How to Care for Marsilea quadrifolia (Water clover)
Korean name: 네가래
This cute aquatic fern resembles a four-leaf clover. It is popular for aquariums, terrariums, and pond landscaping.
Key facts
- Category: Aquatic plant
- Family: Marsileaceae
- Difficulty: Easy
- Where to keep: indoors
- Native to: Europe, Asia
- Growth rate: Moderate
- Pets: No known toxicity, so it is fine to keep around pets.
- Traits: Aquatic, Aquarium, Four-Leaf Clover, Terrarium
- Also known as: Water clover, European water clover
Care Guide
- Light: Bright indirect light to weak direct sunlight.
- Watering: Cultivate in shallow water or moist soil.
- Soil: Clayey paddy soil or substrate for aquatic plants
- Humidity: High humidity
- Temperature: 15~25°C
- Fertilizer: Bi-weekly liquid fertilizer during the growing season
Detailed care guide
Water clover is an aquatic fern with a charming look, resembling a four-leaf clover, and it's often used in aquariums, terrariums, and water-garden displays.
Watering
Water clover does best kept in shallow water or with the soil consistently moist. If it doesn't get enough water, the leaf tips can dry out and turn brown, so don't let it go too long without water.
Light
It grows well in bright indirect light or gentle direct sunlight. If light is too weak, the stems grow thin and leggy, while healthy leaves develop well under stronger light.
Humidity
Water clover likes high humidity, so make sure the surrounding air doesn't dry out. If it's too dry, the leaves can start turning brown from the tips.
Temperature
It grows healthy between 15–25°C. At too low a temperature, growth can slow or leaves can drop, so it's important to maintain a suitable temperature.
A common first-timer mistake
When first growing it, be careful not to let the humidity in the soil or aquarium drop. Dryness easily causes the leaf tips to turn brown, so check your watering schedule and environment carefully.
If you have pets
Water clover has no known toxicity to pets. That said, eating too much of any plant can cause an upset stomach, so move it out of reach if your pet chews on it habitually.
Care by Season
Water clover grows best from spring through fall, when temperatures are suitable and there's plenty of sunlight. In winter or cooler weather, growth slows, so pay attention to temperature management. In summer, water can evaporate quickly, so check the moisture level often.
Common Problems and Fixes
Yellow, mushy leaves can be a sign of overwatering, so make sure drainage is adequate. Dry, browning leaf tips signal a lack of water or low humidity. If light is lacking, the stems can grow leggy, so keep it in a reasonably bright spot.
Repotting and Propagation
Water clover grows well in clay-rich paddy-style soil or substrate made for aquatic plants. Consider repotting if the roots become tangled and overcrowded. Propagation is easy by dividing healthy roots and stems.
Who It's Great For
It's easy enough for beginners to grow, and it suits spaces like aquariums or terrariums well. It's an appealing plant for anyone looking for greenery for a small water garden or indoor water feature, or anyone who loves its distinctive four-leaf-clover look.
Written by AI from the care facts in this entry. Treat it as a starting point.
Common questions
How often should you water Marsilea quadrifolia?
Cultivate in shallow water or moist soil. Roughly every 2 days is the baseline; adjust for the season and the spot it sits in.
Where should you keep Marsilea quadrifolia?
It likes Bright indirect light to weak direct sunlight.. You can grow it indoors. Use Clayey paddy soil or substrate for aquatic plants.
Is Marsilea quadrifolia safe around pets?
No known toxicity, so it is fine to keep around pets.
Is Marsilea quadrifolia good for beginners?
Difficulty: Easy. It is forgiving enough for a first plant. Keep it around 15~25°C. Humidity: High humidity. Fertilise Bi-weekly liquid fertilizer during the growing season.