Marsh Pennywort (Hydrocotyle vulgaris)
Hydrocotyle vulgaris
About this plant
Hydrocotyle vulgaris, commonly called Marsh Pennywort, is a low-growing plant with round, scalloped leaves that resemble small coins. It often grows in wet or marshy areas and spreads across the ground, making it useful as ground cover. It has small, inconspicuous flowers and is appreciated for its lush green foliage.
Taxonomy
Higher classification: Apiales
Origin & Distribution
- Native region
- Europe, Asia
- Distribution
- Native to Europe and parts of Asia; commonly found in wetlands, marshes, and damp meadows. It is also cultivated in gardens and aquariums worldwide.
Care
- Suitable locations
- Outdoor, Indoor, Balcony, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing
- USDA hardiness zones
- 5-9
- Soil pH
- 5.5-7.0 (slightly acidic to neutral)
- Soil type
- moist, well-draining soil rich in organic matter
Watering. Keep soil consistently moist but not waterlogged. Water more frequently during hot, dry weather and reduce watering in cooler months.
Fertilizing. Feed with a balanced, water-soluble fertilizer once a month during the growing season (spring to early autumn). Avoid over-fertilizing, which can cause excessive leaf growth and weak stems.
Hydrocotyle vulgaris is a hardy and easy-to-grow plant that prefers moist, shady areas but can tolerate some sun. It does well in damp soil and does not require much maintenance. Overwatering or very dry conditions can cause problems, but generally it is low-maintenance.
Propagation
- Propagation methods
- Division, Cuttings, Seeds
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Attractive round, scalloped green leaves that form a dense mat; small greenish-white flowers in summer.
Toxicity & Safety
Non-toxic to humans and pets; safe to have around children and animals.
Allergy information
Hydrocotyle vulgaris is generally not known to cause allergies. People sensitive to plant pollen or sap are unlikely to have reactions from this plant. To be safe, avoid direct skin contact if you have sensitive skin.
Common problems
If the soil is too dry, the leaves may wilt or turn brown. Too much direct sunlight can cause leaf scorch. Overwatering in poorly drained soil can lead to root rot.
Uses
Used as ground cover in gardens, in wetland restoration, and as an aquarium plant. Its lush foliage adds greenery to shaded areas.
Notes
Prune regularly to control spreading and maintain shape. Repot or divide every 2-3 years to keep the plant healthy. Avoid placing in full sun to prevent leaf burn.