Four-Leaf Clover
Oxalis tetraphylla
About this plant
Oxalis tetraphylla, commonly called Four-Leaf Clover or Lucky Clover, is a small plant known for its distinctive four-leaf clusters that resemble clover leaves. It is often grown as an ornamental plant for its attractive foliage and small pink or white flowers. The plant is popular around St. Patrick's Day due to its lucky leaf shape and is sometimes used as a decorative houseplant or in gardens.
Taxonomy
- Genus
- Oxalis
- Family
- Oxalidaceae
- Higher classification
- Order: Oxalidales
- Plant type
- Perennial
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Mexico, Central America
- Distribution
- Widely cultivated worldwide as an ornamental plant, originally native to Mexico and Central America.
Care
- Light preference
- Partial sun
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- 5 °C
- Maximum
- 30 °C
- Optimal
- 15-25 °C
- USDA hardiness zones
- 7-10
- Soil pH
- 6.0-7.0 (slightly acidic to neutral)
- Soil type
- well-draining potting mix
Watering. Water moderately, allowing the top inch of soil to dry out between waterings. Avoid letting the plant sit in water to prevent root rot.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season (spring and summer). Avoid over-fertilizing to prevent weak growth.
Oxalis tetraphylla is an easy-to-grow plant that prefers bright light but can tolerate some shade. It needs moderate watering and well-draining soil. It grows quickly and is generally low-maintenance, making it suitable for beginners.
Propagation
- Propagation methods
- Division, Seeds
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Distinctive four-leaf clusters with green and purple markings, small pink or white flowers, compact form.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Low spread
The plant contains oxalates which can be mildly toxic if ingested in large amounts. Keep away from pets and children to avoid accidental ingestion.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- None
Oxalis tetraphylla may cause mild skin irritation in some people who are sensitive to its sap. It does not produce airborne pollen that typically triggers allergies. To reduce any risk, avoid direct contact with the sap and wash hands after handling the plant.
Common problems
Overwatering can cause root rot, and too little light may lead to leggy growth. Occasionally, pests like aphids or spider mites may appear.
Uses
Primarily grown as an ornamental plant for its attractive foliage and flowers. It is also popular as a decorative houseplant and in garden borders.
Notes
Prune dead or yellowing leaves to keep the plant healthy. It can be propagated easily by dividing bulbs or tubers. Avoid waterlogging the soil to prevent rot.