Oxalis Triangularis Purple Shamrock Mijke 12cm pot

Oxalis Triangularis Care Guide: The False Shamrock Plant

Oxalis triangularis, commonly known as the false shamrock, is a perennial plant from the Oxalidaceae family. This easy-to-care-for houseplant is known for its striking deep burgundy leaves and delicate small flowers.

Light and Watering Requirements

The leaves of the false shamrock open during the day and close at night. After experiencing travel stress, the plant may take a few hours to start responding to light again. To help it thrive, place the plant in a bright location and water it when the top layer of soil feels dry.

Dormancy Care

Oxalis triangularis enters a dormant phase once a year, typically during winter. During this time, the leaves will stop growing and may not open. Allow all the leaves to die back and then remove any dead foliage. During dormancy, keep the plant in a cooler, darker location and water it lightly every few weeks. After approximately three months, move the plant back to a bright, warm spot to encourage new growth.

Pet Safety

Please note that the Oxalis triangularis is toxic to pets. Keep it out of reach of cats, dogs, and other animals to ensure their safety.

Troubleshooting Common Issues

1. Wilting or Drooping Leaves: This could indicate overwatering or underwatering. Check the soil moisture and adjust your watering schedule. Water when the top of the soil is dry, but ensure the plant is not sitting in waterlogged soil.
2. Yellowing Leaves: Yellow leaves can be a sign of too much direct sunlight or overwatering. Move the plant to a location with bright, indirect light and check your watering routine.
3. Leaves Not Opening During the Day: This is often due to insufficient light. Make sure the plant is placed in a bright location where it can receive plenty of indirect sunlight.
4. No New Growth During the Growing Season: If your Oxalis triangularis isn’t producing new leaves, it may still be in its dormant phase. Ensure you are following the dormancy care instructions and wait for it to naturally come out of dormancy.
5. Brown Leaf Tips: Brown tips are commonly caused by low humidity or inconsistent watering. Increase humidity around the plant, perhaps by misting it regularly, and maintain a consistent watering schedule.
6. Pests: Look out for common pests such as aphids or spider mites. Treat infestations with insecticidal soap or neem oil and keep the plant clean and healthy.