Butterworts, also called Pinguicula or pings, are carnivorous plants whose sticky leaves catch small insects, including adult fungus gnats. They offer a living way to catch some of the flying gnats around a houseplant collection, alongside care for the affected pots.
Choose Esseriana for a compact rosette, compare Pirouette for foliage that can develop pink tones, or give Gigantea room for a larger leaf spread. Plan for suitable light and low-mineral water, and check the variety’s seasonal care needs before buying.
Which butterwort should I choose for a small space?
Pinguicula Esseriana has a compact rosette, making it a useful starting point when space is limited. Gigantea develops a much larger leaf spread, so give it more room than its starter pot suggests. Pirouette is worth comparing for foliage that can develop pink tones.
All use sticky leaves to catch small insects, but choose by the space and conditions you can provide, not an assumed number of gnats a plant will catch. Colour, leaf shape and stickiness can change with the variety’s growth phase; check its specific seasonal guidance.
Can a butterwort help get rid of fungus gnats?
Yes. A butterwort’s sticky leaves catch adult fungus gnats that land on them, making it a useful addition near a houseplant collection where you notice flying gnats. Choose a spot that also provides the light your butterwort needs.
It catches adults rather than the larvae in affected pots, so it cannot guarantee that an infestation will disappear on its own. Use it alongside attention to the source of the problem. For the other houseplant pots where gnats are breeding, see our fungus gnat guide.
How much light do butterworts need?
Our Esseriana, Pirouette and Gigantea care guides list medium to bright indirect light. Give them a bright position without harsh midday sun, or a suitable grow light. A dim desk away from a window is a poor starting point. Follow the individual care guide when adjusting light, rather than trying to force a particular leaf colour.
What water and potting mix should I use?
Distilled water is a straightforward low-mineral option; suitable rainwater can also be used. Avoid assuming ordinary filtered tap water has had its dissolved minerals removed. Choose a low-nutrient, well-draining mix suited to your Pinguicula rather than regular fertilized houseplant soil. Moisture needs change with the variety and its growth phase, so do not keep every butterwort permanently waterlogged.
Do butterworts change in winter?
Some Mexican butterworts, including Esseriana, can form smaller, less sticky leaves during a succulent growth phase and need less water then. This is not the same as a hardy plant’s cold winter dormancy, and not every Pinguicula follows the same cycle. Watch the plant’s growth and use its specific care guide before changing watering.
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