Oxalis Triangularis

The exquisite Oxalis Triangularis is a botanical wonder that has captured the hearts of plant enthusiasts worldwide. With its stunning purple butterfly-like leaves and delicate white flowers, this mesmerising plant possesses an undeniable allure. 

A delicate purple bell-shaped flower surrounded by deep purple triangular-shaped leaves.

General Care  


Loves bright, indirect light. Place it near a north or east-facing window where it can receive moderate sunlight. 


Strike a balance between moist and well-drained soil. It appreciates slightly moist conditions, but overwatering can lead to root rot. Allow the top inch of the soil to dry out before watering again. During the growing season, typically spring and summer, water more frequently.


Originating from the lush forests of Brazil, Oxalis Triangularis thrives in humid environments. To mimic its preferred conditions, consider using a humidifier or placing a tray filled with water and pebbles near the plant. 


For optimal growth, provide your plant with well-draining soil that retains moisture without becoming waterlogged. A high-quality potting mix formulated for indoor plants is ideal. 

Oxalis Triangularis plant in a pot.

Fascinating facts: 

  1. At night or in low light conditions, the leaves of this plant fold downwards, resembling a group of resting butterflies. This captivating response is an evolutionary adaptation to conserve moisture and protect the delicate foliage.
  2. The leaves of Oxalis Triangularis showcase an intriguing phototropic response. During the day, they actively follow the sun's movement, rotating on their stems to maximise sun exposure. 
  3. In addition to its aesthetic appeal, this stunning plant's leaves have a delightful tangy flavour, earning it the nickname "Sourgrass" or "Sorrel." They have a distinctive citrus-like taste, making them an exciting addition to salads, garnishes, or refreshing herbal teas. 

You may also enjoy our guide to Polka Dot Begonia

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