

Mature size

5-12 cm rosette diameter

Care at a glance

Light

Bright but filtered. Chilean Butterwort burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Prefers bright indirect light or several hours of gentle direct morning sun. South- or east-facing windowsills work well. Avoid harsh midday summer sun, which can scorch the delicate sticky leaves. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering chilean butterwort: water from below by brief tray sitting every 5-10 days when the soil surface begins to dry; dry out slightly between waterings in winter. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Use distilled, rainwater, or reverse-osmosis water only. Pinguicula are sensitive to minerals. The tray method (brief, not permanent waterlogging) suits temperate species; standing water can cause crown rot.

Soil and pot

Chilean Butterwort grows best in perlite-heavy carnivorous mix (e.g. 50% perlite, 25% peat, 25% coarse sand). Nutrient-poor, very well-draining, and slightly acidic. Unlike tropical Pinguicula, temperate species prefer a less moisture-retentive mix. Avoid peat-only mixes that stay too wet. 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

Chilean Butterwort sits happiest at around 40-60% humidity and 0-25°C (32-77°F). Tolerates typical household humidity. High humidity is not critical for temperate Pinguicula. Good air movement helps prevent fungal issues, especially during the cool resting phase. If you keep the room above 0 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 chilean butterwort sparingly. No soil feeding. The plant obtains nutrients from trapped insects. Extremely dilute foliar misting (1/8 strength MaxSea or similar) onto the leaves once every few weeks can supplement nutrient intake if insect prey is limited. 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 chilean butterwort in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Leaf rot at crownResults from overwatering or permanent tray-sitting without a drying interval. Allow the substrate to partially dry and improve air circulation.
  • Leaf tip browningMineral salts in water cause tip burn. Switch to distilled or rainwater and flush the substrate with pure water occasionally.
  • Loss of stickiness on leavesUsually caused by too little light or the plant entering its non-carnivorous winter rosette phase, which is normal. Increase light in the growing season.
  • No flowersThe plant needs a cool rest period of several months below 10°C to initiate flowering. Move to an unheated space in winter.
  • Fungus gnatsParadoxically, fungus gnats are both prey and a minor pest if populations overwhelm the plant. Allow the soil to dry more between waterings to reduce larval habitat.

Companion plants

Chilean Butterwort pairs well with Pinguicula grandiflora, Drosera rotundifolia, Sarracenia purpurea, and Sphagnum moss. These are species with similar light and water needs, so you can group them in the same room or on the same shelf and water as a batch.

Propagation

Leaf pullings in spring or summer: gently remove a healthy leaf close to the base, place it flat on moist perlite-peat mix, and cover lightly. Plantlets emerge in 4-8 weeks. Division of offsets is also straightforward in spring. 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

Chilean Butterwort is pet-safe. Pinguicula chilensis is not listed on the ASPCA Toxic Plants database. Pinguicula species are not known to produce compounds toxic to cats, dogs, or horses and are widely regarded as pet-safe. 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.

Chilean Butterwort care — frequently asked questions

What is the common name for Pinguicula chilensis?

Pinguicula chilensis is most commonly called Chilean Butterwort, but it is also known as Chile Butterwort, Temperate Butterwort. The names refer to the same species, so care instructions for Chilean Butterwort apply identically to anything sold as Chile Butterwort.

How much light does chilean butterwort need?

Chilean Butterwort grows best in bright indirect light (just back from a sunny window). Prefers bright indirect light or several hours of gentle direct morning sun. South- or east-facing windowsills work well. Avoid harsh midday summer sun, which can scorch the delicate sticky leaves.

How often should I water chilean butterwort?

Water chilean butterwort water from below by brief tray sitting every 5-10 days when the soil surface begins to dry; dry out slightly between waterings in winter. Use distilled, rainwater, or reverse-osmosis water only. Pinguicula are sensitive to minerals. The tray method (brief, not permanent waterlogging) suits temperate species; standing water can cause crown rot. 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 chilean butterwort toxic to cats and dogs?

Chilean Butterwort is pet-safe. Pinguicula chilensis is not listed on the ASPCA Toxic Plants database. Pinguicula species are not known to produce compounds toxic to cats, dogs, or horses and are widely regarded as pet-safe.

What USDA hardiness zone does chilean butterwort grow in?

Chilean Butterwort is rated for USDA zone 8-11 and RHS hardiness H4. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Chilean Butterwort deep-dive guides

Every aspect of chilean butterwort care, each with its own calibrated guide:

Featured in these plant shortlists

Chilean Butterwort qualifies for 8 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

  • Best pet-safe houseplantsHouseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
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  • Best houseplants for a cool roomHouseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
  • Best cat-safe plantsHouseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
  • Best dog-safe plantsHouseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
  • Best small pet-safe plantsCompact, tabletop houseplants that are also ASPCA non-toxic to cats and dogs — safe greenery for a desk or shelf.
  • Browse all 30 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Chilean Butterwort is also commonly called Chile Butterwort or Temperate Butterwort.