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B&Q£11.78Visit shop B&Q - Marsilea Quadrifolia (Water Shamrock)9Cm BarerootOxygenating Marginal Aquatic Pond Plant
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This guide is for gardeners looking to add unique texture and ecological benefits to their water features and damp garden areas. Marsilea quadrifolia, also known as Water Shamrock or four-leaf clover water fern, offers a striking groundcover effect with its clover-like leaves that float on or just above the water's surface. Its primary benefit is combining ornamental appeal with valuable habitat creation for aquatic invertebrates. A key consideration is its potential to spread, requiring occasional trimming to manage growth.
| Model Part Number | Marsilea Quadrifolia |
|---|---|
| Brand | Lincspplants |
It thrives in shallow water (up to 10cm deep), pond margins, damp soil, or boggy areas. It prefers full sun to partial shade.
Ideally, the water depth should be between the crown of the plant and the water surface, typically 0-10cm of standing water.
It prefers a rich, loamy substrate or pond soil. It can also grow directly in damp garden soil if it remains consistently moist.
Yes, Marsilea quadrifolia is safe for fish and provides beneficial shelter for aquatic invertebrates.
Trim as needed to control its spread, typically a few times during the growing season. This encourages denser growth and prevents it from taking over.
Yes, Marsilea quadrifolia is fully hardy in the UK and will overwinter, typically dying back to its roots and regrowing in spring.
Yes, it is suitable for container water gardens as long as the container holds water or the soil remains consistently moist.
Ensure the plant is in shallow water (0-10cm deep) or consistently damp soil. Check that it is receiving adequate sunlight (full sun to partial shade) and that the water is not too cold or stagnant.
This can indicate too deep water, lack of light, or poor water quality. Try moving the plant to a shallower location or an area with more sunlight. Ensure water circulation if possible.
Use aquatic plant barriers or regularly trim back the creeping stems to keep the plant within its desired area. Remove excess plant material from the pond.
Setup:
Marsilea quadrifolia is typically sold as bareroot or in small pots. For bareroots, gently rinse off any packing material and plant directly into pond substrate or damp soil. For potted plants, you can place the entire pot in shallow water, or remove it and plant the root ball into the substrate. Ensure the plant is positioned where its leaves can float on or emerge from the water surface, or where it can root in consistently moist soil.
Compatibility:
This plant is compatible with most pond fish and other marginal aquatic plants. It thrives in full sun to partial shade. Avoid planting in areas with strong currents or very deep water. It is well-suited for environments with a pH range typical of natural ponds and tap water.
Care:
