Large-leaved Oxalis
Oxalis megalorrhiza
megalorrhiza
About this plant
Oxalis megalorrhiza is a perennial plant known for its large, attractive leaves and delicate flowers. It is often grown as an ornamental plant in gardens and containers. The plant has a clover-like appearance and can add a lush, green touch to indoor or outdoor spaces.
Taxonomy
- Genus
- Oxalis
- Family
- Oxalidaceae
- Higher classification
- Order: Oxalidales
- Plant type
- Perennial
- Lifespan
- Perennial
Origin & Distribution
- Native region
- South America
- Distribution
- Native to parts of South America, it is cultivated in various regions worldwide as an ornamental plant.
Care
- Light preference
- Bright indirect
- 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
- 10 °C
- Maximum
- 30 °C
- Optimal
- 15–25 °C
- USDA hardiness zones
- 9–11
- Soil pH
- 5.5–6.5
- Soil type
- well-draining loam or potting mix
Watering. Water when the top inch of soil feels dry. Avoid overwatering to prevent root rot.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season to support healthy growth.
Oxalis megalorrhiza is a hardy plant that prefers bright, indirect light and well-draining soil. It tolerates some drought but grows best with moderate watering. It is low-maintenance and suitable for beginners.
Propagation
- Propagation methods
- Division, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Large, clover-like leaves and small, delicate flowers that bloom in spring and summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Generally non-toxic but avoid ingestion. Keep away from pets and children to prevent accidental eating.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Oxalis megalorrhiza may cause mild skin irritation in sensitive individuals due to its sap. People with plant allergies should handle it with care and avoid direct contact with the sap. Symptoms can include redness or itching. Wearing gloves when handling the plant can help reduce exposure.
Common problems
Overwatering can cause root rot, and poor drainage may lead to fungal issues. Too little light can cause leggy growth.
Uses
Primarily grown as an ornamental plant for its attractive foliage and flowers, suitable for containers and garden beds.
Notes
Prune dead or yellowing leaves to encourage new growth. Repot every 2-3 years to refresh soil and provide space for tubers.