This article was prepared with the support of UFL flower delivery. The Venus flytrap (Dionaea muscipula) is the best-known carnivorous plant in the world. Its trap leaves snap shut faster than you can blink and then digest the prey, obtaining nitrogen and other nutrients that are scarce in poor, boggy soils. Below are facts about the flytrap and practical tips for growing it at home.
The inner surface of each trap has three sensitive trigger hairs. If an insect touches them twice within about 20 seconds, the lobes snap together and the long teeth along the edges form a "cage". Tiny gnats can slip out, which suits the plant: spending energy on very small prey doesn't pay off. If the victim keeps struggling, the trap seals tightly, releases digestive juices and reopens 5–10 days later, leaving only the empty exoskeleton.
| Factor | What it needs |
|---|---|
| Light | At least 4–6 hours of direct sun: a south-facing window or a grow light. In shade the traps turn pale and leggy. |
| Water | Distilled, rain or reverse-osmosis water only. Minerals in tap water kill the roots. Keep the pot in a tray with 1–2 cm of water. |
| Soil | Acidic sphagnum peat mixed 1:1 with perlite or silica sand, no fertiliser or lime. |
| Pot | Plastic or glazed, with drainage holes. Repot every 1–2 years in spring. |
| Feeding | No fertiliser needed. In summer, if the plant lives indoors, offer a live insect about a third of the trap's size every 2–3 weeks. |
| Dormancy | From November to February, rest at 0–10 °C (a cold balcony or a windowsill next to the glass). Without dormancy the plant weakens and dies within 1–2 years. |
If you like the flytrap, look at its "colleagues": sundews (Drosera) with sticky droplets on their leaves, pitcher-shaped Sarracenia and butterworts (Pinguicula), the easiest of all to care for. And for plants that are dangerous to people, read about the Alnwick Poison Garden. For more unusual plants for your home, see houseplants.
No. The trap cannot hurt a finger, and the plant is not poisonous to people or pets.
With proper care and a yearly dormancy, 20 years or more.
That's normal after 3–5 closures or a meal. Widespread blackening points to hard water, too little light, prey that is too large or the approach of winter dormancy.
In the wild, tiny froglets or snails occasionally end up in the traps, but its main prey is ants, spiders, beetles and flies.
Author: Maria Svitlovir
Graduated from Taras Shevchenko National University of Kyiv, Institute of Biology and Medicine (2001). BSc in Biology, MSc in Horticulture. Writes about plants, works at a garden centre selecting and repotting plants, and contributes to plant reference guides.
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